|Rated Capacity||Typical||4000mAh||standard discharge(0.2C)
|Nominal Voltage||3.7V||mean operation voltage|
|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|
|the residual capacity is no less
than 80% of rated capacity at 1C rate.
|3C||pulse discharge current: 5 C|
|Operation Temperature Range||Charge:0~55℃
|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|
Do not submerge the battery in the water.
Do not mix fresh batteries with used batteries.
Do not mix batteries with metal stuff together.
Do not insert batteries with the (+) and (-) reversed.
Do not use Efest batteries with defective E-cig mods.
Do not disassemble, dispose in fire, heat or short circuit.
Do not put the battery in a charger or equipment with wrong terminals connected.