- Product Code: 6942870369358
- EAN: 6942870369358
Fenix ARB-L21-5000U 5000 mAh 21700 USB is a rechargeable Li-ion battery for Fenix lights and other compatible devices. It is designed for users who need a reliable, protected and long-lasting power source for outdoor, work and hobby use.
Key model-specific details include capacity 5000 mAh, protection overcharge, over-discharge, short-circuit and overheating protection.
The battery is a practical spare power source for longer trips, work shifts and hunting days. The protected structure supports safe use, and keeping a spare battery available reduces interruptions when the light is used regularly or for long periods.
Fenix ARB-L21-5000U 5000 mAh 21700 USB - Features:
- Type: rechargeable Li-ion battery
- Battery size: 21700
- Capacity: 5000 mAh
- Nominal voltage: 3,6 V
- Protection: overcharge, over-discharge, short-circuit and overheating protection
- Construction: protected battery with steel protection structure
- Charging port: USB-C charging port
- Charging current: USB-C-lataus or yhteensopiva Fenix-latauslaite
- Compatible chargers: Fenix ARE-A2, ARE-A4, ARE-D1 and ARE-D2
- Note: not compatible with 18650 lights or older chargers
Summary: Fenix ARB-L21-5000U 5000 mAh 21700 USB is a practical and carefully specified product for users who need reliable Fenix equipment in its intended use. Its model-specific construction, power solution and compatible accessories make it suitable for regular outdoor, work and hobby use.
Recommended use: Suitable for users who need a reliable Fenix product for its intended purpose. Check model compatibility, battery type and mounting requirements before use.
Product text updated 13.8.2026.
