This 18350 battery features IMR technology to prevent battery overheating. The battery is 800mAh 3.7V Lithium-Magnesium.  These batteries are sold individually.  

**These batteries can be very dangerous if not handled correctly. Please read our Battery Safety page for some great info on how to handle and store these batteries correctly. USE AT YOUR OWN RISK. 

In The Box:  
1 Efest IMR 800mAh 18350 High Drain Rechargeable Battery