Ecolight Solar Rechargeable Flashlight with Supercapacitor & 1-Watt LED; 4-minute charge with AC or car charger. No battery. Earth Friendly Supercapacitor Technology - virtually unlimited charges (30,000 charges) No battery. 4-minute charge with AC & Car charger (AC charge cord to computer USB port). 1-hour charge in sun. 1 Watt LED (50,000 hours life) at 50 lumens brightness, focused beam travels over 100 feet. 45 minutes of light on High, or 4 hours on Low per charge (equivalent of 22,000 hours on high). Lightweight - 6 ounces. 7.5 inches long with ergonomic switch & handle. All electronics are RoHS.