Fenix arb-l18-4000u orange

battery: 4000mah

Fenix ARB-L18-4000U is a rechargeable 18650 lithium-ion battery rated at 4000 mAh. It is built for devices that accept the 18650 cell size, including compatible flashlights and gear that uses this battery format. The rechargeable design allows repeated charging cycles instead of single-use disposal, making it suitable for regular use at home, work, or outdoors.