Tilly's introduces the new ECOWATT self-charging solar powered backpack! That's right, now you can charge your phone, iPod, or even your laptop on the go. The ECOWATT Safari backpack has a USB universal plug and 5 connectors to make sure it can accommodate most electronic devices. The solar panel is integrated into the bag and is light weight, durable, and even waterproof! The bag also comes with a back up battery so you really never have to be without power.