Powerful generator that charges laptops, lights, smartphones and more using clean solar energy collected from the sun. Perfect for emergencies, camping or wherever you need power, the Goal Zero Yeti 400 Solar Generator is ideal for indoor or outdoor use, is quiet and features a convenient pop-up handle to make it ultraportable. Charge from a wall charger, sunlight or car charger. A simple master switch provides power to multiple AC, DC and USB devices. The LCD readout tracks power draw and shows current battery level. Charge every three months. Optimal Output Temperature of 32-104F. Charging and low-battery protection built-in. Six month warranty. 10.3L x 8W x 8D. Wt: 29 lbs. Type: Solar-Power Kits.