Description
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
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High Capacity: 5000mAh for extended runtimes
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Long Life: Up to 500 charging cycles
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Advanced Safety: Multiple protection layers prevent overheating and damage
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Reliable Build: Steel shell riveting for maximum durability
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Designed for 21700 Lights: Provides the power needed for high-lumen flashlights
Specifications
| Feature | Details |
|---|---|
| Brand | Fenix |
| Model | ARB-L21-5000 V2 |
| Battery Type | 21700 Li-ion |
| Capacity | 5000mAh |
| Voltage | 3.6V |
| Recharge Cycles | Up to 500 |
| Max Current | 7.5A |
| Charging Current | 1A recommended, 5A max |
| Safety Features | Overcharge, over-discharge, short-circuit, overheat protection |
| Construction | Steel shell riveting with pressure relief, microporous, and PTC cathodal protection |
| Direct USB | No onboard USB charging |
| Compatibility | Fenix 21700 flashlights & ARE-A2, ARE-A4, ARE-D1, ARE-D2 chargers |
| Dimensions | Height: 2.99" Diameter: 0.85" |
| Weight | 2.56 oz |