Orascoptic?s Apollo™ portable LED headlight system features a lightweight headlamp that generates 3,800 foot candles of bright white light and a battery pack that recharges in just 3 hours. Using constant current technology, the Apollo ensures that light output will not diminish over the full run-time of the battery. The efficient lithium ion battery pack will run all day and features a battery capacity monitor that alerts you when the run-time is low. The Apollo comes with a four year warranty on both the LED and cable, and a one year warranty on the battery pack.