|Over output voltage protection||3.0V|
|Over input voltage protection||4.2V|
|IC electrical loss||3.0V/3uA|
|Charging Temperature||0°C to 45°C|
|Discharging Temperature||-20°C to 60°C|
|Storage Temperature||-20°C to 45°C (within 1month)|
|-20°C to 40°C(within 3month)|
|-20°C to 35°C(within 6month)|
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