1

Standard Charge

标准充电

Charging the cell initially with constant current at 0.2C and then with constant voltage at 8.4V till charge current declines to 0.02C

先用0.2C恒流充电至4.2V，再恒压4.2V充电直至充电电流≤0.02C

2

Rated Capacity

初始容量

The capacity means the discharge capacity of the cell, which is measured with discharge current of 0.2C with 2.75V cut-off voltage after standard charge.

该容量是指标准充电后，0.2C放电至2.75V截止电压所放出的容量。

≥4400mAh

3

Cycle Life

循环寿命

Test condition：

Charge:0.5C to 4.2V

Discharge:0.5C to 3.0V

70% or more of 1^stcycle capacity at 0.5C discharge of Operation

测试条件：

  充电：0.5C充电到4.2V

  放电：0.5C放电到3.0V

当放电容量降至初始容量的60%时，所完成的循环次数定义为该电芯的循环寿命

≥500

4

Self-discharge

自放电

After the standard charging, storied the cells under the condition as No.4.4 for 30 days, then measured the capacity with 0.2C till 2.75V

标准充电后，在No.4.4条件下贮存30天，再以0.2C放电至2.75V所放出的容量。

Residual capacity >90%

剩余容量>90%

5

Initial impedance

初始内阻

Internal resistance measured at AC 1KHz after 50% charge半充状态下，测量其AC 1KHz下的交流阻抗

≤120mW

6

BATtery Voltage

电池电压

As of shipment.

出货状态

3.7V~4.0V

7

Temperature

Characteristics

温度性能参数

1. According to item 4.1.1, at 23±5℃.

2. Capacity comparison at each temperature, measured with constant discharge current 0.2C with 5.5V cut-off.Percentage as an index of the capacity compared with 100% at 23℃

1.在23±5℃条件下，用4.1.1方法将电芯充电。

2.在不同温度条件下，用0.2C的电流恒流放电至截止电压5.5V。以23℃时放电容量为基准计算百分比。

-10℃: ≥70%

23℃: 100%

60℃: ≥90%

8

Storage

Characteristics

贮存性能参数

1. According to item 4.1.1,at 23±5℃.

2. The battery shall be stored at 60±5℃ for 7days and rested at room temperature for 1 hour then measured with constant discharge current 0.2C with 5.5V cut-off.

1.在23±5℃条件下，用4.1.1方法将电芯充电。

2.将电池在60±5℃条件下贮存7天，然后在常温下静置1小时，用0.2C的电流恒流放电至5.5V截止电压。

RetAIned Capacity

≥85%