Solar Powered Charging Backpack - Waterproof Oxford Large School Backpack for Teenagers
Overview Our solar panels are designed to last. Built using rugged fabric and strong solar cells that can withstand the rigors of everyday use (2 years on the solar panel, 1 year on battery pack)HIGH-PERFORMANCE SOLAR PANELS made from industry-leading monocrystalline solar cells charges most smartphones completely in 3.5 hours in direct sunlightSpecificationBag size: mediumCapacity: 20-35LThe internal structure of the bag: zipper pocket, mobile phone pocket, ID pocket, sandwich zipper pocket, computer pocket, camera pocketOpening method: zipper