Fenix ARB L18 3500U button battery - Yellow / Black (Black)

The biggest and baddest 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!! Specifications: - Fenix ARB-L18-3500UmAh USB Rechargeable 18650 Battery - Micro USB charing 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.