Fenix ARB-L18-4000U

75Ratings
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Product details

High-Performance 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 casing, gas outlet vents, and built-in electronic protection mechanisms ensure safe operation.

The battery is charged directly via its USB-C port.

It can also be charged with compatible chargers, such as the FENIX ARE A2/A4 and ARED1/D2 chargers, or directly in the lamp or device if it is equipped with a charging port.

Product Data

Nominal Voltage: 3.6V
Capacity: 4000 mAh
Dimensions: Diameter 18.75 mm, Length 72 mm
Weight: 55 g.

Key specifications

Accessory type
Torch spare battery
Battery size
18650
Item number
59919783

General information

Manufacturer
Fenix
Category
Flashlight accessories
Manufacturer no.
ARB-L18-4000U
Release date
2.7.2025
Sales rank in Category Flashlight accessories
60 of 622

Material

Material group
Metal
Material
Riveted steel housing

Flashlight accessory properties

Accessory type
Torch spare battery

Battery properties

Battery type
Li-ion
Battery size
18650
Voltage
5 V
Capacity
4000 mAh
Power capacity
20 Wh

Voluntary climate contribution

CO₂-Emission
Climate contribution

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
60 g

30-day right of return
24 Months Warranty (Bring-in)
7 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
  • 2.Emos
    1.5 %
  • 3.Nitecore
    2.1 %
  • 4.Fenix
    2.5 %
  • 4.Olight
    2.5 %
  • 6.Ledlenser
    2.6 %
Source: Digitec Galaxus