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ARB-L18-4000

Fenix ARB-L18-4000 Rechargeable Battery

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Fenix ARB-L18-4000 Rechargeable Battery

Fenix ARB-L18-4000 Rechargeable Battery

2026-06-05 2026-06-12

The Fenix ARB-L18-4000 Rechargeable Battery is a large capacity battery with 4000mAh of power, ensuring a longer lasting charge. 7A stable output current and excellent thermal performance help you prevent overheating. With multiple protection circuits and pressure vents, it provides added safety and can be charged for up to 500 cycles.

More Information

Capacity: 4000mAh
Voltage: 3.6V
Charging Current: 2A recommended, 4A maximum
Max Output Current: 7A
Weight: 1.94 ounces (55g)
Size: Length: 2.72" (69.2mm) Diameter: 0.74" (18.75mm)
Warranty Period: 12 month from date of purchase

 

Compatible with all lights using an 18650 size battery.