AspectSolar EnergyBar 250 High Capacity SunSocket Energy Bar 250 Watts per Hour, Lithium Battery Pack with AC/DC/USB Outputs, Charges via AC, DC or Solar, Metal, Yellow/Gray Smartphone charged for 25 hours of use, laptop for 3-4 hours of use and a LED TV for 10 hours. Four USB outputs for charging multiple devices Light, safe, and long-lasting rechargeable battery. 3-5 times the life of traditional batteries Charge with solar panel or from vehicle lighter socket high powered green lithium battery Weather resistant case