I just got a tool that may be of great use to most folks. This is a little device that works as a bluetooth hands free unit, but the interesting thing is that it self recharges, well; actiually it recharges with a little help from the sun. It comes with its own mini-solar panel and when you leave it in the sun, the device will charge itself. I got it from CompUSA for only $59.99.
When I saw it, I though it looked like a great idea for an in-car device. I installed it in a snap, it comes with a suction-cup plastic pocket (similar to the older devices that hold the toll transponder) (see third picture in this article). The windshield holder is made of clear plastic, but to avoid blocking the sunlight, it has a cutout large enough to let sunlight into the solar panel. ...