How To: Turn a Hand-Cranked Flashlight Into a Battery Charger (Video)

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I normally post on more weighty issues than turning a hand-cranked flashlight into a battery charger for your portable electronic devices, but I somehow came across this video yesterday over at Carbon Planet and thought I'd pass it along—in case you've got a spare flashlight, some electrical tape, an old laptop battery and some basic skills with electronics. If you want something a bit more, um, polished looking, there are plenty of hand-cranked chargers out there. And for our more experienced DIYers this may be old hat, but budding tinkerers take note.

via: Carbon Planet
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