Ladyada has a new kit and best of all extensive documentation on making a charger for just about anything that recharges via USB – “This project details a small & simple, but very powerful USB charger for your mp3 player, camera, cell phone, and any other gadget you can plug into a USB port to charge! The charger circuitry and 2 AA batteries fit into an Altoids gum tin, and will run your iPod for hours: 2.5x more than you’d get from a 9V USB charger! You can use rechargable batteries too.” – Link.
The MAKE labs were able to test out a prototype and it works great – we’ll post up more data as we test out how long our gadgets can go (So far 3+ extra hours of video playback on an iPod 60GB).
MintyBoost kit – Link.