Fenix USB ARB-L18 18350 with a capacity 1600 mAh allows for reliable and stable power supply. Thanks to the appropriate design, it maintains up to 75% of its original capacity of up to 500 full charging and discharge cycles. It is compatible with Fenix products requiring ARB-L18-1100 batteries, such as GL23R, TK05R, GL19R V2.0 and others.