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Make your own portable USB charger 04.05.06

Posted by wimac in hardware hacks.
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DIY website Instructables has a very cool tutorial for putting together a portable USB charger with a 9-volt battery and a little know-how.

It may not be pretty as-is, but dress it up in an Altoids case or something similar and you’d really have something. With the proliferation of USB-chargeable devices out there (from iPods to PDAs to cell phones), this would be a really handy tool to have around for long trips or in case of an emergency.

Portable USB Charger [Instructables via MAKE]