The Fenix ARB-L18-2600 18650, 2600mAh Lithium – ion battery is specifically designed for high intensity flashlight use and is the perfect companion for all current Fenix 18650 powered lights.

ARB-L18-2600 battery features:

High capacity (2600mAh), great reliability and compact design
Triple overheat protection for safety and reliability
Built-in overcharge and over discharge protection
Built-in front and rear circuit board protectors for impact resistance
Protruding positive contact allows use in series