SureFire 18350 Li-Ion Rechargeable Battery

Features & Specifications:
High-performance 3.7V 18350 lithium ion rechargeable battery with MICRO-USB port for ease of charging – no charging cradle needed
When plugged into a power source, two LED indicators display the current charge state: Red for charging and Green for fully charged
1,100 mAh for extended battery runtime
8-10A discharge rate for dependability in high drain devices such as LED flashlights