I just found an interesting item on Ebay if you are on holidays
at the beach and lying in the sunshine and your mobile phones
batteries just dies or your MP3 player batteries go out of power.
Then you might want this item:
http://cgi.ebay.de/ws/eBayISAPI.dll?ViewItem&item=6062384684 (http://partners.webmasterplan.com/click.asp?ref=284148&site=1382&subid=&type=text&tnb=32&diurl=http%3A%2F%2Fadfarm.mediaplex.com%2Fad%2Fck%2F707-3922-3266-17%3Fmpro%3Dhttp%253A%252F%252Fcgi.ebay.de%252Fws%252FeBayISAPI.dll%253FViewItem%2526item%253D6062384684)