Rechargeable Li-ion battery
The Fenix ARB-L18-3400 is a high-capacity 18650 Li-ion battery with a built-in anode protection circuit.
This circuit protects against short circuits, excessive charging/discharging and overheating.
The battery is also equipped with decompression ports that release residual gases in the event of an internal short circuit, thus preventing any risk of explosion.
With a voltage of 3.6 V and a capacity of 3400 mAh, it is compatible with most lamps that use an 18650 battery.
Included in packaging
- ARB-L18-3400 Rechargeable battery.






