Item of Efan battery

Condition/Note

Specification

18650-2500mAh battery

Nominal Capacity

2500mAh

Norminal Voltage

3.7V

Standard charge

constant current

0.2C

constant voltage

4.2V

end current(cut off)

100mA

IMR battery fast charge

constant current

1C

constant voltage

4.2V

end current(cut off)

100mA

Standard discharge

constant current

20A

end voltage(cut off)

2.5V

Fast discharge

end voltage(cut off)

2.5v 

Maximum discharge Current

pulse current

35A

3.7V 18650 battery weight

approximate

46.5g

Operating temperature  

charge

0-45 °C

discharge

-10-65 °C

Storage temperature   

1 month

-10-45 °C

6 months

-10-35 °C

1 year

-10-30 °C

Efan battery dimention (Diameter & Height)

D18.2±0.2mm

H64.85±0.2mm