Fenix ARB-L18-3500U 3500mAh 18650 Li-ion direct Micro USB rechargeable Battery

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!!FeaturesFenix ARB-L18-3500UmAh USB Rechargeable 18650 BatteryMicro USB charging port lets you charge the battery directlyButton Top DesignProtection 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