The Fenix ARB-L18-4000 is a high-capacity 18650 rechargeable lithium-ion battery, designed for compatible flashlights and headlamps. Its 4,000 mAh capacity is intended to increase runtime in high-drain devices.
The cell has a nominal voltage of 3.6 V and a stated stable current of 7 A. The built-in circuit offers protection against overcharge, over-discharge, and short circuit, complemented by thermal protection. Before purchasing, it is necessary to check the size, polarity, and compatibility in the device's manual.
Main features
Size: Protected 18650
Capacity: 4,000 mAh
Nominal voltage: 3.6 V
Stated stable current: 7 A
Overcharge, over-discharge, and short circuit protection
Multiple thermal protection
Recommended use
Recommended as a high-capacity battery for flashlights and headlamps expressly compatible with protected 18650 cells.