Potenco’s Pull-Cord Generator

If you’re following the OLPC, you may have noticed the nifty pull-cord generator seen with it. Amazingly, it can generate up to 20W average peak power. That’s easily enough to charge small devices such as cell phones and iPods, and may be just enough to charge my Tekkeon MP3400 battery.
Here are the specs:
- Compact: 2.5? high x 3.5? diameter
- Lightweight: 14 oz.
- Efficient: 20W peak average power
- Quiet: 59 dB at 1 foot, <50 dB at 5 feet
- Rugged: Water, dust and drop resistant
- Smart: Automatically adjusts to your fitness and energy level
- Ergonomic: Uses a variety of muscle groups
If you are interested in charging devices using natural energy, I’d check out Steve ‘Chippy’ Paine’s Solar UMPC blog. He just finished his Solar UMPC Tour which was a great success.
EDIT:
Found a YouTube video.
Revisiting Potenco’s Innovative Pull-Cord Generator - TreeHugger
Potenco: Powering Possibilities - TreeHugger
Potenco Products Page

[...] de los eco-inventos se sale este mini generador de energía por cuerda. Nuestro “dar cuerda” de toda la vida, pero… ideal para el OLPC. Suponiendo que [...]
[...] Green. Long battery life. Charge via solar or pull-cord generator. [...]