Nitecore HC50 565 Lumens CREE XM-L2 LED headlamp Genuine Nitecore NL189 18650 3400mAh Li-ion rechargeable battery, Fenix ARE-C2 intelligent Charger and Two EdisonBright CR123A Lithium Batteries Powered by a single 18650 lithium-ion battery or two CR123A batteries for up to 565 lumens of output Purpose-designed for hiking, climbing, camping and general outdoor recreation High-efficiency circuit provides up to 400 hours of runtime Fenix ARE-C2 Battery charger, Nitecore NL189 3400mAh 18650 battery and two EdisonBright CR123A lithium batteries included. Fenix ARE-C2 battery charger designed for a broad spectrum of Li-ion and Ni-MH rechargeable cell sizes