18650 li ion rechargeable battery pack 18650 7.4v

Rated Capacity

Typical

1500mAh

standard discharge(0.2C)

after standard charge

Minimum

1450mAh

Alternating 

Internal Resistance

≤70mΩ

Voltage at end of Discharge

2.5V

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

Constant Current 0.2C end Voltage 3.0V

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.

Maximum Continuous

 Discharge Current

2C

pulse discharge current: 5 C

Operation Temperature Range

Charge:0~55℃

Discharge:-20~60℃

60±25%R.H. bare battery

Storage Temperature Range

Less than 1 year:-20~25℃

Less than 3 months:-20~45℃

60±25%R.H. at the shipment