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 (made from recycled soda bottles) this lightweight, waterproof backpack is loaded with pockets, plus a sleeve for laptops up to 17 inches and extra shoulder padding.
Two 2.0 Watt solar panels. Solar charging section zips off and can be attached to another bag, bike rack, etc. with the included straps and clips. Universal USB battery, also chargeable by power cable, travel charger, or car charger. Capacity: 3,000mAh, 11 Watt hour capacity. Output: M 5.5V, 600mA via USB port. Input: 4.8-12V, 650 mA. Wire channels throughout the bag for cables and bladder tubes. Phone pouch on the shoulder strap for easy access while charging. Removable waist strap.