Fenix 18650 USB Rechargeable 3500 mAh Li-ion Protected Battery

Fenix ARB-L18-3500U is a premium quality high capacity 18650, 3500 mAh Lithium-ion battery specifically designed for high intensity torch use and is the perfect companion for all Fenix 18650 powered lights. As well as being able to charge in a battery charger (Fenix charger recommended) the ARB-L18-3500U has an additional feature that sets it apart from standard 18650 batteries as it has a built-in micro USB charging port in the top of the battery. Using a standard Micro USB charging cable this battery can be easily charged up which is not only convenient but can also save money on buying a separate charger. A charging indicator will glow red once the charging cable is plugged in and connected to power to show charging is in progress and it will turn blue once charging is complete. NOTE: Please check the dimensions of your intended application before purchasing, as the slightly increased length and diameter of these batteries means that they may not fit some older products.