Type:    3.7V 10440 Rechargeable Lithium Li-ion Mod Battery

Normal Voltage: 3.7V 

Normal Capacity: 750mWh/500mAh 

Size: 10*44mm

Battery top: button top 

Material: Lithium Li-ion ICR 

Recharging cycles: At least 500cycles 

Appliations:LED Flashlight, headlamp, mechanical mod, torch, headlight,vape, and so on