Heli-on by InfinityPV is a solar charger designed to fit into the grip of your palm. this pocket sized wonder has its own flexible solar panel rolled up cozily into a cylindrical outer casing. It also has its own inbuilt battery that allows you to charge your devices when sun is hiding. Use the solar panels to directly charge your devices, or to charge the Heli-on itself. And the Heli-on it charges via USB too!