Meet the PackLite Max Phone Charger: an inflatable solar lantern that can also charge your smartphone. It packs down to 1″ thick, so you can take it with you anywhere easily. It is is waterproof and offers 150 lumens of light. You can recharge the device using a micro USB connection or its built-in solar panel.
The lantern is waterproof and floats. In fact, it can be submerged up to 1 meter. Like what you see? You can support this project on Kickstarter.