PDF《PRODUCT SPECIFICATION》

4 Cell Electrical Characteristics 电性能 4.1 Standard test condition 标准测试条件 4.1.1 Standard environmental test condition 测试标准环境 Test should be conducted with new batteries within one month after shipment from our factory and the cells shall not be cycled more than five times before the test. Test condition shall be at 23±2℃ and 65±20%RH. 测试电池必须是本公司出厂时间不超过 一个月的新电池,且电池未进行过五次以上充放电循环.除非其它特殊要求,本产品规格 书规定的测试条件为:温度 23±2℃,相对湿度 65±20%. 4.1.2 Measuring Instrument or Apparatus 测试仪器或设备 4.1.2.1 Dimension Measuring Instrument 尺寸测量仪器 The dimension measurement shall be implemented by instruments with equal or more precision scale of 0.01mm. 测量尺寸的仪器精度应大于或等于 0.01mm. 4.1.2.2 Voltmeter 万用表 Standard class specified in the national standard or more sensitive class having inner impedance more than

10 MΩ/V. 万用表测量电压及电流的准确度应不低于 0.5 级,测量 电压时内阻不应小于 10kΩ/V. 4.1.2.3 Impedance Meter 内阻测试仪 Impedance shall be measured by a sinusoidal alternating current method (1kHz LCR meter). 内阻测试仪测量原理应为交流阻抗法(1kHz LCR). 4.1.2.4 Battery Test System 电池测试系统 The precision of scale of test system is demanded as follow: 测试系统精度须满足下表要求: 项目名称 Item 电压 Voltage 电流 Current 时间 Time 测量公差 tolerance ± 0.2% ± 1% ± 0.1% 4.1.3 Standard Charge Definition 标准充电定义 Standard charge is defined by charging for 7.0 hours at 4.2V of constant voltage and 5.4mA (0.2C) of constant current, .0.8mA(0.03C) cutoff. 以5.4mA (0.2C)恒流充电至 4.2V,转4.2V 恒压充电,电流截止为 0.8mA(0.03C),总充电时间不超过 7.0 小时. 4.1.4 Rest Period 搁置时间 Unless otherwise defined, 10min rest period after full charge, 10min rest period after discharge.如无其它特殊要求,充放电过程之间的时间间隔为 10min. 4.1.5 Standard Discharge Definition 标准放电定义 Standard Discharge is defined by discharging at 5.4 mA (0.2C) down to 3.0V. 5.4mA(0.2C)电流恒流放电至 3.0V. Model 型号 Page

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20 GMB201021R-S 27mAh 3.7V Ver. 1.0 CONFIDENTIAL DOC. NO. GMB-201021S-A 4.2 Electrical Performance 电化学性能 No. 序号 Item 项目 Test Condition 测试方法 Criterion 标准

1 Open-Circuit Voltage 开路电压 The open-circuit voltage shall be measured within

24 hours after standard charge. 标准充电后,24 小时内测量电池的开路电压. ≥4.15V

2 Internal Resistance 内阻(光身电芯) The Impedance shall be measured in an alternating current method after standard charge. 标准充电后,采用交流法测量电池内阻. ≤450mΩ

3 Initial Capacity(Cini) 初始放电容量 Standard charge, and standard discharge. 标准充电后,标准放电测试电池容量. ≥27mAh

4 High Rate Discharge Capacity 高倍率放电容量 Standard charge, and discharge at 54mA(2.0C) down to 3.0V cutoff. 标准充电后,以54mA(2.0C)放电至 3.0V 测试 电池容量. ≥21.6mAh

5 Temperature Characteristics 放电温度特性 Charge: standard charge. Rest: ≥8 hours at required temperature. Discharge: CC, 5.4mA(0.2C), 3.0V cutoff. 标准充电后,在要求的温度下搁置

8 小时以上,然 后以 5.4mA(0.2C)放电至 3.0V. 60℃: ≥25.6mAh 0℃: ≥24.3mAh -20℃: ≥18.9mAh

6 Cycle Life 循环寿命 Charge: CC-CV, 27mA(1C), 4.2V, 1.2mA cutoff;

Discharge: CC, 27mA(1C), 3.0V cutoff;