Check out phone charger by Lisa Earley a short 6 second film for the Adafruit #adafruit6secs electronic film festival (Youtube playlist here for all the entries on YouTube).
Featured Adafruit Products
MintyBoost Kit – v3.0 – Make your own iPod/iPhone/GPS/etc… battery-pack and recharger!
This project includes all the electronic parts necessary to build your own MintyBoost: a small & simple (but very powerful) USB charger for your iPod (or other mp3 player), camera, cell phone, and any other gadget you can plug into a USB port to charge. If you have a Nintendo DS/GBA or a PSP you can buy charger cables from us, too. (read more)