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Fenix Li-Ion 18650 rechargeable battery, 4 000 mAh

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By courier to your home Express courier delivery GLS Express courier delivery DPD
Delivery method on Thursday 22.01.2026
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At collection points
Delivery method on Thursday 22.01.2026
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Extended return option up to 100 days More info
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Fenix ​​Li-Ion 18650 rechargeable battery

The top-of-the-line Fenix ​​Li-Ion 18650 rechargeable battery with a capacity of 4,000 mAh is an ideal choice for powering LED flashlights, headlamps and other equipment. Thanks to protective electronics and internal safety mechanisms, it offers maximum safety and a long service life. It has no memory effect and does not self-discharge. It is compatible with many Fenix ​​devices.

Warning
  • If you are using an older charger purchased before 2014, first check whether it can accommodate batteries with a length of 69 - 70 mm.
  • If possible, do not discharge the battery below 2.5 V
  • Do not short-circuit the battery (do not connect the poles of the cell with a wire)
  • Do not throw the battery into fire or water
  • Never insert the battery into the charger upside down (opposite polarities)
  • When using the accumulator, pay attention to the safety principles
  • Use only an adequate charger supporting Li-ion batteries
Product features
Built-in protection electronics against overcharge, overdischarge, short circuit and high current draw
Internal PTC overheating protection and explosion-proof valve
No memory effect and self-discharge
Suitable for a wide range of Fenix ​​LED lights, headlamps and bicycle lights
Long service life and high safety of use
Product details
Recommended chargers Fenix ​​ARE-A2 charger
Fenix ​​ARE-A4 charger
Fenix ​​ARE-D1 USB charger
Fenix ​​ARE-D2 USB charger
Mini USB charger MC1
USB charger SC1
FC2 Dual-Channel USB Charger
USB charger Lii-100
Lii-500S charger
VC8 eight-channel USB charger
SkyRC MC3000
Voltage 3.6 V
Range 4,000mAh.
Max. current consumption 7 A
Max charging current 4 A
Dimensions 18.75 mm (diameter) x 69.2 mm (length)
Package contents one piece of battery
product ID 294151
Product rating  (45 ratings)
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Fenix is a recognized brand in the field of lighting, known for their high-quality and reliable products. Founded in 2004, Fenix has built a solid reputation for manufacturing a wide range of flashlights, headlamps, lights, and other lighting solutions for a variety of outdoor, tactical and everyday uses. With their commitment to innovation, durability and reliability, Fenix has become a trusted name in the lighting industry.

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