Fenix ARB-L21-5000 V2 – 5000mAh Rechargeable 21700 Li-ion Battery

The Fenix ARB-L21-5000 V2 Rechargeable 21700 Battery offers 5000mAh of capacity and up to 500 charging cycles, ensuring long-lasting, dependable performance. Designed with multiple protection systems, including overcharge, over-discharge, short-circuit, and overheat protection, it’s built for safety and durability.

This battery is constructed with a steel shell riveting process and includes advanced safeguards such as pressure relief valves, microporous layers, and PTC cathodal protection. Perfect for powering today’s high-output 21700 flashlights, the ARB-L21-5000 V2 ensures you’ll never be left in the dark.

Note: This battery does not feature onboard USB charging and is not compatible with 18650 flashlights.

Key Benefits

• High Capacity: 5000mAh for extended runtimes

• Long Life: Up to 500 charging cycles

• Advanced Safety: Multiple protection layers prevent overheating and damage

• Reliable Build: Steel shell riveting for maximum durability

• Designed for 21700 Lights: Provides the power needed for high-lumen flashlights

Specifications