... 1680d base Weight: 3.5lbs Dimensions: 51x25x18cm Volume: 30l SOLAR BACKPACK BAG,Fabric: 600D shell made from recycled PET (soda ... Volume: 1,850 cubic inches (30 liters)Backpack Electronics:4 Watts of Solar Power: From three tough, light weight, waterproof ... charge laptops, it will however charge cell phones, sat phones, PDAs, GPSs, iPods, small cameras and most other handheld electronics Solar Backpack ...