Fenix Li-Ion Akku ARB-L21

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Product details

The Fenix ARB-L21-6000 is a powerful, rechargeable 21700 Li-Ion battery that can be charged via a standard USB Type-C port. It can also be used as a power bank. This compact battery offers a capacity of 6000 mAh. The stable output current and thermal performance help effectively prevent overheating issues. A properly maintained ARB-L21-6000 battery retains up to 75% of its original capacity even after 500 full charge and discharge cycles. The three battery status indicators at the positive terminal provide real-time updates on the battery status.

Model: ARB-L21-6000
Voltage: 3.6 V
Max. Discharge Current: 10 A
Capacity: 6000 mAh
Weight: 80 g
Size: 22 x 77 mm
Charging Current: 1.2 A (recommended); 3 A (maximum)

The battery is compatible with: Fenix HT18R, HT32, TK17, TK22R, TK30R, WF25RM, LR36R, CL27R, LD45R, PD45R ACE, PD40R V3.0, PD36R V2.0.

Key specifications

Accessory type
Torch spare battery
Battery size
21700
Item number
59410164

General information

Manufacturer
Fenix
Category
Flashlight accessories
Manufacturer no.
ARB-L21-6000B
Release date
18.6.2025
Sales rank in Category Flashlight accessories
8 of 529

Flashlight accessory properties

Accessory type
Torch spare battery

Battery properties

Battery type
Li-ion
Battery size
21700
Voltage
3.60 V
Capacity
6000 mAh
Power capacity
21600 Wh

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1 piece

Product dimensions

Width
2.20 cm
Length
7.70 cm
Height
7.70 cm
Weight
80 g

Package dimensions

Length
10 cm
Width
6 cm
Height
3.50 cm
Weight
97 g

30-day right of return
24 Months Warranty (Bring-in)
2 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Flashlight accessories» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Ledlenser
    0.1 %
  • 2.Fenix
    0.3 %
  • 3.Nitecore
    0.4 %
  • 3.Olight
    0.4 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Fenix
    Not enough data
  • Emos
    Not enough data
  • Ledlenser
    Not enough data
  • Maglite
    Not enough data
  • Nitecore
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Flashlight accessories» category returned?

Source: Digitec Galaxus
  • 3.Maglite
    1.2 %
  • 4.Nitecore
    2 %
  • 5.Fenix
    2.5 %
  • 6.Ledlenser
    2.7 %
  • 7.Varta
    4.5 %
Source: Digitec Galaxus