Fenix ARB-L21-5000U 21700 battery with USB-C-port, 5000 mAh

The Fenoh geix ARB-L21-5000U 21700 Li-Ion battery is extremely practical and powerful. With a capacity of 5000 mAh this battery has definitely got enough power. This battery is enhanced with a USB-C port, with it you can easily plug the USB-cable directly into the battery. As such you don't have to put it in a charger. A unique function! The control light tells you if the battery is fully charged.

A 21700 Li-Ion battery is twice as powerful as a regular 18650/2300mAh battery. But please note: a 21700 battery doesn't replace the 18650 battery. This ARB-L21-5000 battery can only be used in various flashlights that were specifically designed for this type.

Tip when using the Fenix ARB-L21-5000U

Some people say: 'I take good care of my batteries, I charge them as little as possible!' In the case of Lithium Ion batteries that is not the right thing to do. These batteries will last a whole lot longer if you charge them on a regular basis.