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Fenix ARB-L21-5000U USB rechargeable 21700 Li-ion battery

Regular Price: $54.95

Special Price $45.95

Availability: In stock

Only 20 left


72.5g : The Fenix ARB-L21-5000U is high capacity 21700 Li-ion button top USB rechargeable battery. Multiple protection and steel shell riveting technology ensuring good performance and safety. It has a capacity of 5000mAh with a nominal voltage of 3.6V. Designed for high drain devices like torches, flashlights and high powered electronics.


  • TypeButton Top
  • Capacity5000mAh
  • Charging Current:  USB Port 2A / Charger 1A Recommended, 5A Maximum
  • Maximum Output Current: 8A
  • Charging Cycles : 500
  • Wh Rating18Wh
  • Nominal Voltage3.6V
  • Dimensions:
    • Length - 76 mm
    • Body Diameter - 21.5 mm
  • Weight: 72.5 g
  1. To big for my torch review by Steve on 3/11/2020

    This is a great looking battery but did not fit my 21700 battery torch it was a bit to long. It was easy to charge, I was dissapointed it did not fit my torch.

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