The solBAT II is a solar powered back up battery and charging device that works with almost any handheld USB powered device, including iPod, iPhone, MP3, Blackberry and cellphones.
It charges handhelds at the same rate as a wall charger and when fully powered will charge a cell phone twice. It comes with a windshield cradle and universal carabiner mount for easy access.
More Info: http://www.scosche.com/
