{"id":14464,"date":"2025-07-02T16:05:33","date_gmt":"2025-07-02T08:05:33","guid":{"rendered":"https:\/\/www.lneya.com\/?p=14464"},"modified":"2025-12-03T16:27:45","modified_gmt":"2025-12-03T08:27:45","slug":"why-do-batteries-need-freezing-tests","status":"publish","type":"post","link":"https:\/\/tw.lneya.com\/pt\/blog\/why-do-batteries-need-freezing-tests.html","title":{"rendered":"Porque \u00e9 que as pilhas necessitam de testes de congela\u00e7\u00e3o"},"content":{"rendered":"<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_db9cd3-6d, .wp-block-kadence-advancedheading.kt-adv-heading14464_db9cd3-6d[data-kb-block=\"kb-adv-heading14464_db9cd3-6d\"]{text-align:center;font-size:36px;font-style:normal;font-family:Arial, Helvetica, sans-serif;letter-spacing:0.2px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_db9cd3-6d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_db9cd3-6d[data-kb-block=\"kb-adv-heading14464_db9cd3-6d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_db9cd3-6d img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_db9cd3-6d[data-kb-block=\"kb-adv-heading14464_db9cd3-6d\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h1 class=\"kt-adv-heading14464_db9cd3-6d wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_db9cd3-6d\">Why Do Batteries Need Freezing Tests<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_54eb85-03, .wp-block-kadence-advancedheading.kt-adv-heading14464_54eb85-03[data-kb-block=\"kb-adv-heading14464_54eb85-03\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_54eb85-03 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_54eb85-03[data-kb-block=\"kb-adv-heading14464_54eb85-03\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_54eb85-03 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_54eb85-03[data-kb-block=\"kb-adv-heading14464_54eb85-03\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_54eb85-03 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_54eb85-03\">Have you noticed the growing number of electric vehicles on the road?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_44a719-0d, .wp-block-kadence-advancedheading.kt-adv-heading14464_44a719-0d[data-kb-block=\"kb-adv-heading14464_44a719-0d\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_44a719-0d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_44a719-0d[data-kb-block=\"kb-adv-heading14464_44a719-0d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_44a719-0d img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_44a719-0d[data-kb-block=\"kb-adv-heading14464_44a719-0d\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_44a719-0d wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_44a719-0d\">With the development of new energy technology and the improvement of environmental awareness, battery-powered vehicles are now a common sight in daily life.Have you ever wondered why electric vehicles charge more slowly and discharge more quickly in winter? Does this affect the life of the battery? Why do some electric vehicles also have stable performance in an environment of -20\u2103?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_6bbb74-99, .wp-block-kadence-advancedheading.kt-adv-heading14464_6bbb74-99[data-kb-block=\"kb-adv-heading14464_6bbb74-99\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_6bbb74-99 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_6bbb74-99[data-kb-block=\"kb-adv-heading14464_6bbb74-99\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_6bbb74-99 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_6bbb74-99[data-kb-block=\"kb-adv-heading14464_6bbb74-99\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_6bbb74-99 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_6bbb74-99\">This is closely related to a key step in R&amp;D: the battery low-temperature test. What is the battery low temperature test? Why do you do this? What happens when the battery is frozen? How is the freezing test conducted? This article reveals the mystery of battery testing for you.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_7f9b22-58, .wp-block-kadence-advancedheading.kt-adv-heading14464_7f9b22-58[data-kb-block=\"kb-adv-heading14464_7f9b22-58\"]{font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_7f9b22-58 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_7f9b22-58[data-kb-block=\"kb-adv-heading14464_7f9b22-58\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_7f9b22-58 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_7f9b22-58[data-kb-block=\"kb-adv-heading14464_7f9b22-58\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14464_7f9b22-58 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_7f9b22-58\"><strong>Why freeze the battery?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_d9ecfa-61, .wp-block-kadence-advancedheading.kt-adv-heading14464_d9ecfa-61[data-kb-block=\"kb-adv-heading14464_d9ecfa-61\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_d9ecfa-61 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_d9ecfa-61[data-kb-block=\"kb-adv-heading14464_d9ecfa-61\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_d9ecfa-61 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_d9ecfa-61[data-kb-block=\"kb-adv-heading14464_d9ecfa-61\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_d9ecfa-61 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_d9ecfa-61\">The battery freezing test is to simulate the low temperature environment that may be encountered in actual use. In North America, Northern Europe, Russia and other places, the temperature in winter is very low, which can make it difficult for electric vehicles to start. In cold chain transportation equipment and some polar exploration equipment, the battery system may malfunction or even short-circuit due to low temperatures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_ea77d8-a1, .wp-block-kadence-advancedheading.kt-adv-heading14464_ea77d8-a1[data-kb-block=\"kb-adv-heading14464_ea77d8-a1\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_ea77d8-a1 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_ea77d8-a1[data-kb-block=\"kb-adv-heading14464_ea77d8-a1\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_ea77d8-a1 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_ea77d8-a1[data-kb-block=\"kb-adv-heading14464_ea77d8-a1\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_ea77d8-a1 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_ea77d8-a1\">In order to prevent these problems from occurring during use, R&amp;D personnel must understand their performance at low temperatures in advance. Evaluate the cold resistance of materials, the service life of batteries, internal chemical reactions and low temperature critical values.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"440\" src=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/BATETTERY-CHAMBER.jpg\" alt=\"\" class=\"wp-image-7000\" srcset=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/BATETTERY-CHAMBER.jpg 960w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/BATETTERY-CHAMBER-300x138.jpg 300w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/BATETTERY-CHAMBER-768x352.jpg 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_1ec425-40, .wp-block-kadence-advancedheading.kt-adv-heading14464_1ec425-40[data-kb-block=\"kb-adv-heading14464_1ec425-40\"]{font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_1ec425-40 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_1ec425-40[data-kb-block=\"kb-adv-heading14464_1ec425-40\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_1ec425-40 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_1ec425-40[data-kb-block=\"kb-adv-heading14464_1ec425-40\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14464_1ec425-40 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_1ec425-40\"><strong>What happens when the battery is frozen?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_6e7166-6f, .wp-block-kadence-advancedheading.kt-adv-heading14464_6e7166-6f[data-kb-block=\"kb-adv-heading14464_6e7166-6f\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_6e7166-6f mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_6e7166-6f[data-kb-block=\"kb-adv-heading14464_6e7166-6f\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_6e7166-6f img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_6e7166-6f[data-kb-block=\"kb-adv-heading14464_6e7166-6f\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_6e7166-6f wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_6e7166-6f\">How does a battery behave in low-temperature environments? Here are the main effects:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_abcd4c-0c, .wp-block-kadence-advancedheading.kt-adv-heading14464_abcd4c-0c[data-kb-block=\"kb-adv-heading14464_abcd4c-0c\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_abcd4c-0c mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_abcd4c-0c[data-kb-block=\"kb-adv-heading14464_abcd4c-0c\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_abcd4c-0c img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_abcd4c-0c[data-kb-block=\"kb-adv-heading14464_abcd4c-0c\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_abcd4c-0c wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_abcd4c-0c\"><strong>Slow charging<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_c24d73-38, .wp-block-kadence-advancedheading.kt-adv-heading14464_c24d73-38[data-kb-block=\"kb-adv-heading14464_c24d73-38\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_c24d73-38 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_c24d73-38[data-kb-block=\"kb-adv-heading14464_c24d73-38\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_c24d73-38 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_c24d73-38[data-kb-block=\"kb-adv-heading14464_c24d73-38\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_c24d73-38 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_c24d73-38\">When charging an electric car in winter, it takes a long time to fully charge, because the low temperature affects the charging speed of the battery. At low temperatures, the viscosity of the electrolyte increases, the resistance to the movement of lithium ions in the electrolyte increases, and the charging efficiency of the battery decreases. If charging continues in a low temperature environment, lithium metal deposition may occur, which in turn damages the battery and even causes thermal runaway.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_254b08-8b, .wp-block-kadence-advancedheading.kt-adv-heading14464_254b08-8b[data-kb-block=\"kb-adv-heading14464_254b08-8b\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_254b08-8b mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_254b08-8b[data-kb-block=\"kb-adv-heading14464_254b08-8b\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_254b08-8b img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_254b08-8b[data-kb-block=\"kb-adv-heading14464_254b08-8b\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_254b08-8b wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_254b08-8b\"><strong>Accelerated discharge<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_97026f-65, .wp-block-kadence-advancedheading.kt-adv-heading14464_97026f-65[data-kb-block=\"kb-adv-heading14464_97026f-65\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_97026f-65 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_97026f-65[data-kb-block=\"kb-adv-heading14464_97026f-65\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_97026f-65 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_97026f-65[data-kb-block=\"kb-adv-heading14464_97026f-65\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_97026f-65 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_97026f-65\">Perhaps you have discovered that the battery power drops a lot after driving an electric car for a short distance in winter. The reason why the battery can supply power is that a chemical reaction occurs inside, converting chemical energy into electrical energy. After the battery is connected to the external circuit, lithium ions will move out from the negative electrode and reach the positive electrode through the external circuit, thus forming a current. At low temperatures, the migration of lithium ions will be hindered, the internal resistance of the battery will increase, the voltage will become lower during discharge, and the available power will be reduced.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_a6bdea-d6, .wp-block-kadence-advancedheading.kt-adv-heading14464_a6bdea-d6[data-kb-block=\"kb-adv-heading14464_a6bdea-d6\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_a6bdea-d6 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_a6bdea-d6[data-kb-block=\"kb-adv-heading14464_a6bdea-d6\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_a6bdea-d6 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_a6bdea-d6[data-kb-block=\"kb-adv-heading14464_a6bdea-d6\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_a6bdea-d6 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_a6bdea-d6\"><strong>Safety hazards<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_fd75dd-54, .wp-block-kadence-advancedheading.kt-adv-heading14464_fd75dd-54[data-kb-block=\"kb-adv-heading14464_fd75dd-54\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_fd75dd-54 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_fd75dd-54[data-kb-block=\"kb-adv-heading14464_fd75dd-54\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_fd75dd-54 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_fd75dd-54[data-kb-block=\"kb-adv-heading14464_fd75dd-54\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_fd75dd-54 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_fd75dd-54\">At extremely low temperatures, the electrolyte may crystallize or partially precipitate lithium, or even structural damage may occur, such as bulging, leakage, short circuit, etc. Encountering these problems in a moving car will greatly endanger the life safety of the driver and passengers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_b5c444-38, .wp-block-kadence-advancedheading.kt-adv-heading14464_b5c444-38[data-kb-block=\"kb-adv-heading14464_b5c444-38\"]{font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b5c444-38 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_b5c444-38[data-kb-block=\"kb-adv-heading14464_b5c444-38\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b5c444-38 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_b5c444-38[data-kb-block=\"kb-adv-heading14464_b5c444-38\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14464_b5c444-38 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_b5c444-38\"><strong>Battery performance at different low temperatures<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_d4da77-c9, .wp-block-kadence-advancedheading.kt-adv-heading14464_d4da77-c9[data-kb-block=\"kb-adv-heading14464_d4da77-c9\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_d4da77-c9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_d4da77-c9[data-kb-block=\"kb-adv-heading14464_d4da77-c9\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_d4da77-c9 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_d4da77-c9[data-kb-block=\"kb-adv-heading14464_d4da77-c9\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_d4da77-c9 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_d4da77-c9\">Batteries have different performance in different low temperature ranges. Testing in different temperature zones can help R&amp;D personnel optimize battery formulas and evaluate the stability of battery cell packaging.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Temperature Range<\/td><td>Battery Performance<\/td><\/tr><tr><td>0\u2103 ~ -10\u2103<\/td><td>Slight performance drop, still operational<\/td><\/tr><tr><td>-10\u2103 ~ -20\u2103<\/td><td>Noticeable capacity loss, insufficient starting voltage, shorter discharge time<\/td><\/tr><tr><td>-20\u2103 ~ -40\u2103<\/td><td>Most lithium batteries cannot function properly; requires special low-temperature batteries<\/td><\/tr><tr><td>-40\u2103 ~ -80\u2103<\/td><td>Extreme test range for aerospace, military, and other harsh environment applications<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_744afb-ae, .wp-block-kadence-advancedheading.kt-adv-heading14464_744afb-ae[data-kb-block=\"kb-adv-heading14464_744afb-ae\"]{font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_744afb-ae mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_744afb-ae[data-kb-block=\"kb-adv-heading14464_744afb-ae\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_744afb-ae img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_744afb-ae[data-kb-block=\"kb-adv-heading14464_744afb-ae\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14464_744afb-ae wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_744afb-ae\"><strong>Battery freezing test standards<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_f92de7-52, .wp-block-kadence-advancedheading.kt-adv-heading14464_f92de7-52[data-kb-block=\"kb-adv-heading14464_f92de7-52\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_f92de7-52 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_f92de7-52[data-kb-block=\"kb-adv-heading14464_f92de7-52\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_f92de7-52 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_f92de7-52[data-kb-block=\"kb-adv-heading14464_f92de7-52\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_f92de7-52 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_f92de7-52\">In order to verify the reliability of batteries and facilitate comparison and certification, many countries and regions have issued battery freezing test standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_b0ff65-4e, .wp-block-kadence-advancedheading.kt-adv-heading14464_b0ff65-4e[data-kb-block=\"kb-adv-heading14464_b0ff65-4e\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b0ff65-4e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_b0ff65-4e[data-kb-block=\"kb-adv-heading14464_b0ff65-4e\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b0ff65-4e img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_b0ff65-4e[data-kb-block=\"kb-adv-heading14464_b0ff65-4e\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_b0ff65-4e wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_b0ff65-4e\"><strong>IEC 62660<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_98b3d4-60, .wp-block-kadence-advancedheading.kt-adv-heading14464_98b3d4-60[data-kb-block=\"kb-adv-heading14464_98b3d4-60\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_98b3d4-60 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_98b3d4-60[data-kb-block=\"kb-adv-heading14464_98b3d4-60\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_98b3d4-60 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_98b3d4-60[data-kb-block=\"kb-adv-heading14464_98b3d4-60\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_98b3d4-60 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_98b3d4-60\">The International Electrotechnical Commission issued the IEC 62660 standard in 2010, which applies to all lithium-ion cells used in electric vehicle power systems. It stipulates that battery capacity testing, voltage retention testing and cycle life testing should be carried out at -20\u00b0C. The test environment, test methods and qualification standards of batteries are stipulated.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_bf3a44-7d, .wp-block-kadence-advancedheading.kt-adv-heading14464_bf3a44-7d[data-kb-block=\"kb-adv-heading14464_bf3a44-7d\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_bf3a44-7d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_bf3a44-7d[data-kb-block=\"kb-adv-heading14464_bf3a44-7d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_bf3a44-7d img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_bf3a44-7d[data-kb-block=\"kb-adv-heading14464_bf3a44-7d\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_bf3a44-7d wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_bf3a44-7d\"><strong>UN 38.3<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_640c3a-cb, .wp-block-kadence-advancedheading.kt-adv-heading14464_640c3a-cb[data-kb-block=\"kb-adv-heading14464_640c3a-cb\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_640c3a-cb mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_640c3a-cb[data-kb-block=\"kb-adv-heading14464_640c3a-cb\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_640c3a-cb img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_640c3a-cb[data-kb-block=\"kb-adv-heading14464_640c3a-cb\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_640c3a-cb wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_640c3a-cb\">The United Nations Economic Commission issued UN 38.3 in 1999, and this standard is continuously updated. It applies to all lithium batteries and finished battery packs used for international transportation, including electric vehicles, mobile phones, power tools, etc. The battery must be stored at -40\u00b0C\u00b12\u00b0C for 6 hours, followed by +75\u00b0C\u00b12\u00b0C for another 6 hours, repeating the cycle 10 times over 5 days. During the test, the battery does not leak, swell, catch fire, explode, and meet the rated voltage requirements to be qualified.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_c2bea3-c3, .wp-block-kadence-advancedheading.kt-adv-heading14464_c2bea3-c3[data-kb-block=\"kb-adv-heading14464_c2bea3-c3\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_c2bea3-c3 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_c2bea3-c3[data-kb-block=\"kb-adv-heading14464_c2bea3-c3\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_c2bea3-c3 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_c2bea3-c3[data-kb-block=\"kb-adv-heading14464_c2bea3-c3\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_c2bea3-c3 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_c2bea3-c3\"><strong>SAE J2929<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_a40525-28, .wp-block-kadence-advancedheading.kt-adv-heading14464_a40525-28[data-kb-block=\"kb-adv-heading14464_a40525-28\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_a40525-28 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_a40525-28[data-kb-block=\"kb-adv-heading14464_a40525-28\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_a40525-28 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_a40525-28[data-kb-block=\"kb-adv-heading14464_a40525-28\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_a40525-28 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_a40525-28\">The Society of Automotive Engineers (SAE) released SAE J2929 in 2008 and revised it in 2020. This standard applies to battery systems of electric and hybrid vehicles sold in the United States. It requires environmental simulation of the entire battery system, including low-temperature operation, low-temperature charging, and low-temperature failure modes. It is recommended that the test temperature be controlled at -30\u00b0C to simulate the North American winter temperature.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_2b89cf-ae, .wp-block-kadence-advancedheading.kt-adv-heading14464_2b89cf-ae[data-kb-block=\"kb-adv-heading14464_2b89cf-ae\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_2b89cf-ae mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_2b89cf-ae[data-kb-block=\"kb-adv-heading14464_2b89cf-ae\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_2b89cf-ae img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_2b89cf-ae[data-kb-block=\"kb-adv-heading14464_2b89cf-ae\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_2b89cf-ae wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_2b89cf-ae\"><strong>NASA-STD-4009<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_46140e-8e, .wp-block-kadence-advancedheading.kt-adv-heading14464_46140e-8e[data-kb-block=\"kb-adv-heading14464_46140e-8e\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_46140e-8e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_46140e-8e[data-kb-block=\"kb-adv-heading14464_46140e-8e\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_46140e-8e img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_46140e-8e[data-kb-block=\"kb-adv-heading14464_46140e-8e\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_46140e-8e wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_46140e-8e\">The National Aeronautics and Space Administration (NASA) revised NASA-STD-4009 in 2021. This standard applies to battery systems for spacecraft, satellites, and deep space exploration equipment. It is required to test at -60\u00b0C or even lower to evaluate the air tightness, thermal control capability, and electrochemical stability of the battery system at extremely low temperatures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_b2b2a5-22, .wp-block-kadence-advancedheading.kt-adv-heading14464_b2b2a5-22[data-kb-block=\"kb-adv-heading14464_b2b2a5-22\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b2b2a5-22 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_b2b2a5-22[data-kb-block=\"kb-adv-heading14464_b2b2a5-22\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b2b2a5-22 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_b2b2a5-22[data-kb-block=\"kb-adv-heading14464_b2b2a5-22\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_b2b2a5-22 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_b2b2a5-22\"><strong>GB\/T 31467<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_d75bb4-9a, .wp-block-kadence-advancedheading.kt-adv-heading14464_d75bb4-9a[data-kb-block=\"kb-adv-heading14464_d75bb4-9a\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_d75bb4-9a mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_d75bb4-9a[data-kb-block=\"kb-adv-heading14464_d75bb4-9a\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_d75bb4-9a img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_d75bb4-9a[data-kb-block=\"kb-adv-heading14464_d75bb4-9a\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_d75bb4-9a wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_d75bb4-9a\">The State Administration for Market Regulation of China released GB\/T 31467 in 2015. It applies to lithium-ion power battery systems for electric vehicles. The battery is required to undergo capacity, power, and charge and discharge performance tests at -20\u00b0C, and the test method and temperature control box error (\u00b12\u00b0C) are specified.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Standard Name<\/td><td>Country\/Organization<\/td><td>Temperature Requirement<\/td><td>Main Application<\/td><td>Release Year<\/td><\/tr><tr><td>IEC 62660<\/td><td>International \/ IEC<\/td><td>-20\u2103<\/td><td>Performance and safety testing of EV single cells<\/td><td>Since 2010<\/td><\/tr><tr><td>UN 38.3<\/td><td>United Nations \/ UNECE<\/td><td>-40\u2103 cycling<\/td><td>Transportation adaptability and safety testing of batteries<\/td><td>Since 1999<\/td><\/tr><tr><td>GB\/T 31467<\/td><td>China<\/td><td>-20\u2103<\/td><td>Performance and safety testing of EV battery packs<\/td><td>Since 2015<\/td><\/tr><tr><td>SAE J2929<\/td><td>USA \/ SAE<\/td><td>-30\u2103<\/td><td>Safety and performance of battery pack systems<\/td><td>Since 2008<\/td><\/tr><tr><td>NASA-STD-4009<\/td><td>USA \/ NASA<\/td><td>-60\u2103 and below<\/td><td>Special battery testing for aerospace applications<\/td><td>2021 Edition<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_ae33f0-c8, .wp-block-kadence-advancedheading.kt-adv-heading14464_ae33f0-c8[data-kb-block=\"kb-adv-heading14464_ae33f0-c8\"]{font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_ae33f0-c8 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_ae33f0-c8[data-kb-block=\"kb-adv-heading14464_ae33f0-c8\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_ae33f0-c8 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_ae33f0-c8[data-kb-block=\"kb-adv-heading14464_ae33f0-c8\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14464_ae33f0-c8 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_ae33f0-c8\"><strong>How is the battery freezing test conducted?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_0fb5e3-48, .wp-block-kadence-advancedheading.kt-adv-heading14464_0fb5e3-48[data-kb-block=\"kb-adv-heading14464_0fb5e3-48\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_0fb5e3-48 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_0fb5e3-48[data-kb-block=\"kb-adv-heading14464_0fb5e3-48\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_0fb5e3-48 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_0fb5e3-48[data-kb-block=\"kb-adv-heading14464_0fb5e3-48\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_0fb5e3-48 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_0fb5e3-48\">The following are the basic procedures and precautions for battery freezing testing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_33c865-4b, .wp-block-kadence-advancedheading.kt-adv-heading14464_33c865-4b[data-kb-block=\"kb-adv-heading14464_33c865-4b\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_33c865-4b mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_33c865-4b[data-kb-block=\"kb-adv-heading14464_33c865-4b\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_33c865-4b img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_33c865-4b[data-kb-block=\"kb-adv-heading14464_33c865-4b\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_33c865-4b wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_33c865-4b\"><strong>Prepare samples<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_a984b1-5e, .wp-block-kadence-advancedheading.kt-adv-heading14464_a984b1-5e[data-kb-block=\"kb-adv-heading14464_a984b1-5e\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_a984b1-5e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_a984b1-5e[data-kb-block=\"kb-adv-heading14464_a984b1-5e\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_a984b1-5e img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_a984b1-5e[data-kb-block=\"kb-adv-heading14464_a984b1-5e\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_a984b1-5e wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_a984b1-5e\">It is necessary to select representative cells and battery packs, and inspect the samples carefully to ensure that they are free from obvious defects, such as bulging and leakage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_0dcc77-99, .wp-block-kadence-advancedheading.kt-adv-heading14464_0dcc77-99[data-kb-block=\"kb-adv-heading14464_0dcc77-99\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_0dcc77-99 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_0dcc77-99[data-kb-block=\"kb-adv-heading14464_0dcc77-99\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_0dcc77-99 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_0dcc77-99[data-kb-block=\"kb-adv-heading14464_0dcc77-99\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_0dcc77-99 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_0dcc77-99\"><strong>Record the initial state<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_90cce8-30, .wp-block-kadence-advancedheading.kt-adv-heading14464_90cce8-30[data-kb-block=\"kb-adv-heading14464_90cce8-30\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_90cce8-30 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_90cce8-30[data-kb-block=\"kb-adv-heading14464_90cce8-30\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_90cce8-30 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_90cce8-30[data-kb-block=\"kb-adv-heading14464_90cce8-30\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_90cce8-30 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_90cce8-30\">For the convenience of comparison, record the initial voltage, resistance, state of charge and other data of the battery. If you want to perform a cycle test, you also need to record the data of the last test.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_ffe614-99, .wp-block-kadence-advancedheading.kt-adv-heading14464_ffe614-99[data-kb-block=\"kb-adv-heading14464_ffe614-99\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_ffe614-99 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_ffe614-99[data-kb-block=\"kb-adv-heading14464_ffe614-99\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_ffe614-99 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_ffe614-99[data-kb-block=\"kb-adv-heading14464_ffe614-99\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_ffe614-99 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_ffe614-99\"><strong>Set a low temperature environment<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_a1eb97-0c, .wp-block-kadence-advancedheading.kt-adv-heading14464_a1eb97-0c[data-kb-block=\"kb-adv-heading14464_a1eb97-0c\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_a1eb97-0c mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_a1eb97-0c[data-kb-block=\"kb-adv-heading14464_a1eb97-0c\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_a1eb97-0c img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_a1eb97-0c[data-kb-block=\"kb-adv-heading14464_a1eb97-0c\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_a1eb97-0c wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_a1eb97-0c\">According to the corresponding test standards, set the target temperature on the touch screen of the battery test box, which is generally -20 and -40\u2103. If it is a battery used for aviation, it needs to be set to about -70\u2103. To avoid thermal shock, you need to set a reasonable cooling rate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_443310-71, .wp-block-kadence-advancedheading.kt-adv-heading14464_443310-71[data-kb-block=\"kb-adv-heading14464_443310-71\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_443310-71 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_443310-71[data-kb-block=\"kb-adv-heading14464_443310-71\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_443310-71 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_443310-71[data-kb-block=\"kb-adv-heading14464_443310-71\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_443310-71 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_443310-71\"><strong>Slow cooling<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_770274-38, .wp-block-kadence-advancedheading.kt-adv-heading14464_770274-38[data-kb-block=\"kb-adv-heading14464_770274-38\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_770274-38 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_770274-38[data-kb-block=\"kb-adv-heading14464_770274-38\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_770274-38 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_770274-38[data-kb-block=\"kb-adv-heading14464_770274-38\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_770274-38 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_770274-38\">Place the battery in the test box and close the door, ensuring even thermal conduction through the sample holder. &nbsp;Wait for the temperature in the environmental test box to drop to the target temperature. Avoid frequent opening and closing of the box door during this process.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_051471-6d, .wp-block-kadence-advancedheading.kt-adv-heading14464_051471-6d[data-kb-block=\"kb-adv-heading14464_051471-6d\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_051471-6d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_051471-6d[data-kb-block=\"kb-adv-heading14464_051471-6d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_051471-6d img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_051471-6d[data-kb-block=\"kb-adv-heading14464_051471-6d\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_051471-6d wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_051471-6d\"><strong>Maintain constant temperature<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_b9b541-01, .wp-block-kadence-advancedheading.kt-adv-heading14464_b9b541-01[data-kb-block=\"kb-adv-heading14464_b9b541-01\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b9b541-01 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_b9b541-01[data-kb-block=\"kb-adv-heading14464_b9b541-01\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b9b541-01 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_b9b541-01[data-kb-block=\"kb-adv-heading14464_b9b541-01\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_b9b541-01 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_b9b541-01\">After reaching the target temperature, the sample needs to be placed in a constant temperature environment for at least 6 hours according to the requirements of the standard. During this period, the temperature fluctuation curve needs to be recorded to keep the temperature uniformity within \u00b12\u2103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_b61bc5-61, .wp-block-kadence-advancedheading.kt-adv-heading14464_b61bc5-61[data-kb-block=\"kb-adv-heading14464_b61bc5-61\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b61bc5-61 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_b61bc5-61[data-kb-block=\"kb-adv-heading14464_b61bc5-61\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b61bc5-61 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_b61bc5-61[data-kb-block=\"kb-adv-heading14464_b61bc5-61\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_b61bc5-61 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_b61bc5-61\"><strong>Testing<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_6d1a0f-de, .wp-block-kadence-advancedheading.kt-adv-heading14464_6d1a0f-de[data-kb-block=\"kb-adv-heading14464_6d1a0f-de\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_6d1a0f-de mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_6d1a0f-de[data-kb-block=\"kb-adv-heading14464_6d1a0f-de\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_6d1a0f-de img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_6d1a0f-de[data-kb-block=\"kb-adv-heading14464_6d1a0f-de\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_6d1a0f-de wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_6d1a0f-de\">Perform discharge test, charge test and cycle test under low temperature conditions. Record battery capacity, voltage, internal resistance, discharge rate and other data. Compare with parameters at room temperature.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_9d7b9e-51, .wp-block-kadence-advancedheading.kt-adv-heading14464_9d7b9e-51[data-kb-block=\"kb-adv-heading14464_9d7b9e-51\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_9d7b9e-51 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_9d7b9e-51[data-kb-block=\"kb-adv-heading14464_9d7b9e-51\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_9d7b9e-51 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_9d7b9e-51[data-kb-block=\"kb-adv-heading14464_9d7b9e-51\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_9d7b9e-51 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_9d7b9e-51\"><strong>Heating<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_15a7e6-c0, .wp-block-kadence-advancedheading.kt-adv-heading14464_15a7e6-c0[data-kb-block=\"kb-adv-heading14464_15a7e6-c0\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_15a7e6-c0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_15a7e6-c0[data-kb-block=\"kb-adv-heading14464_15a7e6-c0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_15a7e6-c0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_15a7e6-c0[data-kb-block=\"kb-adv-heading14464_15a7e6-c0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_15a7e6-c0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_15a7e6-c0\">After the test, slowly warm the battery to room temperature. It should be noted that the battery do not expose it directly to ambient room temperature, which will cause condensation or thermal stress damage. Then perform a safety check on the battery to check for bulging, leakage and other problems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_9ca9fa-1f, .wp-block-kadence-advancedheading.kt-adv-heading14464_9ca9fa-1f[data-kb-block=\"kb-adv-heading14464_9ca9fa-1f\"]{font-size:22px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_9ca9fa-1f mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_9ca9fa-1f[data-kb-block=\"kb-adv-heading14464_9ca9fa-1f\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_9ca9fa-1f img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_9ca9fa-1f[data-kb-block=\"kb-adv-heading14464_9ca9fa-1f\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h3 class=\"kt-adv-heading14464_9ca9fa-1f wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_9ca9fa-1f\"><strong>Note<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_07bce5-b6, .wp-block-kadence-advancedheading.kt-adv-heading14464_07bce5-b6[data-kb-block=\"kb-adv-heading14464_07bce5-b6\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_07bce5-b6 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_07bce5-b6[data-kb-block=\"kb-adv-heading14464_07bce5-b6\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_07bce5-b6 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_07bce5-b6[data-kb-block=\"kb-adv-heading14464_07bce5-b6\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_07bce5-b6 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_07bce5-b6\">\u2022&nbsp;Make sure that the sample battery has no obvious damage<br>\u2022&nbsp;Do not charge at extremely low temperatures<br>\u2022&nbsp;Before discharging, it is necessary to maintain a constant temperature for a long enough time to avoid uneven cooling of the battery cell<br>\u2022&nbsp;Someone must be present during the test<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_0402a1-15, .wp-block-kadence-advancedheading.kt-adv-heading14464_0402a1-15[data-kb-block=\"kb-adv-heading14464_0402a1-15\"]{font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_0402a1-15 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_0402a1-15[data-kb-block=\"kb-adv-heading14464_0402a1-15\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_0402a1-15 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_0402a1-15[data-kb-block=\"kb-adv-heading14464_0402a1-15\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14464_0402a1-15 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_0402a1-15\"><strong>Performance of different types of batteries in freezing tests<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_c095e1-3a, .wp-block-kadence-advancedheading.kt-adv-heading14464_c095e1-3a[data-kb-block=\"kb-adv-heading14464_c095e1-3a\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_c095e1-3a mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_c095e1-3a[data-kb-block=\"kb-adv-heading14464_c095e1-3a\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_c095e1-3a img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_c095e1-3a[data-kb-block=\"kb-adv-heading14464_c095e1-3a\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_c095e1-3a wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_c095e1-3a\">Different types of batteries have different performance and behave differently in low temperature environments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Battery Type<\/td><td>Low-Temperature Characteristics<\/td><\/tr><tr><td>Ternary Lithium Battery<\/td><td>High energy density but poor low-temp performance; fast capacity fade; suitable for temperate climates<\/td><\/tr><tr><td>Lithium Iron Phosphate (LFP) Battery<\/td><td>High safety, better low-temp performance; can discharge at -20\u2103, but has lower energy density<\/td><\/tr><tr><td>Solid-State Battery<\/td><td>New battery technology with good low-temp stability; commercialization is still in progress<\/td><\/tr><tr><td>Nickel-Metal Hydride (NiMH) Battery<\/td><td>Significant capacity loss at low temperatures; suitable for low-power devices<\/td><\/tr><tr><td>Sodium-Ion Battery<\/td><td>Under development; early data shows better low-temp performance than traditional lithium batteries<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_529513-17, .wp-block-kadence-advancedheading.kt-adv-heading14464_529513-17[data-kb-block=\"kb-adv-heading14464_529513-17\"]{font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_529513-17 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_529513-17[data-kb-block=\"kb-adv-heading14464_529513-17\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_529513-17 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_529513-17[data-kb-block=\"kb-adv-heading14464_529513-17\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14464_529513-17 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_529513-17\"><strong>How to choose a battery test chamber?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_b9adfe-df, .wp-block-kadence-advancedheading.kt-adv-heading14464_b9adfe-df[data-kb-block=\"kb-adv-heading14464_b9adfe-df\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b9adfe-df mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_b9adfe-df[data-kb-block=\"kb-adv-heading14464_b9adfe-df\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_b9adfe-df img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_b9adfe-df[data-kb-block=\"kb-adv-heading14464_b9adfe-df\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_b9adfe-df wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_b9adfe-df\">If you buy a battery chamber for the purpose of testing electric vehicle batteries, how should you choose? You need to consider the following factors:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Item<\/td><td>Description<\/td><\/tr><tr><td>Temperature Range<\/td><td>Recommended: -70\u2103 to +100\u2103 (covers extreme environments)<\/td><\/tr><tr><td>Temperature Control Accuracy<\/td><td>At least \u00b10.5\u2103 (depending on testing standard)<\/td><\/tr><tr><td>Temperature Uniformity<\/td><td>\u2264\u00b12\u2103 to ensure consistent data for multiple battery samples<\/td><\/tr><tr><td>Cooling Rate<\/td><td>Recommended \u22651\u2103\/min; some standards require \u22655\u2103\/min<\/td><\/tr><tr><td>Data Logging<\/td><td>Should automatically record temperature, voltage, time, and other test data<\/td><\/tr><tr><td>Compatibility<\/td><td>Supports battery testers, communication interfaces, gas monitoring modules, etc.<\/td><\/tr><tr><td>Safety System<\/td><td>Equipped with over-temp alarm, power failure protection, leakage detection, etc.<\/td><\/tr><tr><td>After-sales &amp; Customization<\/td><td>Supports customization, fast delivery, and technical consultation<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_2bcab9-2c, .wp-block-kadence-advancedheading.kt-adv-heading14464_2bcab9-2c[data-kb-block=\"kb-adv-heading14464_2bcab9-2c\"]{font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_2bcab9-2c mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_2bcab9-2c[data-kb-block=\"kb-adv-heading14464_2bcab9-2c\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_2bcab9-2c img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_2bcab9-2c[data-kb-block=\"kb-adv-heading14464_2bcab9-2c\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14464_2bcab9-2c wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_2bcab9-2c\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_9c4e8b-9a, .wp-block-kadence-advancedheading.kt-adv-heading14464_9c4e8b-9a[data-kb-block=\"kb-adv-heading14464_9c4e8b-9a\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_9c4e8b-9a mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_9c4e8b-9a[data-kb-block=\"kb-adv-heading14464_9c4e8b-9a\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_9c4e8b-9a img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_9c4e8b-9a[data-kb-block=\"kb-adv-heading14464_9c4e8b-9a\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_9c4e8b-9a wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_9c4e8b-9a\">Battery testing is necessary to ensure the safety of equipment and personnel. Generally, specially designed <a href=\"https:\/\/tw.lneya.com\/battery-test-chamber\">battery test chambers<\/a> are used to simulate real-world application environments to test the performance of batteries at different temperatures. If you are looking for a reliable battery test chamber manufacturer, LNEYA is happy to provide you with customized solutions and technical support.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_fc030d-a5, .wp-block-kadence-advancedheading.kt-adv-heading14464_fc030d-a5[data-kb-block=\"kb-adv-heading14464_fc030d-a5\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_fc030d-a5 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_fc030d-a5[data-kb-block=\"kb-adv-heading14464_fc030d-a5\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_fc030d-a5 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_fc030d-a5[data-kb-block=\"kb-adv-heading14464_fc030d-a5\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14464_fc030d-a5 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_fc030d-a5\"><a href=\"https:\/\/tw.lneya.com\/contact\">Contact LNEYA<\/a> today to explore our full range of customized battery test chambers tailored to your specific needs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14464_263a9b-0b, .wp-block-kadence-advancedheading.kt-adv-heading14464_263a9b-0b[data-kb-block=\"kb-adv-heading14464_263a9b-0b\"]{text-align:center;font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14464_263a9b-0b mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14464_263a9b-0b[data-kb-block=\"kb-adv-heading14464_263a9b-0b\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14464_263a9b-0b img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14464_263a9b-0b[data-kb-block=\"kb-adv-heading14464_263a9b-0b\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14464_263a9b-0b wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14464_263a9b-0b\"><strong>Related chillers<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedgallery.kb-gallery-wrap-id-14464_20c10f-11{overflow:hidden;}.kb-gallery-id-14464_20c10f-11 .kadence-blocks-gallery-item .kb-gal-image-radius, .kb-gallery-id-14464_20c10f-11 .kb-slide-item .kb-gal-image-radius img{border-radius:0px 0px 0px 0px;;}.kb-gallery-id-14464_20c10f-11 .kadence-blocks-gallery-item .kadence-blocks-gallery-item-inner .kadence-blocks-gallery-item__caption{font-size:20px;font-family:Arial, Helvetica, sans-serif;text-transform:capitalize;}.kb-gallery-caption-style-cover-hover.kb-gallery-id-14464_20c10f-11 .kadence-blocks-gallery-item .kadence-blocks-gallery-item-inner .kadence-blocks-gallery-item__caption, .kb-gallery-caption-style-below.kb-gallery-id-14464_20c10f-11 .kadence-blocks-gallery-item .kadence-blocks-gallery-item-inner .kadence-blocks-gallery-item__caption{background:#014391;}.kb-gallery-wrap-id-14464_20c10f-11.wp-block-kadence-advancedgallery{overflow:visible;}.kb-gallery-wrap-id-14464_20c10f-11.wp-block-kadence-advancedgallery .kt-blocks-carousel{overflow:visible;}<\/style><div class=\"kb-gallery-wrap-id-14464_20c10f-11 alignnone wp-block-kadence-advancedgallery\"><div class=\"kb-gallery-ul kb-gallery-non-static kb-gallery-type-carousel kb-gallery-id-14464_20c10f-11 kb-gallery-caption-style-below kb-gallery-filter-none\" data-image-filter=\"none\" data-lightbox-caption=\"true\"><div class=\"kt-blocks-carousel splide kt-carousel-container-dotstyle-dark kt-carousel-arrowstyle-whiteondark kt-carousel-dotstyle-dark kb-slider-group-arrow kb-slider-arrow-position-center\" data-columns-xxl=\"4\" data-columns-xl=\"4\" data-columns-md=\"4\" data-columns-sm=\"3\" data-columns-xs=\"2\" data-columns-ss=\"2\" data-slider-anim-speed=\"400\" data-slider-scroll=\"1\" data-slider-arrows=\"true\" data-slider-dots=\"true\" data-slider-hover-pause=\"false\" data-slider-auto=\"\" data-slider-speed=\"7000\" data-slider-gap=\"8px\" data-slider-gap-tablet=\"8px\" data-slider-gap-mobile=\"8px\" data-show-pause-button=\"false\" data-slider-label=\"Photo Gallery Carousel\"><div class=\"splide__track\"><ul class=\"kt-blocks-carousel-init kb-gallery-carousel splide__list\"><li class=\"kb-slide-item kb-gallery-carousel-item splide__slide\"><div class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kb-gallery-item-has-link kadence-blocks-gallery-item-has-caption\"><a href=\"https:\/\/tw.lneya.com\/environmental-test-chambers\" class=\"kb-gallery-item-link\"  ><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-port34 kb-has-image-ratio-port34\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/zuoyou.png\" width=\"870\" height=\"630\" alt=\"\" data-full-image=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/zuoyou.png\" data-light-image=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/zuoyou.png\" data-id=\"13213\" class=\"wp-image-13213 skip-lazy\" srcset=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/zuoyou.png 870w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/zuoyou-300x217.png 300w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/zuoyou-768x556.png 768w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/zuoyou-18x12.png 18w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><\/div><\/div><div class=\"kadence-blocks-gallery-item__caption\">test chambers<\/div><\/a><\/figure><\/div><\/div><\/li><li class=\"kb-slide-item kb-gallery-carousel-item splide__slide\"><div class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kb-gallery-item-has-link kadence-blocks-gallery-item-has-caption\"><a href=\"https:\/\/tw.lneya.com\/thermal-shock-chamber\" class=\"kb-gallery-item-link\"  ><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-port34 kb-has-image-ratio-port34\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/09\/\u4e24\u7bb1\u51b2\u51fb\u8bd5\u9a8c\u7bb12.jpg\" width=\"800\" height=\"800\" alt=\"thermal shock chamber\" data-full-image=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/09\/\u4e24\u7bb1\u51b2\u51fb\u8bd5\u9a8c\u7bb12.jpg\" data-light-image=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/09\/\u4e24\u7bb1\u51b2\u51fb\u8bd5\u9a8c\u7bb12.jpg\" data-id=\"9701\" class=\"wp-image-9701 skip-lazy\" srcset=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/09\/\u4e24\u7bb1\u51b2\u51fb\u8bd5\u9a8c\u7bb12.jpg 800w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/09\/\u4e24\u7bb1\u51b2\u51fb\u8bd5\u9a8c\u7bb12-300x300.jpg 300w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/09\/\u4e24\u7bb1\u51b2\u51fb\u8bd5\u9a8c\u7bb12-150x150.jpg 150w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/09\/\u4e24\u7bb1\u51b2\u51fb\u8bd5\u9a8c\u7bb12-768x768.jpg 768w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/09\/\u4e24\u7bb1\u51b2\u51fb\u8bd5\u9a8c\u7bb12-12x12.jpg 12w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div><\/div><div class=\"kadence-blocks-gallery-item__caption\">thermal shock chamber<\/div><\/a><\/figure><\/div><\/div><\/li><li class=\"kb-slide-item kb-gallery-carousel-item splide__slide\"><div class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kb-gallery-item-has-link kadence-blocks-gallery-item-has-caption\"><a href=\"https:\/\/tw.lneya.com\/climatic-test-chamber\" class=\"kb-gallery-item-link\"  ><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-port34 kb-has-image-ratio-port34\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/batterychamber2.jpg\" width=\"450\" height=\"450\" alt=\"\" data-full-image=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/batterychamber2.jpg\" data-light-image=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/batterychamber2.jpg\" data-id=\"8802\" class=\"wp-image-8802 skip-lazy\" srcset=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/batterychamber2.jpg 450w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/batterychamber2-300x300.jpg 300w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/batterychamber2-150x150.jpg 150w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/batterychamber2-12x12.jpg 12w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/div><\/div><div class=\"kadence-blocks-gallery-item__caption\">climatic test chamber<\/div><\/a><\/figure><\/div><\/div><\/li><li class=\"kb-slide-item kb-gallery-carousel-item splide__slide\"><div class=\"kadence-blocks-gallery-item\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kb-gallery-item-has-link kadence-blocks-gallery-item-has-caption\"><a href=\"\" class=\"kb-gallery-item-link\"  ><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-port34 kb-has-image-ratio-port34\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/kry-battery-testing-chamber.jpg\" width=\"720\" height=\"720\" alt=\"\" data-full-image=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/kry-battery-testing-chamber.jpg\" data-light-image=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/kry-battery-testing-chamber.jpg\" data-id=\"6998\" class=\"wp-image-6998 skip-lazy\" srcset=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/kry-battery-testing-chamber.jpg 720w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/kry-battery-testing-chamber-300x300.jpg 300w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2024\/02\/kry-battery-testing-chamber-150x150.jpg 150w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/div><\/div><div class=\"kadence-blocks-gallery-item__caption\">battery test chamber<\/div><\/a><\/figure><\/div><\/div><\/li><\/ul><\/div><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#014391;padding-top:31px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"max-width:2000px;\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-themecolor-1-background-color has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:34px;color:#ffffff;padding:37px 31px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-left has-monte-white-color has-text-color has-large-font-size\">CONTACT US<\/h2>\n\n\n\n<p class=\"has-themecolor-2-color has-text-color wp-block-paragraph\"><strong>TEL\uff1a<\/strong><\/p>\n\n\n\n<p class=\"has-monte-white-color has-text-color has-link-color wp-elements-8313a16586fbff2ea76dd99c19d50854 wp-block-paragraph\" style=\"font-size:24px\"><strong>+<strong><a href=\"https:\/\/api.whatsapp.com\/send?phone=8618914253067\" target=\"_blank\" rel=\"noreferrer noopener\">86 189 1425 3067<\/a><\/strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-themecolor-2-color has-text-color wp-block-paragraph\"><strong>EMAIL\uff1a<\/strong><\/p>\n\n\n\n<p class=\"has-monte-white-color has-text-color has-link-color wp-elements-29f800469e68ffd9931347446e97b917 wp-block-paragraph\" style=\"font-size:24px\"><strong><strong><a href=\"mailto:market@lneya.com\" target=\"_blank\" rel=\"noreferrer 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Please try again later<\/div><div class=\"e-email\">Email error!<\/div><div class=\"e-tel\">Wrong phone number!<\/div><\/div><\/div><\/form><\/div><div class=\"wp_clear\"><\/div><\/div><div class=\"themepark-comment_in_b\" style=\"opacity:0.83;background-color:#ffffff;transform:scaleX(1.089) scaleY(1.0129)\"><\/div><\/div><\/div><div class=\"wp_clear\"><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Why Do Batteries Need Freezing Tests Have you noticed the growing number of electric vehicles on the road? With the development of new energy technology and the improvement of environmental awareness, battery-powered vehicles are now a common sight in daily life.Have you ever wondered why electric vehicles charge more slowly and discharge more quickly in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":true,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":true,"footnotes":""},"categories":[326],"tags":[],"class_list":["post-14464","post","type-post","status-publish","format-standard","hentry","category-blog"],"metadata":{"_kad_blocks_custom_css":[""],"_kad_blocks_head_custom_js":[""],"_kad_blocks_body_custom_js":[""],"_kad_blocks_footer_custom_js":[""],"themepark_post_bcolor":["#f5f5f5"],"themepark_post_width":["1022px"],"themepark_post_img":[""],"themepark_post_img_po":["left"],"themepark_post_img_re":[""],"themepark_post_img_cover":[""],"themepark_post_img_fixed":[""],"themepark_post_hide_title":["1"],"themepark_post_main_b":[""],"themepark_post_main_p":["100"],"themepark_paddingblock":["1"],"footnotes":[""],"themepark_seo_title":["Why Do Batteries Need Freezing Tests"],"themepark_seo_description":["Discover why battery freezing tests are essential for electric vehicles. Learn how low temperatures affect charging, discharging, and battery safety."],"catce":["procbl"],"views":["1234"],"_lwptoc_settings":["a:2:{s:7:\"enabled\";b:1;s:15:\"processHeadings\";b:1;}"],"themepark_seo_keyword":["battery testing\uff0cEV battery test"],"_dp_original":["14462"],"_edit_lock":["1764750465:1"],"_edit_last":["1"],"rank_math_og_content_image":["a:2:{s:5:\"check\";s:32:\"d0683e29528cfcd437783e726df3120c\";s:6:\"images\";a:1:{i:0;i:7000;}}"]},"taxonomy_info":{"category":[{"value":326,"label":"blog"}]},"featured_image_src_large":false,"author_info":{"display_name":"lneyaadmindy","author_link":"https:\/\/tw.lneya.com\/pt\/author\/lneyaadmindy"},"comment_info":0,"category_info":[{"term_id":326,"name":"blog","slug":"blog","term_group":0,"term_taxonomy_id":326,"taxonomy":"category","description":"","parent":0,"count":278,"filter":"raw","cat_ID":326,"category_count":278,"category_description":"","cat_name":"blog","category_nicename":"blog","category_parent":0}],"tag_info":false,"medium_url":false,"thumbnail_url":false,"full_url":false,"_links":{"self":[{"href":"https:\/\/tw.lneya.com\/pt\/wp-json\/wp\/v2\/posts\/14464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tw.lneya.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tw.lneya.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tw.lneya.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tw.lneya.com\/pt\/wp-json\/wp\/v2\/comments?post=14464"}],"version-history":[{"count":0,"href":"https:\/\/tw.lneya.com\/pt\/wp-json\/wp\/v2\/posts\/14464\/revisions"}],"wp:attachment":[{"href":"https:\/\/tw.lneya.com\/pt\/wp-json\/wp\/v2\/media?parent=14464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tw.lneya.com\/pt\/wp-json\/wp\/v2\/categories?post=14464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tw.lneya.com\/pt\/wp-json\/wp\/v2\/tags?post=14464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}