Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Repo rt No.: ECT20250512050A Sample name : Lithium-ion B attery 物品名称 : 锂离子电池 Model name : CJ INR 2000mAh 型号 : Applicant : Dongguan Yuhang New Energy Technology Co., Ltd 申请商 : 东莞市羽航新能源科技有限公 司 深圳市卓越检测技术有限公司 Shenzhen ECT Testing Technology Co.,Ltd Lithium Battery UN38.3 Test Report 锂电池 UN38.3 测试报告 Page 1 of 20 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 2 of 20 UN38.3 Test Report UN38.3 测试 报告 Tested by (+ signature) .............. .. .....: 测试 ( 签名 ) ..................................... ... ..: Lee.yuan/ Testing Engineer 袁乐 / 测试工程师 Checked by (+ signature) .......... .... .....: 审核 ( 签名 ) ................................. .... .....: Eddie.Shi/ Project Manager 施磊 / 项目经理 Approved by (+ signature) ......... .. ......: 批准 ( 签名 ) ................................... ... ....: Eric.Ren/Technical Manager 任博 / 技术总监 Total number of pages ......................: 页数 ......... ........................................: 20 pages Date of issue ............................. ... ......: 签发日期 ..................................... .... .....: 2025.06.12 Testing Laboratory Name ........... ... .....: 测试实验室 .................................... ... ...: Shenzhen ECT Testing Technology Co.,Ltd 深圳市卓越检测技术有限公司 Address .................................... ... .......: 地址 ........................................... .... ......: B202, Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China 广东省深圳市宝安区新桥街道上寮社区上南上寮工业路 18 号汇聚新桥 107 创 智园 A.B 座 B202 Applicant's Name ................. ... ...........: 申请商 ...................................... ... ........: Dongguan Yuhang New Energy Technology Co., Ltd 东莞市羽航新能源科技有限公司 Address .................................. ... .........: 地址 ........................ ... ............... ..........: Room 401,No.7, Aiqun South Road, Tangxia Town, Dongguan City, Guangdong Province 广东省东莞市塘厦镇爱群南路 7 号 401 室 Manufacturer Name .........................: 制造商 .............................................: Dongguan Yuhang New Energy Technology Co., Ltd 东莞市羽航新能源科技有限公司 Address ..................................... ... ......: 地址 ............................................ .... .....: Room 401,No.7, Aiqun South Road, Tangxia Town, Dongguan City, Guangdong Province 广东省东莞市塘厦镇爱群南路 7 号 401 室 Telephone Number .................... ... ......: 联系电话 .................................... ... .... : +86-13654314083 Email a ddress ........................ ... ... ....... : 邮件地址 .......................... .. .... ............. : 6495638@qq.com Website ............................ ................... : 网址 .................................. .. .... ............. : / Standard ..................................... ... .....: 标准 ............................................ .... .....: UN "Manual of Tests and Criteria" ST/SG/AC.10/11/Rev.7/Amend1/Subsection 38.3 联合国《试验和标准手册》（第 7 版修订 1 ） 38.3 节 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 3 of 20 Test item description ... ............ ... ........: 测试项目描述 ................................ ... ...: Lithium-ion B attery 锂离子电池 Trade Mark ......................................: 商标 ................................................ .... .: N/A Model/type reference ................... .. ....: 型号 / 引用型号 ............................. .... .....: CJ INR 2000mAh Rating s ..................................... ..... ......: 额定值 ...................................... ... ........: 3.7V, 2000mAh, 7.4Wh Classification ............................ .... .......: 类别 .......................................... .... .......: Single Cell Li-ion Battery 单电芯锂离子电池 Type of Sample............................ .... ...: 样品形状 ....................................... .... ...: Approximate Blue Cylinder 蓝色近圆柱体 Details information of the battery and the cell built in the battery, as following: 电池和电芯的详细信息见下表： Nominal Voltage 标称电压 3.7 V Rated Capacity 额定容量 2000 mAh 7.4Wh Charge Voltage 充电电压 4.2 V Nominal Charge Current 标称充电电流 1000 mA Maximum Charge Current 最大充电电流 200 0mA End of Charg e Current 结束充电电流 100 mA Discharge Cut-off Voltage 放电截止电压 3.0 V Nominal Discharge Current 标称放电电流 1000 mA Maximum Discharge Current 最大放电电流 1000 mA Battery Model 电池型号 CJ INR 2000mAh Size 尺寸 ( D × H ) ( 18.5 × 65.8 )mm Cells Number 电芯 数量 1PC Cell Model 电芯 型号 CJ INR 2000mAh Cell Nominal Voltage 电芯 标称电压 3.7 V Cell Rated Capacity 电芯 额定容量 2000 mAh Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 4 of 20 Possible test case verdicts : 报告中可能用到的结论标识： Test case does not apply to the test object ....................................... ... ........: 测试项目不适用于该产品 ......... ........ : N/A 不适用 Test item does meet the requirement 测试项目符合标准的要求 ........... .. ...... : P(ass) 合格 Test item does not meet the requirement ................................. .. ....: 测试项目不符合标准的要求 ......... .. .... : F(ail) 不合格 Testing: 测试 ： Date o f sample received ............. ..... : 样品接收日期 ............................. .. .....: 202 5.05.12 Date(s) of performance of test ......... : 测试执行日期 .............................. .. ....: 202 5.05.12 ~ 202 5.06.11 Test conclusion: 检验结论 ： Test result: Pass 检验结果 : 通过 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 5 of 20 I 、 CONCLUSION 结论 Item 项目 Sample Number 样品编号 Conclusion 结论 Altitude simulation 高空模拟 B01-B10 PASS 合格 Thermal test 温度试验 PASS 合格 Vibration 振动 PASS 合格 Shock 冲击 PASS 合格 External short circuit 外部短路 PASS 合格 Crush/ Impact 挤压 / 撞击 C01 - C10 PASS 合格 Overcharge 过充电 B11-B18 PASS 合格 Forced discharge 强制放电 C 11 -C 30 PASS 合格 CXX is used as the sample number of cells 250512050CXX, “ X ” is 0~9. CXX 代表电芯样板编号 250512050CXX, X=0~9 。 BXX is used as the sample number of batteries 250512050BXX, “ X ” is 0~9. BXX 代表电池包样板编号 250512050BXX, X=0~9 。 Notes 备注 : The conditions of the battery of sample No. B0 1 to B 0 5 , B 11 -B1 4 are at first cycle, in fully charged state; 样品编号 B0 1- B 0 5 , B 11 -B1 4 的状态为第一个交替充电放电周期完全充电状态的电池 ; The conditions of the cells of sample No. C01 to C05 are at first cycle at 50% of the design rated capacity, in fully charged state; 样品编号 C01 - C05 的状态为第一个交替充电放电周期完全充电状态电芯容量设计值的 50% 的电芯 ; The conditions of the cells of sample No. C06 to C10 are after 25 cycle s at 50% of the design rated capacity, in fully charged state; 样品编号 C06 - C10 的状态为第二十五个交替充电放电周期完全充电状态电芯容量设计值的 50% 的电芯 ; The conditions of the battery of sample No.B0 6 to B 10, B1 5 to B1 8 are after 25 cycle s, in fully charged state; 样品编号 B0 6 -B 10 , B 15 -B 18 的状态为在 二十五 个交替充电放电周期结束后完全充电状态的电池 ; The conditions of the cells of sample No.C 11 to C 20 are at first cycle, in fully discharged state; 样品编号 C 11 -C 20 的状态为第一个交替充电放电周期完全放电状态的电芯 ; The conditions of the cells of sample No.C 21 to C 30 are after 25 cycles ending in fully discharged state. 样品编号 C 21 -C 30 的状态为在二十五个交替充电放电周期结束后完全放电状态的电芯。 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 6 of 20 II 、 MAIN TEST EQUIPMENT 主要测试设备 No. 序号 Name 名 称 Model 型 号 Item 编 号 Due. date 校准有效期至 The use 本次使用 ( √ ) 1 High-performance battery detection system 高性能电池检测系统 CT-4008T-5V6A-S1 SZZY-YQ-109 2025-09-26 √ 2 Charge and discharge tester 充放电测试仪 CE-7002-100V50A- R28 SZZY-YQ-118 2025-09-26 -- 3 Charge and discharge tester 充放电测试仪 PBTS-24V10A-220W SZZY-YQ-111 2025-09-26 -- 4 Charge and discharge tester 充放电测试仪 CT-4008-20V20A-NA SZZY-YQ-110 2025-09-26 √ 5 Vibration test stand 震动试验台 JQA-062-230 SZZY-YQ-097 2025-10-31 √ 6 High acceleration impact table 高加速冲击台 IS-25 SZZY-YQ-098 2025-10-31 √ 7 Temperature controlled battery extrusion tester 温控型电池挤压试验机 GX-5067-HSM SZZY-YQ-099 2026-04-13 -- 8 Battery heavy impact testing machine 电池重物冲击试验机 ZZ-A11 SZZY-YQ-100 2025-09-26 √ 9 Low pressure high altitude simulation test chamber 低压高空模拟试验箱 GX-3020-Z50H SZZY-YQ-102 2025-09-26 √ 10 Temperature controlled battery short circuit testing machine 温控型电池短路试验机 GX-6055-T5 SZZY-YQ-108 2026-04-13 √ 11 Constant temperature and humidity test chamber 恒温恒湿试验箱 ZZ-K01B SZZY-YQ-107 2025-09-26 √ 12 Digital display hygrograph 数显温湿度计 HTC-1 SZZY-YQ-120 2025-09-26 √ 13 DC power supply 直流电源 ETM-6010 SZZY-YQ-006 2025-10-30 √ 14 Digital multimeter 数字万用表 F15B+ SZZY-YQ-037 2026-02-06 √ 15 Temperature measuring device 温度测试仪 GK-TCP SZZY-YQ-027 2026-02-06 √ 16 Electronic load 电子负载 TH8401 SZZY-YQ-009 2026-02-06 √ 17 Electronic balance 电子天平 5003 SZZY-YQ-114 2025-09-26 √ Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 7 of 20 III 、 TEST METHOD AND DATA 测试方法和数据 Tests T.1 to T.5 shall be conducted in sequence on the same cell or battery. Tests T.6 and T.8 shall be conducted using not otherwise tested cells or batteries. Test T.7 may be conducted using undamaged batteries previously used in tests T.1 to T.5 for purposes of testing on cycled batteries. Cells and batteries meet this requirement if there is no leakage, no venting, no disassembly, no rupture and no fire and if the open circuit voltage of each test cell or battery after testing is not less than90% of its voltage immediately prior to this procedure. The requirement relating to voltage is not applicable to test cells and batteries at fully discharged states. 小型电池或电池组必须按顺序进行试验 T1 至 T5 。试验 T6 和 T8 应使用未试验过的电池或电池组。试验 T7 可以使用 原先在试验 T1 至 T5 中使用过的未损坏的电池组进行，以便测试交替充电放电的电池组。 要求电池和电池组无渗漏、无漏气、无解体、无破裂和无起火并且每个电池或电池组在试验后的开路电压不小于 其在进行这一试验前电压的 90% 。有关电压的要求不适用于完全放电状态的电池和电池组。 In order to quantify the mass loss, the following procedure is provided. mass loss ＝（ M 1 － M 2 ） /M 1 × 100 ％ Where M 1 is the mass before the test and M 2 is the mass after the test, when mass loss does not exceed the values in Table below, it shall be considered as “ no mass loss ” 质量损失依照下式计算： 质量损失＝ （ M 1 － M 2 ） /M 1 × 100 ％ 式中 M 1 是试验前的质量， M 2 是试验后的质量。如质量损失不超过下表所列数值，即视为 “ 无质量损失 ” 。 Mass M of cell or battery 电池或电池组质量 M Mass lost limited 质量损失限值 M ＜ 1g 0.5% 1g ≤ M ≤ 75g 0.2% M ＞ 75g 0.1% Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 8 of 20 Test T1: Altitude simulation 高度模拟 Test procedure 试验程序： Test cells and batteries shall be stored at a pressure of 11.6 kPa or less for at least six hours at ambient temperature (20 ± 5 ° C). 试验样品在压力不大于 11.6kPa 和温度 20 °C± 5 ° C 的环境下存放至少 6 小时。 Requirement 要求： Cells and batteries meet this requirement if there is no leakage, no venting, no disassembly, no rupture and no fire and if the open circuit voltage of each test cell or battery after testing is not less than 90% of its voltage immediately prior to this procedure. 要求样品无漏液、无漏气、无解体、无破裂以及无起火 , 且样品试验后开路电压应不低于试验前开路电压的 90 ﹪。 Data 数据： Ambient temperature 环境温 度 : 23. 3 ° C 。 No. 编号 Pre-test 测试前 After test 测试后 Mass loss 质量损失 (%) Voltage loss 电压损失 (%) Verdict# （判定 # ） Mass(g) 质量 (g) Voltage(V) 电压 (V) Mass(g) 质量 (g) Voltage(V) 电压 (V) B0 1 45.796 4.18 45.796 4.17 0.000 0.24 PASS / 合格 B0 2 45.791 4.17 45.784 4.17 0.015 0.00 PASS / 合格 B0 3 45.788 4.18 45.788 4.18 0.000 0.00 PASS / 合格 B0 4 45.785 4.17 45.785 4.17 0.000 0.00 PASS / 合格 B0 5 45.792 4.18 45.792 4.17 0.000 0.24 PASS / 合格 B0 6 45.793 4.17 45.788 4.17 0.011 0.00 PASS / 合格 B0 7 45.790 4.18 45.790 4.18 0.000 0.00 PASS / 合格 B0 8 45.787 4.17 45.787 4.17 0.000 0.00 PASS / 合格 B0 9 45.789 4.18 45.789 4.18 0.000 0.00 PASS / 合格 B 10 45.799 4.17 45.792 4.16 0.015 0.24 PASS / 合格 # ： No leakage, No venting,No disassembly No rupture and no fire # ：无漏液、无漏气、无解体、无破裂以及无起火现象 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 9 of 20 Test T.2: Thermal test 耐热测试 Test procedure 测试程序： Test cells and batteries are to be stored for at least six hours at a test temperature equal to72 ± 2 ° C, followed by storage for at least six hours at a test temperature equal to - 40 ± 2 ° C. The maximum time interval between test temperature extremes is 30 minutes. This procedure is to be repeated until 10 total cycles are complete, after which all test cells and batteries are to be stored for 24 hours at ambient temperature (20 ± 5 ° C). For large cells and batteries the duration of exposure to the test temperature extremes should be at least 12 hours. 试验样品在试验温度等于 72 °C± 2 °C 下存放至少 6 小时，然后在试验温度等于 -40 °C± 2 °C 下存放至少 6 小时。两个 极端温度之间的最大时间间隔为 30 分钟。这一过程须重复 10 次，接着将所有样品在环境温度 20 °C± 5 °C 下存放 24 小 时。对于大型电池和电池组，暴露于极端试验温度的时间至少应为 12 小时。 Requirement 要求 Cells and batteries meet this requirement if there is no leakage, no venting, no disassembly, no rupture and no fire and if the open circuit voltage of each test cell or battery after testing is not less than 90% of its voltage immediately prior to this procedure. 要求样品无漏液、无漏气、无解体、无破裂以及无起火 , 且样品试验后开路电压应不低于试验前开路电压的 90 ﹪。 Data 数据： Ambient temperature 环境温度 : 23. 4 ° C 。 No. 编号 Pre-test 测试前 After test 测试后 Mass loss 质量损失 (%) Voltage loss 电压损失 (%) Verdict# （判定 # ） Mass(g) 质量 (g) Voltage(V) 电压 (V) Mass(g) 质量 (g) Voltage(V) 电压 (V) B0 1 45.796 4.17 45.756 4.14 0.087 0.72 PASS / 合格 B0 2 45.784 4.17 45.754 4.13 0.066 0.96 PASS / 合格 B0 3 45.788 4.18 45.759 4.15 0.063 0.72 PASS / 合格 B0 4 45.785 4.17 45.757 4.14 0.061 0.72 PASS / 合格 B0 5 45.792 4.17 45.761 4.14 0.068 0.72 PASS / 合格 B0 6 45.788 4.17 45.756 4.13 0.070 0.96 PASS / 合格 B0 7 45.790 4.18 45.754 4.14 0.079 0.96 PASS / 合格 B0 8 45.787 4.17 45.752 4.13 0.076 0.96 PASS / 合格 B0 9 45.789 4.18 45.755 4.15 0.074 0.72 PASS / 合格 B 10 45.792 4.16 45.759 4.13 0.072 0.72 PASS / 合格 # ： No leakage, No venting,No disassembly No rupture and no fire # ：无漏液、无漏气、无解体、无破裂以及无起火现象 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 10 of 20 Test T.3: Vibration 振动 Test procedure 测试程序： 1. Cells and batteries are firmly secured to the platform of the vibration machine / 样品牢固地安装在振动台 （ 的 台面 ） 上。 2. The vibration:a sinusoidal waveform with a logarithmic sweep between 7Hz and 200Hz and back to 7Hz traversed in 15 minutes/ 振动以正弦波形式 ，对数 扫描频率 从 7Hz 增加至 200Hz ， 然后再回到 7Hz ， 一个循环持续 15 分钟。 3. the logarithmic frequency sweep is as follows: from 7 Hz a peak acceleration of 1 gn is maintained until 18 Hz is reached, The amplitude is then maintained at 0,8mm (1,6 mm total excursion) and the frequency increased until a peak acceleration of 8 gn occurs (approximately 50Hz), A peak acceleration of 8 gn is then maintained until the frequency is increased to 200 Hz/ 对数扫频为 : 从 7 赫兹开始保持 1gn 的最大加速度直到频率为 18 赫兹 ， 然后将振 幅保持在 0.8 毫米 （ 总偏移 1.6 毫米 ） 并增加频率直到最大加速度达到 8gn （ 频率约为 50 赫兹 ）， 将最大加速度保持 在 8gn 直到频率增加到 200 赫兹。 4. This cycle repeated 12 times for a total of 3 hours for each of three mutually perpendicular mounting position of the cell / 每个样品从三个互相垂直的方向上循环 12 次 ， 共 3 个小时。 Requirement 要求 Cells and batteries meet this requirement if there is no leakage, no venting, no disassembly, no rupture and no fire during the test and after the test and if the open circuit voltage of each test cell or battery directly after testing in its third perpendicular mounting position is not less than 90% of its voltage immediately prior to this procedure. 要求样品无漏液、无漏气、无解体、无破裂以及无起火 , 且样品试验后开路电压应不低于试验前开路电压的 90 ﹪。 Data 数据： Ambient temperature 环境温 度 : 23. 7 ° C 。 No. 编号 Pre-test 测试前 After test 测试后 Mass loss 质量损失 (%) Voltage loss 电压损失 (%) Verdict# （判定 # ） Mass(g) 质量 (g) Voltage(V) 电压 (V) Mass(g) 质量 (g) Voltage(V) 电压 (V) B0 1 45.756 4.14 45.756 4.13 0.000 0.24 PASS / 合格 B0 2 45.754 4.13 45.748 4.13 0.013 0.00 PASS / 合格 B0 3 45.759 4.15 45.759 4.15 0.000 0.00 PASS / 合格 B0 4 45.757 4.14 45.757 4.14 0.000 0.00 PASS / 合格 B0 5 45.761 4.14 45.761 4.13 0.000 0.24 PASS / 合格 B0 6 45.756 4.13 45.749 4.13 0.015 0.00 PASS / 合格 B0 7 45.754 4.14 45.754 4.14 0.000 0.00 PASS / 合格 B0 8 45.752 4.13 45.747 4.13 0.011 0.00 PASS / 合格 B0 9 45.755 4.15 45.755 4.14 0.000 0.24 PASS / 合格 B 10 45.759 4.13 45.759 4.13 0.000 0.00 PASS / 合格 # ： No leakage, No venting,No disassembly No rupture and no fire # ：无漏液、无漏气、无解体、无破裂以及无起火现象 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 11 of 20 Test T4: Shock 冲击 Test procedure 测试程序 : 1. Test cells and batteries shall be secured to the testing machine by means of a rigid mount which will support all mounting surfaces of each test battery. 2 Each cell or battery shall be subjected to a half sine shock of peak acceleration of 150gn and pulse duration of 6 milliseconds. Alternatively, large cells and large batteries may be subjected to a half-sine shock of peak acceleration of 50gn and pulse duration of 11 milliseconds. 3 Each cell or battery shall be subjected to a half-sine shock of peak acceleration depending on the mass of the battery. The pulse duration shall be 6 milliseconds for small batteries and 11 milliseconds for large batteries. The formulas below are provided to calculate the appropriate minimum peak accelerations 以稳固的托架固定住每个样品的安装表面。对每个电样品以峰值为 150gn 的半正弦的加速度冲击，脉冲持续 6 毫 秒，大型电池和大型电池组须经受最大加速度 50gn 和脉冲持续时间 11 毫秒的半正弦波冲击。每个样品必须经受根据 其质量峰值加速度的半正弦震荡。小型电池脉冲持续时间应为 6 毫秒为和大容量电池脉冲持续时间应为 11 毫秒。下面 的公式供计算相应最小峰值加速度，每个样品须在三个互相垂直的样品安装方位的正方向经受三次冲击，接着在反方 向经受三次冲击，总共经受 18 次冲击。 Battery Minimum peak acceleration Pulse duration Small batteries 150 g n or result of formula Acceleration(g n ) = 100850 mass ∗ whichever is smaller 6 ms Large batteries 50 g n or result of formula Acceleration(g n ) = 30000 mass ∗ whichever is smaller 11 ms Requirement 要求 : Cells and batteries meet this requirement if there is no leakage, no venting, no disassembly, no rupture and no fire and if the open circuit voltage of each test cell or battery after testing is not less than 90% of its voltage immediately prior to this procedure. 要求样品无漏液、无漏气、无解体、无破裂以及无起火 , 且样品试验后开路电压应不低于试验前开路电压的 90 ﹪。 Data 数据： Ambient temperature 环境温度 : 23. 5 ° C 。 No. 编号 Pre-test 测试前 After test 测试后 Mass loss 质量损失 (%) Voltage loss 电压损失 (%) Verdict# （判定 # ） Mass(g) 质量 (g) Voltage(V) 电压 (V) Mass(g) 质量 (g) Voltage(V) 电压 (V) B0 1 45.756 4.13 45.75 4.13 0.013 0.00 PASS / 合格 B0 2 45.748 4.13 45.748 4.13 0.000 0.00 PASS / 合格 B0 3 45.759 4.15 45.759 4.14 0.000 0.24 PASS / 合格 B0 4 45.757 4.14 45.757 4.14 0.000 0.00 PASS / 合格 B0 5 45.761 4.13 45.756 4.13 0.011 0.00 PASS / 合格 B0 6 45.749 4.13 45.749 4.12 0.000 0.24 PASS / 合格 B0 7 45.754 4.14 45.754 4.14 0.000 0.00 PASS / 合格 B0 8 45.747 4.13 45.747 4.13 0.000 0.00 PASS / 合格 B0 9 45.755 4.14 45.755 4.13 0.000 0.24 PASS / 合格 B 10 45.759 4.13 45.753 4.13 0.013 0.00 PASS / 合格 # ： No leakage, No venting,No disassembly No rupture and no fire # ：无漏液、无漏气、无解体、无破裂以及无起火现象 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 12 of 20 Test T.5: External short circuit 外短路测试 Test method 测试方法 : The cell or battery to be tested shall be heated for a period of time necessary to reach a homogeneous stabilized temperature of 57 ± 4 ° C, measured on the external case. This period of time depends on the size and design of the cell or battery and should be assessed and documented. If this assessment is not feasible, the exposure time shall be at least 6 hours for small cells and small batteries, and 12 hours for large cells and large batteries. Then the cell or battery at 57 ± 4 ° C shall be subjected to one short circuit condition with a total external resistance of less than 0.1 ohm. 测试样品的外壳温度达到恒温 57 ± 4 ° C 后，再进行外部短路。短路的时间取决于样品的尺寸和设计，并需被评 估和记录。如果这个评估无法进行，那么小电芯和小电池短路时间至少 6 小时，大电芯和大电池短路时间至少 12 小 时。然后样品在 57 ± 4 °C 环境下经受一个阻值小于 0.1 Ω 的外部电路短路。 This short circuit condition is continued for at least one hour after the cell or battery external case temperature has returned to 57 ± 4 ° C, or in the case of the large batteries, has decreased by half of the maximum temperature increase observed during the test and remains below that value. 样品温度到 57 ± 4 °C 之后 , 短路时间需持续 1 小时，大型电池短路温度下降到最大温升的一半或低于 57 ± 4 °C 。 Requirement 要求： Cells and batteries meet this requirement if their external temperature does not exceed 170 ° C and there is no disassembly, no rupture and no fire during the test and within six hours after the test. 要求样品外表面温度不超过 170 °C , 且 试验后 6 小时内无解体 , 无破裂 , 无起火 。 Data 数据： Ambient temperature 环境温度 : 57.1 ° C 。 No. 编号 Peak temperature( °C ) 最高温度 No disassembly, No rupture and no fire 无解体、无破裂和无起火 B0 1 57.8 PASS / 合格 B0 2 57.9 PASS / 合格 B0 3 58.2 PASS / 合格 B0 4 58.1 PASS / 合格 B0 5 57.4 PASS / 合格 B0 6 57.6 PASS / 合格 B0 7 57.7 PASS / 合格 B0 8 57.5 PASS / 合格 B0 9 57.9 PASS / 合格 B 10 58.2 PASS / 合格 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 13 of 20 Test T.6: Impact (applicable to cylindrical cells not less than 18 mm in diameter) / Crush (applicable to prismatic, pouch, coin/button cells and cylindrical cells less than 18 mm in diameter) 撞击 ( 适用于直径不小于 18 毫米的圆柱形电池 )/ 挤压 ( 适用于棱柱形、袋装、硬币 / 纽扣电池和直径小于 18 毫米的圆柱形电池 ) Test procedure 测试程序 – Impact 撞击 ： The sample cell or component cell is to be placed on a flat smooth surface. A 15.8 mm ± 0.1mm diameter, at least 6 cm long, or the longest dimension of the cell, whichever is greater, Type 316 stainless steel bar is to be placed across the Centre of the sample. A 9.1 kg ± 0.1 kg mass is to be dropped from a height of 61 ± 2.5 cm at the intersection of the bar and sample in a controlled manner using a near frictionless, vertical sliding track or channel with minimal drag on the falling mass. The vertical track or channel used to guide the falling mass shall be oriented 90 degrees from the horizontal supporting surface. The test sample is to be impacted with its longitudinal axis parallel to the flat surface and perpendicular to the longitudinal axis of the 15.8 mm ± 0.1mm diameter curved surface lying across the Centre of the test sample. Each sample is to be subjected to only a single impact. 将试验样品放在平坦光滑平面上，将一根长度不少于 7cm 的 316 型不锈钢棒横放在试样中心后，将一质量为 9.1kg 的物体从 61 ± 2.5cm 的高度落向样品。待测试电池纵轴与平面平行，与横放在试样中心的直径 15.8 ± 0.1 毫米弯曲表 面的纵轴垂直。每个样品只经受一次撞击。 Test Procedure 测试程序 – Crush 挤压 ： A cell or component cell is to be crushed between two flat surfaces. The crushing is to be gradual with a speed of approximately 1.5 cm/s at the first point of contact. The crushing is to be continued until the first of the three options below is reached. (a) The applied force reaches 13 KN ± 0.78 KN; Example: The force shall be applied by a hydraulic ram with a 32 mm diameter piston until a pressure of 17 MPa is reached on the hydraulic ram. (b) The voltage of the cell drops by at least 100 mV; or (c) The cell is deformed by 50% or more of its original thickness. Once the maximum pressure has been obtained, the voltage drops by 100 mV or more, or the cell is deformed by at least 50% of its original thickness, the pressure shall be released. A prismatic or pouch cell shall be crushed by applying the force to the widest side. A button/coin cell shall be crushed by applying the force on its flat surfaces. For cylindrical cells, the crush force shall be applied perpendicular to the longitudinal axis. 将样品放在两个平面之间挤压，挤压力度逐渐加大，在第一个接触点上的速度大约为 1.5 厘米 / 秒。挤压持续进 行，直到出现以下三种情况之一： (a) 施加的力量达到 13 K N ± 0.78 K N ； (b) 样品的电压下降至少 100 毫伏； (c) 样品变形达原始厚度的 50% 或以上。 棱柱形或袋装样品应从最宽的一面施压，纽扣 / 硬币形样品应从其平坦表面施压，圆柱形样品应从与纵轴垂直的 方向施压。每个样品只经受一次挤压。 Requirement 要求 : Cells and component cells meet this requirement if their external temperature does not exceed 170 ° C and there is no disassembly and no fire during the test and within six hours after this test. 要求样品的最高表面温度不超过 170 °C ，且 试验后 6 个小时之内试验样品无解体和无起火。 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 14 of 20 Data 数据（ Impact 撞击 ）： Ambient temperature 环境温 度 : 23.7 ° C 。 No. 编号 Peak temperature( °C ) 最高温度 No disassembly, No fire 无解体、无起火 C01 89.6 PASS / 合格 C02 88.7 PASS / 合格 C03 92.5 PASS / 合格 C04 89.9 PASS / 合格 C05 92.4 PASS / 合格 C06 88.6 PASS / 合格 C07 91.7 PASS / 合格 C08 94.5 PASS / 合格 C09 89.6 PASS / 合格 C10 92.2 PASS / 合格 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 15 of 20 Test T.7: Overcharge 过度充电 Test procedure 测试程序： The charge current shall be twice the manufacturer's recommended maximum continuous charge current. The minimum voltage of the test shall be as follows: (a) when the manufacturer's recommended charge voltage is not more than 18V, the minimum voltage of the test shall be the lesser of two times the maximum charge voltage of the battery or 22V. (b) when the manufacturer's recommended charge voltage is more than 18V, the minimum voltage of the test shall be 1.2 times the maximum charge voltage. Tests are to be conducted at ambient temperature. The duration of the test shall be 24 hours. 以 2 倍制造厂推荐的最大持续充电电流对样品充电，本测试最小电压为 : (a) 如果厂家推荐的充电电压不超过 18V ，本测试的最小充电电压应该小于两倍的厂家标定最大充电电压或者是 22V (b) 如果厂家推荐的充电电压超过 18V ，本测试的最小充电电压应该 1.2 倍的厂家标定最大充电电压 20 ± 5 °C 的环境温度 下，试验持续 24 小时。 Requirement 要求： Rechargeable batteries meet this requirement if there is no disassembly and no fire during the test and within seven days after the test. 要求样品在试验中和试验后 7 天内无解体和无起火。 Data 数据 : Ambient temperature 环境温 度 : 23.2 ° C 。 No. 编号 No disassembly, No fire 无解体、无起火 B11 PASS / 合格 B12 PASS / 合格 B13 PASS / 合格 B14 PASS / 合格 B 15 PASS / 合格 B 16 PASS / 合格 B17 PASS / 合格 B18 PASS / 合格 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 16 of 20 Test T.8: Forced discharge (for cell) 强制放电 Test procedure 测试程序： Each cell shall be forced discharged at ambient temperature by connecting it in series with a 12V D.C. power supply at an initial current equal to the maximum discharge current specified by the manufacturer. The specified discharge current is to be obtained by connecting a resistive load of the appropriate size and rating in series with the test cell. Each cell shall be forced discharged for a time interval (in hours) equal to its rated capacity divided by the initial test current (in ampere). 20 ± 5 °C 的环境温度下，将样品连接在 12V 的直流电源上进行强制放电，此直流电源提供给每个试验样品初始电 流为制造商指定的最大放电电流。 对于指定的放电电流则需要和测试样品串联一个匹配的电阻，每一个样品的强制放电时间等于额容量除以初始的 测试电流。 Requirement 要求 Primary or rechargeable cells meet this requirement if there is no disassembly and no fire during the test and within seven days after the test. 要求样品在试验中和试验后 7 天内无解体和无起火。 Data 数据： Ambient temperature 环境温 度 : 23.4 ° C 。 No. 编号 No disassembly and no fire 无解体、无起火 C11 PASS / 合格 C12 PASS / 合格 C13 PASS / 合格 C14 PASS / 合格 C15 PASS / 合格 C16 PASS / 合格 C17 PASS / 合格 C18 PASS / 合格 C19 PASS / 合格 C20 PASS / 合格 C21 PASS / 合格 C22 PASS / 合格 C23 PASS / 合格 C24 PASS / 合格 C25 PASS / 合格 C26 PASS / 合格 C27 PASS / 合格 C28 PASS / 合格 C29 PASS / 合格 C30 PASS / 合格 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 17 of 20 IV 、 THE PHOTO OF SAMPLE 样品图片 Figure 1 Figure 2 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 18 of 20 Figure 3 Figure 4 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 19 of 20 Figure 5 Figure 6 Report No.: ECT20250512050A Shenzhen ECT Testing Technology Co.,Ltd Add: B202 , Block A.B, Huijuxinqiao 107 Chuangzhi Park, No.18, Shangnan Shangliao Industrial Road, Shangliao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China Tel : 0755-27201387 | E-mail : Customer @ e ct -cert .co m | h ttp:// www.ect-cert.cn Page 20 of 20 注意事项 Important Notice 1. The test report is invalid without the official stamp of ECT 本报告书无 ECT 盖章无效。 2. The test report is invalid without the signatures of Ratifier, Reviewer and Testing engineer. 本报告书无批准人、审核人、及主检人签名无效。 3. Nobody is allowed to partly photocopy this test report without written permission of ECT 未经 ECT 书面同意，不得部分地复制本报告书。 4. The report is invalid when anything of following happens – illegal transfer, reproduce, embezzlement, imposture, modification or tampering in any media form. 私自转让、复制、盗用、冒用、涂改、或以任何媒体形式篡改的报告书无效。 5. Product information and customer information provided by the applicant, we are not responsible for its authenticity 产品信息和客户信息由申请人提供，我们不对其真实性负责。 6. The test report is valid for the tested samples only. 本报告仅对本次测试样品有效。 7. The Chinese contents in this report are only for reference. 本报告中的中文内容仅供参考。 8. Objections to the test report must be submitted to ECT within 15 days. 对报告书若有异议，应于收到报告之日起 15 天内向本公司提出。 ***End of report***