项目Items

标准Standards

备注Remarks

1.容量Capacity

标称容量Typical

20Ah

CC/CV,0.5C5mA Discharge

最小容量Minimum

19.5Ah

CC/CV,0.5C5mA Discharge

2.标称电压Nominal Voltage

3.2V

3.内阻Internal Resistance

≤4mΩ

交流AC, 1 kHz, Full Charged

4.电池重量Battery Weight              

560g±15 g

5.充电方法

Battery Charge

标准充电

Standard Charge

0.5C

2.5小时(CC/CV,参考4.2)

2.5hrs(CC/CV, Refer to 4.2)

快速充电

Quick Charge

1C

1.5小时(CC/CV，参考4.3)

1.5hrs(CC/CV, Refer to 4.3)

6.恒流充电终止电压

CC Charge Cut-off Voltage

3.65±0.05V

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7.放电

Discharge

标准放电Standard Discharge

10A, 2.00V

0.5C恒流放电CC discharge@0.5C5mA

最大放电Maximum Discharge

40A, 2.00V

2C恒流放电CC Discharge@2C5mA

8.脉冲放电8秒Pulse Discharging 8 seconds

100A

5C@25℃

9.充电特性Typical Charge Characteristics

10.倍率放电特性

Discharge Characteristics at Different Current

11.循环寿命

Cycle Life

大于1200次

>1200times

具体见5.6节

Refer to 5.6

12.温度放电特性

Discharging Curve at Different Temperature

13.使用温度范围Operating

Temperature

Range

充电温度范围

Charging Temperature

0℃～45℃

环境温度(电池表面温度必须小于65℃)

Environment temperature(battery surface temperature must be less than65℃)

放电温度范围Discharging Temperature

-20℃～60℃

环境温度(电池表面温度不超过80℃)

Environment temperature(battery surface temperature not to exceed80℃)

存储温度范围

Storage Temperature

-10℃～60℃

建议长期储存的温度范围是0~35℃

recommended long-term storage

 temperature is 0~35℃

14.存储寿命Storage Life

一年

One year

装运的常用值Nomal shippment

15.外观Appearance

无变形、污迹、电解液泄露等

No deformations, stains, or electrolyte leakages