Rechargeable Head Lamp The Ledlenser H8R has a maximum output of 600 Lumens of white light and features a red light on the back of the head torch for increased visibility. Powered by an 18650 lithium-ion battery, it has a run-time of 10 hours on the highest setting from a full charge. When the battery level drops to 10% or below, the power indicator will give off 3 flashes of the white LED. It's a perfect head torch for everyday use and activities such as hiking, camping, and outdoor adventures. Run Time: Up to 120 hours (low setting) Weight: 158 g (including battery)