Description

The biggest and mighty Fenix battery just got upgraded! Please welcome the Fenix Fenix ARB-L18-3500U USB rechargeable li-ion battery! The ARB-L18-3500U battery can be charged by its own USB port and by the charger as well. A protective circuit is built into the anode and covered with a riveted steel hat. The battery is fully covered with the steel shell, thus the potential risk of short circuiting caused by collision or impact is hugely eliminated!!

Features
Fenix ARB-L18-3500UmAh USB Rechargeable 18650 Battery
Micro USB charging port lets you charge the battery directly
Button Top Design
Protection circuit built in the anode with a riveted steel hat. Riveted steel shell eliminates the risk of short circuit caused by collision and impact.
Pressure Relief Vent: Expels waste gas generated by internal short circuit. Expelling waste gas prevents a cell from inflating or exploding.
Three Sets of Over-Heat Protection: Over charge protection, Over discharge protection, Short circuit protection, and overheating protection
500 Charge Cycles: A properly maintained ARBL18 battery is designed to retain up to 75% of its original capacity at 500 full charge and discharge cycles.