Long-life Lithium-Ion battery

With a capacity of 5000 mAh, the ARB-L21-5000 V2.0 type 21700 rechargeable battery provides long runtime for the most powerful Fenix headlamps.

Its riveted steel shell, gas decompression vents and integrated electronic protections guarantee safe use.

The Fenix ARB-L21-5000 V2.0 retains up to 75% of its original capacity after 500 complete charge and discharge cycles.

Technical specifications

Nominal voltage: 3.6V

Capacity: 5000 mAh

Power: 18Wh

Recommended chargers

220V: Fenix ARE-A2 / Fenix ARE-A4

USB: Fenix ARE-D2 / Fenix ARE-D1