Fenix ARB-L21-5000U USB-C Rechargeable 21700 Battery
Fenix 5000mAh USB-C rechargeable 21700 battery with built-in charging port. Delivers reliable power for high-drain tactical flashlights and outdoor gear with extended runtime.
High-Capacity Rechargeable Power for Demanding Applications
The Fenix ARB-L21-5000U is a premium 21700 lithium-ion rechargeable battery engineered for serious users who demand reliable, extended runtime from their tactical flashlights and portable gear.
Key Features
- 5000mAh capacity delivers extended runtime for high-drain applications
- Built-in USB-C charging port eliminates the need for a separate charger
- Quick recharge capability using any standard USB-C cable
- 3.6V nominal voltage compatible with most modern tactical flashlights
- Durable construction rated for repeated charge cycles
Why It Matters
When you're in the field—whether hunting, tactical training, or emergency preparedness—battery failure is not an option. The Fenix ARB-L21-5000U provides the capacity and reliability you need for extended operations. The integrated USB-C port means you can top off your battery anywhere you have USB-C power available: your vehicle, a portable power bank, or a wall outlet.
This is the battery for users who understand that quality power management is part of professional gear selection.
Features
- 5000mah battery capacity
- 3.6v, usb-c port built into battery
- up to 500 charge cycle lifespan
