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Fenix ARB-L21-5000 V2.0 - 21700 battery 5000mAh
  • 21700 Li-Ion battery with 5000mAh capacity
  • Rechargeable, supports up to 500 charge cycles
  • Multiple protection circuits for safety and optimum performance
  • Robust steel housing with rivet technology to protect against damage
  • Pressure relief valves quickly vent internal gases
  • Ideal for outdoor equipment such as flashlights, headlamps and more
  • Long runtime for extended outdoor adventures
  • High-quality materials for durability and reliability
  • Dimensions: 76 x ø21.5 mm / Weight: 72 g

27.90 CHF
incl. 8,1% VAT , plus Shipping (Paket)
Available immediately
Deliverydate: 03.10.2026 - 07.10.2026
pcs.
Description

Fenix ARB-L21-5000 V2.0 - Your reliable power source for longer lighting times

Imagine you are exploring a narrow forest path at sunset. The light of your flashlight is your only companion as dusk slowly fades into deep darkness. It is precisely at times like these that you want to be able to rely on the endurance and reliability of your lighting - and this is where the Fenix ARB-L21-5000 V2.0 21700 Li-Ion rechargeable battery comes into play. Available at Swiss-Sale.ch, your expert for high-quality outdoor equipment, this battery is the perfect solution for anyone who wants maximum performance and safety.

Powerful and durable for more freedom

With an impressive capacity of 5000mAh, the Fenix ARB-L21-5000 V2.0 offers a significantly longer runtime than conventional rechargeable batteries. Whether you are going on night-time hikes, planning multi-day trekking tours or working professionally in the rescue and security sector: This high-performance battery provides you with the energy you need to stay on top of things, even in demanding situations. Its 500 charging cycles ensure that you can rely on the consistent quality and reliability of this power source in the long term.

Maximum safety thanks to comprehensive protection

Fenix has left nothing to chance in the development of the ARB-L21-5000 V2.0. The battery has multiple protection circuits that protect against overcharging, deep discharge and short circuits. Furthermore, the steel housing rivet technology provides additional stability and resistance to effectively ward off external damage. Should unusual pressure build-up occur inside, integrated pressure relief valves safely discharge excess gas - for maximum safety and durability.

Consistent performance in every situation

Whether you want to power a powerful flashlight, a headlamp or other outdoor devices, the Fenix ARB-L21-5000 V2.0 21700 rechargeable battery guarantees constant performance even under adverse conditions. This keeps your light source bright and reliable, whether you are camping at night by a remote mountain lake, on adventurous cave expeditions or on an evening run through the forest.

Quality you can count on - from Swiss-Sale.ch

As an outdoor specialist in Switzerland, we know exactly what is important when it comes to high-quality equipment: reliability, safety and a long service life. With the Fenix ARB-L21-5000 V2.0 Li-Ion battery, you get a premium product backed by years of development work and strict quality controls. Invest in a battery that takes your equipment to the next level and ensures that you can get the most out of every opportunity.

Why the Fenix ARB-L21-5000 V2.0?

  • High performance 21700 battery with 5000mAh capacity
  • Rechargeable, supports up to 500 charge cycles
  • Multiple protection circuits for safety and optimum performance
  • Robust steel housing with rivet technology to protect against damage
  • Pressure relief valves quickly vent internal gases
  • Ideal for outdoor equipment such as flashlights, headlamps and more
  • Long runtime for extended outdoor adventures
  • High-quality materials for durability and reliability
  • Button-top design

Technical data of the Fenix ARB-L21-5000 V2.0 rechargeable battery

  • Brand: Fenix
  • Model: ARB-L21-5000 V2.0
  • Battery type: Li-Ion
  • Battery size: 21700
  • Capacity: 5000 mAh
  • Voltage: 3.6V
  • Energy: 18Wh
  • Charging current: 1A / max. 5A
  • Discharge current: max. 7.5A
  • Charging cycles: approx. 500
  • Dimensions: 76 mm × ø21.5 mm
  • Weight: 72 g

More endurance, more safety, more freedom

The Fenix ARB-L21-5000 V2.0 is much more than just a battery - it is your reliable partner when it comes to keeping track of things in the dark. Save time and resources by choosing a long-lasting, safe and high-performance power source. Order now at Swiss-Sale.ch and get ready for your next night-time challenge - always safe in the knowledge that your light will never go out.

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