This portable charger includes a 4-watt solar panel and USB battery for powering your electronic handhelds. Outfitted with two straps for clipping onto backpacks, bikes and tents, the Fuse charges while you walk, ride or camp. One hour of sunlight will power three hours of talking time, four to five will get you a perfectly charged phone and seven will fully charge your battery. With a case fashioned from PET fabric (made from recycled soda bottles), this solar charger is rugged, waterproof
Offgrid Solar Backpack by Voltaic Systems. This versatile solar backpack is outfitted with a 4-watt solar panel and USB battery for powering your electronic handhelds. The solar panel is removable—and attachable to a bike rack or another bag—for leaving in the sun any way you like: One hour of exposure gets you three hours of talk time, while seven will fully charge your battery for 19 hours of talking or 2 days of music. Fashioned from PET fabric.