Fenix ARB-L18-4000U

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Product details

High-performance rechargeable battery. With a large capacity of 4000 mAh, the 18650 ARB-L18-4000U battery offers a long operating time for the most powerful devices. Multiple safety features. The riveted steel housing, the gas vents and the built-in electronic protection devices ensure safe operation. The battery is charged directly via its USB-C port. It can also be charged with suitable chargers, e.g. with the FENIX ARE A2/A4 and ARED1/D2 chargers or directly in the lamp or device if it is equipped with a charging port. Nominal voltage: 3.6V. Capacity: 4000 mAh. Dimensions: Diameter 18.75 mm, length 72 mm. Weight: 55 g.

Key specifications

Material group
Metal
Accessory type
Torch spare battery
Battery size
18650

General information

Item number
59919783
Manufacturer
Fenix
Category
Flashlight accessories
Manufacturer No.
ARB-L18-4000U
Release date
2.7.2025
Sales rank in Category Flashlight accessories
7 of 589

Colour

Colour
Black

Material

Material group
Metal
Material
Steel

Flashlight accessory properties

Accessory type
Torch spare battery

Battery properties

Battery type
Li-ion
Battery size
18650
Battery voltage
3.60 V
Capacity
4000 mAh
Power capacity
20 Wh

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
0.17 kg
Climate contribution
CHF 0.11

Scope of delivery

Scope of delivery
1 piece

Product dimensions

Width
1.87 cm
Length
7.20 cm
Height
7.20 cm
Weight
55 g

Package dimensions

Length
9 cm
Width
6.70 cm
Height
3.60 cm
Weight
65 g

30-day right of return
24 Months Warranty (Bring-in)
3 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
  • 2.Emos
    0.3 %
  • 2.Varta
    0.3 %
  • 4.Fenix
    0.4 %
  • 4.Nitecore
    0.4 %
  • 6.Olight
    0.6 %

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
  • 1.Ledlenser
    0 days
  • Emos
    Not enough data
  • Klarus
    Not enough data
  • Nitecore
    Not enough data

Return rate

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

Source: Digitec Galaxus
  • 1.Varta
    0 %
  • 2.Fenix
    2.7 %
  • 2.Klarus
    2.7 %
  • 4.Nitecore
    2.9 %
  • 5.Ledlenser
    3.1 %
Source: Digitec Galaxus