Item

Parameters

Remark

Rated Capacity

Typical

3500mAh

standard discharge(0.2C)

after standard charge

Minimum

3450mAh

Alternating 

Internal Resistance

≤70mΩ

Nominal Voltage

 3.7V  

mean operation voltage

Voltage at end of Discharge

2.5V

discharge cut-off voltage

Charging at end of Voltage

4.25V

Standard Charge

Constant Current 0.2C Constant 

Voltage 4.25V 0.02C cut-off

charge time:Approx 6.0h

Standard Discharge

Constant Current 0.2C end Voltage 2.5V

Fast Charge

Constant Current 1C Constant 

Voltage 4.25V 0.02C5A cut-off

charge time:Approx 2.5h

Fast Discharge

Constant Current 1C end Voltage 2.5V

Cycle Characteristic

2000times(100%DOD)

4000 times(80%DOD)

7000 times(50%DOD)

the residual capacity is no less 

than 80% of rated capacity at 1C rate.