Instead of buying a sugar-powered battery pack from Sony, you could make your own sugar battery at home. Here is an instructional video on how to charge your iPod (something everyone seems to want to do, these days) using some sort of sports drink (as long as it has electrolytes in it) and a white onion.
Poke a hole in the onion to let more liquid in. Soak the onion in about 2 cups of the sports drink, until at least one cup has been absorbed by the vegetable. Who knew onions were capable of absorbing so much fluid? Once this step is done, dry the onion off and stick your USB cord into its side. What effect this has on the USB itself, and whether it can ever be plugged into a conventional port again, I have no idea. But, sure enough, the iPod turns on and begins charging— and as long as the onion has soaked up enough fluid, you can go for about 20 minutes!
You can find the entire article here
http://aboutmyplanet.com/videos/charge-using-onion
Charge Your iPod Using An Onion
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