High-performance rechargeable battery
With a large capacity of 4000 mAh, the Lithium-Ion battery type 18650 – Fenix ARB-L18-4000U – provides long battery life for the most powerful lamps and devices.
Multiple protections
Its riveted steel casing, gas release vents, and integrated electronic protection ensure safe use.
The battery charges directly via its USB-C port.
It can also be recharged using chargers such as the Fenix A2/A4/D1/D2 or directly in the flashlight or device equipped with a suitable charging port.
Technical specifications
- Capacity: 4000 mAh
- Nominal voltage: 3.6V
- USB-C charging port
- Can also be charged directly in a device or in a suitable charger
- Protected against short circuits, overcharging, and overvoltage
- Full charge time: approx. 3.5 hours
- Retains 70% of its capacity after 500 cycles
- Dimensions: diameter 18.75 mm, length 72 mm
- Weight: 55 g
Included in packaging
- Accu ARB-L18-4000U
