Fenix ARB L21 5000U USB Rechargeable 21700 Li-ion Battery

Sale price$39.99 CAD


Fenix ARB-L21-5000 is a high-capacity 21700 Li-ion rechargeable battery built for more power and longer run times. Additional features include a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. Pressure relief vents which expel waste gas in the rare case of an internal short circuit preventing an explosion. Battery capacity up to 5000mAh. 500 charging cycles. Currently recommended for the HT18, PD36R, TK22 V2.0, and TK22 UE.  The TK22 V2.0 and TK22UE require a charger to charge the battery. 


  • New 21700 battery type
  • 5000mAh high capacity
  • Protection circuitry to prevent short circuits
  • Pressure vents to prevent explosions
  • 500 charge cycles
  • Currently recommended for the PD36R, TK22 V2.0, and TK22 UE.

Capacity : 3.6V
Charging Current : Recommended 1A, maximum 5A
Weight : 2.6 ounces (72.5g)
Size : Length: 2.99″ ( 76 mm) Diameter : 0.85″ (21.5 mm)
Warranty Period : 12 month from date of purchase

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