Fenix ARB-L18U 18650 3500mAh 3.6V Protected Lithium Ion (Li-ion) Button Top Battery with Micro USB Charging Port - Clam Shell

Fenix ARB-L18-3500U

USB Rechargeable 18650 Li-ion Battery

The Fenix ARB-L18-3500U is a Li-ion 18650 battery with the power and flexibility you need to keep your favorite Fenix flashlights powered up wherever you go. This high-capacity energy source is capable of being charged in either a standard charger or directly via USB thanks to a Built-in Micro USB Port! So anywhere you have a desktop, laptop or other USB power source you can charge this powerful battery. The ARB-L18-3500U features a standard 3.6 Volt output as well as high capacity with 3500mAh. The battery is outfitted with a PCB unit that regulates both power and charging, so there is no need to worry about overcharging or discharging.