SDS

A&S Power Technology Co., Ltd.
MODEL
A&S 702040
VER
1.0
PAGE
- 6 -/17
SPEC NO.
AS-702040-500-113
File No.
2.0748
DATE
2023-04-18
Rm. 1312 A Block, Weidonglong Business Building, No. 2125 Meilong Rd., Longhua, Shenzhen, China.
Tel：[phone] Fax：[phone]
www.szaspower.com [e-mail]
5.2.2 Voltmeter 万用表
Standard class specified in the national standard or more sensitive class having inner impedance
more than 10 MΩ
应使用国家标准规定的标准级或内部阻抗大于 10mΩ 的更灵敏级.
5.2.3 Ammeter 安培表
Standard class specified in the national standard or more sensitive class. Total external resistance
including ammeter and wire is less than 0.01Ω.
应使用国家标准中规定的标准级或更灵敏级。总电阻(包括电流表和导线)应小于 0.01Ω。
5.2.4 Impedance Meter 阻抗法
Impedance shall be measured by a sinusoidal alternating current method (1kHz LCR meter).
内阻测试仪测量方法为交流阻抗法（1kHz)
5.3 Standard Charge 标准充电
0.2CmA=100mA
Full charge condition: Constant current 0.2CmA to 4.2V, Constant voltage 4.2V to 0.01C , Approx
6hours, in all at 25±2℃.
满充条件：在 25±2℃温度下,以 0.2CmA 恒流充电到 4.2V,再以 4.2V 恒压充电至截止电流 0.01C,整个
过程约 6 小时。
5.4 Rest Period 搁置
Unless otherwise defined, 30min, rest period after charge, 30min, rest period after discharge.
除非另有说明，每次充放电中间需要 30 分钟的间隔。
5.5 Initial Performance Test 初始性能测试
Item 项目
Measuring Procedure 测试条件
Requirements 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 小时内测试开路电压
≥4.15V
2.AC Impedance
Resistance
内阻
The Impedance shall be measured in an alternating
current method (1kHz LCR meter) after standard charge
at 25±2℃.
在 25±2℃条件下标准充电后，用交流阻抗法测试内阻
≤280mΩ
3.Minimum
Capacity
最小容量
The capacity on 0.2CmA discharge shall be measured
after standard charge at 25±2℃(specified C5).
在 25±2℃条件下标准充电后,0.2CmA 放电测试容量
(该容量定义为 C5 )
C5≥480mAh