... in material & excelllent in workmanship SVB003Solar Bag,Solar Laptop Bag 1.charge your laptop by solar 2.Be superior in material & excelllent ... to the electricity energy in the battery.3, Suitable for 5V/16V/19V charge products, like laptop, mobilephone,MP3,MP4,digital camera ... with the DC plug.The full of battery can charge anywhere.6 ,The portable battery is movable, you can take it off ...