The Fenix ARB-L21-5000U battery is a high quality, li-ion, 21700 with a capacity of 5000mAh. The battery has a built-in USB-C port which removes the requirement for a separate external charger.
The battery is compatible with Fenix 21700 powered torches.
To recharge simply plug a USB-C cable (not included) into the battery. The indicator will change from red to blue when fully charged, which takes approximately 4 hours.
Please note: Due to customs restrictions we are unable to send Li-ion batteries outside of the UK. Any orders for these batteries with EU or Worldwide delivery will be cancelled and refunded.
- Capacity: 5000mAh
- Voltage: 3.6V
- Charge by the charger: 1A recommended, 5A maximum
- Charge by its own USB port: 2A
- Maximum output current: 8A
- Weight: 2.56 oz. / 72.5 g
- Height: 2.99" / 76 mm
- Diameter: 0.85" / 21.5 mm