The Fenix ARB-L18-4000 Li-ion battery is a 4000mAh high capacity cell designed for high drain devices such as high intensity flashlights and headlamps, including the Fenix range.

The capacity of the torch provides excellent reliability in a compact design and ensures optimum runtimes when using your device.

The ARB-L18-4000 cell features a built-in protection circuit for damage resistance, triple overheat protection and built-in overcharge and over discharge protection, for safety and reliability.

Please note all orders for individual batteries without a device are sent via Royal Mail 48 Tracked, and not Royal Mail 24 Tracked or Special Delivery. Due to shipping restrictions, we are unable to send power banks to the Outer Hebrides, Scottish Highlands and surrounding areas, Channel Islands and Northern Ireland. Please see our delivery page for further details.