Fenix ARB-L21-6000 Rechargeable Battery
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Cal Fire authorizedL2881 endorsed vendor
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Ship-by-the-poundCapped at $15.99 per order
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In-house embroideryPatches & name tape in Redding, CA
Return policy — the actual rules
- 45 days from purchase. Item must be unworn, unwashed, in sellable condition with tags + receipt.
- Customized items (embroidery, tailoring) are not returnable.
- Boots: require original packaging. 15% restocking fee applies.
- Refunds: 15% restocking fee unless return is due to our error or a defect.
- Exchanges: 5% restocking fee.
- Customer covers return shipping unless it's our error.
The ARB-L21-6000 is a high-capacity 21700 Li-ion rechargeable battery engineered to deliver exceptional power and extended runtimes for your devices. With a massive 6000mAh capacity and a 10A maximum output, this battery ensures your gear stays powered up for longer, even under demanding conditions. Built-in protection circuitry prevents short circuits, overcharging, and overheating, while pressure relief vents ensure added safety. Even after 500 charge cycles, this robust battery maintains 75% of its original capacity, guaranteeing reliable power for years to come.
Please note that the ARB-L21-6000 battery does NOT have the capability of being used as a power bank. �The power bank capability is ONLY available in the ARB-L21-6000B battery
This battery is NOT compatible with lights that use an 18650 battery, and older chargers including the Fenix ARE-A2, ARE-A4 and ARE-X1 2.0. It is compatible with the Fenix ARE-D1 and ARE-D2 chargers.
Additionally, this battery is NOT compatible with the Fenix E35R purchased prior to 2025.
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