Great Power IFR33136

DOC No: GP-ER-A-0001 Page 5 Of 11 Pages PRODUCT SPECIFICATION Version: A0 Date: 2025-02-26 No: GP-HN05-06 For Any Detail and question, Please Tel Engineer:(+86)013559019376 4 Battery/Cell performance test Criteria/电池性能标准 4.1 Visual Inspection of Appearance /外观目测 There shall be no visible defect such as flaw, crack, rust, stain or leakage, which may adversely affect the commercial value of the batteries. 电池外观应没有裂纹、爆裂、锈渍、污渍、漏液等影响商业价值的缺陷存在。 4.2 Test conditions/外界环境条件 Unless otherwise specified, all tests stated in this document are conducted at the conditions stated below: 所有测试应按以下环境条件进行，除非特殊指定外。 Temperature: 25±5℃ Relative Humidity: 60%±25% R.H. 4.3 Environment Properties/环境特性 No. Items/项目 Testing Method and Condition/测试方法及条件 Criteria/标准 1 RT Cycle Life 室温循环寿命 0.5C CCCV to 3.65V，0.05C cut off，1.0C CD to 2.5V, Capacity cycling to 80% of initial capacity 0.5C 恒流恒压充电至 3.65V，0.05C 截止，1.0C 恒流放电至 2.5V，循环至初始 容量的 80% ≥2000 cycles 2 45℃ Cycle Life 45 度循环寿命 0.5C CCCV to 3.65V，0.05C cut off，1.0C CD to 2.5V, Capacity cycling to 80% of initial capacity 0.5C 恒流恒压充至 3.65V，0.05C 截止，1.0C 恒流放电至 2.5V，循环至初始容 量的 80% ≥1000 cycles 3 -20℃ discharge -20℃ 放电 At -20℃, 1C discharges to 2.0V 在-20℃条件下，1C 放电至 2.0V Capacity retention ≥60% 容量保持率≥60% 4 RT storage capacity retention & recovery 室温存储容量保持及 恢复 The batteries charged under standard conditions at 25±3℃, are stored at ambient temperature 25±5℃ for 28 days. Measure the 0.5C capacity after 28 days at 25±3℃ 将电池在 25±3℃标准充电后储存在 25±5℃的环境中 28 天，28 天后，测试电 池在 25±3℃环境下 0.5C 容量 Capacity retention ≥96% Capacity recovery ≥97% 容量保持率≥96% 容量恢复率≥97% 5 60℃ storage capacity retention & recovery 60℃存储容量保持及 恢复 The batteries charged under standard conditions at 60±3℃, are stored at ambient temperature 60±3℃ for 7 days. Measure the 0.5C capacity after 7 days at 25±5℃ 将电池在 25±3℃标准充电后，储存在 60±3℃的环境中 7 天，7 天后测试电池 在 25±3℃环境下 0.5C 容量 Capacity retention ≥94% Capacity recovery ≥95% 容量保持率≥94% 容量恢复率≥95%