Fenix USB Battery ARB-L18U (18650 4000mAh 3.6V)

This compact 18650 rechargeable battery is a reliable power source for flashlights, headlamps, and other camping and outdoor lighting equipment. With a capacity of 4000 mAh and a voltage of 3.6 V, it provides ample energy for extended use on hikes, camping trips, or outdoor adventures where dependable lighting is essential.

The battery is USB rechargeable, making it easy to top up power on the go without needing a separate charger, and it shows no battery memory effect, so it can be recharged at any time without reducing its overall capacity or lifespan.

Safety is built in: the battery features comprehensive circuit protection, including safeguards against overcharging, overdischarging, overheating, and short circuits, ensuring stable and secure operation during use and charging.

Compact and lightweight, with a diameter of 18.75 mm, a height of 72 mm, and a weight of just 55 g, this battery fits easily into most compatible flashlights and camping lanterns, making it a convenient and dependable choice for outdoor recreation, camping, and hiking gear.