Long-life lithium-ion battery

With a capacity of 5000 mAh, the ARB-L21-5000 V2.0 21700 battery provides long-lasting power for the most powerful Fenix lights.

Its riveted steel casing, gas release vents and integrated electronic protection ensure safe use.

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

Technical specifications

Included in packaging

  • ARB-L21-5000 V2.0