Fenix ARB-L21-6000 Rechargeable 21700 Li-ion Battery – 6000mAh

The Fenix ARB-L21-6000 is a premium 21700 rechargeable Li-ion battery engineered to provide exceptional capacity, dependable performance, and long-lasting power for compatible Fenix flashlights and other devices designed for protected 21700 batteries. Featuring a massive 6000mAh capacity, it delivers extended runtimes, making it ideal for high-performance lighting, outdoor adventures, professional use, and emergency preparedness.

Designed with multiple protection circuits, the ARB-L21-6000 offers enhanced safety by helping protect against overcharging, over-discharging, short circuits, and overcurrent. This advanced protection system ensures reliable operation while helping to maximise the battery’s lifespan.

Built with environmental responsibility in mind, the battery contains no mercury or lead, reducing its environmental impact while maintaining the high standards of performance expected from Fenix rechargeable batteries.

The ARB-L21-6000 is engineered for durability and long-term value. After 500 full charge and discharge cycles, it retains up to 75% of its original capacity, providing years of dependable rechargeable power and reducing the need for frequent battery replacements.

Whether you’re powering a high-output flashlight, tactical equipment, or other compatible 21700-powered devices, the Fenix ARB-L21-6000 delivers reliable, high-capacity performance you can count on.

Key Features
Premium rechargeable 21700 Li-ion battery
High-capacity 6000mAh power
Delivers extended runtimes for compatible devices
Multiple built-in protection circuits
Protection against overcharging
Protection against over-discharging
Short-circuit protection
Overcurrent protection
Stable and reliable power output
Retains up to 75% capacity after 500 charge cycles
Long service life
Mercury-free and lead-free construction
Environmentally friendly design
Ideal for compatible Fenix flashlights and other protected 21700-powered devices
Manufactured to Fenix’s high-quality standards

Specifications
Brand Fenix
Model ARB-L21-6000
Battery Type Protected 21700 Rechargeable Li-ion
Capacity 6000mAh
Recharge Cycle Performance Retains up to 75% capacity after 500 full charge/discharge cycles
Protection Multiple built-in protection circuits
Environmental Features Mercury-free and lead-free construction