OLIGHT S30RII Rechargeable Flashlight XM-L2 U3 1020 lm Includes 3600mAh Battery Fast and easy charging. The light features a micro-USB charging dock that includes an additional USB The light is powerful and small with a maximum light output up to 1020 lumens. The flashlight includes 1 x 18650 3600mAh Battery Cree XM-L2 U3. The maximum output is 1020 lumens