No.

Items

Test Method and Condition

Criteria

1

Standard Charge

Charging the cell initially with constant current at 1C and then with constant voltage at 3.65V till charge current declines to 0.05C.

N.A.

2

Rated Cap 0.2C

Capacity measured with discharge current of 0.2C with 2.0V cut-off voltage after the standard charge.

³3300mAh

Rated Cap 0.5C

Capacity measured with discharge current of 0.5C with 2.0V cut-off voltage after the standard charge.

³3250mAh

Rated Cap 1C

Capacity measured with discharge current of 1C with 2.0V cut-off voltage after the standard charge.

³3200mAh

Rated Cap 2C

Capacity measured with discharge current of 2C with 2.0V cut-off voltage after the standard charge.

³3200mAh

Rated Cap 3C

Capacity measured with discharge current of 3C with 2.0V cut-off voltage after the standard charge.

³3200mAh

3

Cycle Life

Test condition：

Temperature: 23± 5°C

Charge: 1C CC to 3.65V, and CV to 0.05C cut off

Discharge: 1C discharge to 2.0V

80% or more of 1^st cycle capacity at 1C discharge of operation

³ 2000 times

4

Storage

Performance

Battery cell stored at 25°C with 50% SOC

1Month

3Month

6Month

Cap Retention

90%

85%

80%

Cap Recovery

95%

90%

85%

5

Initial Impedance

Internal resistance measured at AC 1KHz after 50% charge

£ 20mohm

6

Cell Voltage

As of shipment

3.3V ~ 3.4V