Fenix ARB-L21-6000B battery with yellow casing on a black background
Fenix ARB-L21-6000B USB-C bidirectional charging Li-ion battery on a dark background with lightning effects.
Fenix battery with 6000mAh capacity on a dark background
Two batteries with protective features highlighted on a dark background
Fenix ARB-L21-6000B battery technical parameters chart
Fenix battery with 6000mAh capacity on a black background
Fenix ARB-L21-6000B battery on a black background
Fenix ARB-L21-6000B battery with yellow casing on a black background
Fenix ARB-L21-6000B USB-C bidirectional charging Li-ion battery on a dark background with lightning effects.
Fenix battery with 6000mAh capacity on a dark background
Two batteries with protective features highlighted on a dark background
Fenix ARB-L21-6000B battery technical parameters chart
Fenix battery with 6000mAh capacity on a black background
Fenix ARB-L21-6000B battery on a black background

Fenix ARB-L21-6000B Rechargeable Powerbank Battery

$29.95
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Shipping calculated at checkout.
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  • Backed by the Fenix Limited Lifetime Warranty
  • In stock, ready to ship
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compatible accessories

The Fenix ARB-L21-6000B Rechargeable Powerbank Battery offers a high-capacity 6000mAh energy reserve within a compact 21700 battery format. It supports efficient USB-C charging and not only powers your 21700 battery flashlights but can also serve as a power source for other USB-C devices using only the included USB type C cable.

COMPATIBLE WITH Fenix HT18R, HT32, TK17, TK22R, TK30R, WF25RM, LR36R, CL27R, LD45R, PD45R ACE, PD40R V3.0, PD36R V2.0. 
The list of compatible models may change in the future.

Shipping Note: Lithium ion batteries are considered "dangerous goods" per US transportation regulations and can often only be transported via ground shipment. Orders containing loose batteries will typically take much longer than predicted to be delivered. Delivery times of 14+ days are common. 

  • Priced per battery
  • 6000mAh battery capacity
  • USB-C port built into the battery directly
  • Battery can be recharged or discharged via the same port
  • Recharge your other USB-C devices with this one!
  • Multiple protective circuits
  • 500-charge-cycle lifespan
  • Steady voltage for constant power
  • Leak-proof and explosion-proof
  • Fenix ARB-L21-6000B Rechargeable 6000mAh 21700 battery (Qty 1)
  • Fenix USB Type C cable