Li ion LG 18650 HE4 2500mAh 20A rechargeable battery

Item

Parameters

Remark

Model

18650/HE4

Rated Capacity

2500mAh

standard discharge(0.2C)
after standard charge

Nominal Voltage

3.7V

Voltage at end of Discharge

2.75V

discharge cut-off voltage

Charging at end of Voltage

4.20V

Standard Charge

Constant Current 0.2C Constant 
Voltage 4.20V 0.02C cut-off

charge time:Approx 6.0h

Standard Discharge

20A

Fast Charge

Constant Current 1C Constant 
Voltage 4.20V 0.02C5A cut-off

charge time:Approx 2.5h

Fast Discharge

Constant Current 1C end Voltage 3.0V

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