Nitecore MH1A 550-Lumen CREE XM-L U2 LED Rechargeable Flashlight, Black Battery Type: 1x14500 AA Maximum output: 550 lumens Flashlights Premium CREE XM-L U2 LED Maximum output of 550 lumens Maximum runtime of up to 23 hours HAIII military grade hard-anodized Anti-rolling design