Fenix ARB-L18-4000U 18650 4000mAh 3.6V Protected Lithium Ion (Li-ion) Button Top Battery with Built-In USB-C Charging Port

Fenix ARB-L18-4000U

USB-C Rechargeable 18650 Battery

If you're looking for simple recharging in an 18650 battery, look no further than the Fenix ARB-L18-4000U! The ARB-L18-4000U includes a built-in USB-C charge port for easy and fast recharging every single time. Choose to recharge via wall chargers, power banks, laptops, and more to conveniently charge at home, work, or while you're on the go.

High Capacity and Protected

This 18650 battery has a capacity of 4,000mAh to retain plenty of power and offer reliable runtimes every time. This battery has 3 sets of overheating protections internally; pressure relief valve protection, separate microporous protection, and PTC cathodal block protection. It sports over-discharge, overcharge, and short-circuit protections. This ensures your safety, as well as the battery and other electronics you pair with it. It has a maximum charging current of 7A and 3.6 Volts, delivering reliable power flow to many compatible flashlights or other electronics.