DIY HACK - How to make a USB Charging Flashlight
Here’s how to make a USB charging flashlight. But you can probably make this work for many other devices that run 5V including MP3 players, cellphones, whatever it is. Just don’t complain if you try to power something less than 5V and blow it up… 
After reviewing the Forever Flashlight for The Gadget Panel I couldn’t help but take its capabilities to the next level. I wanted a portable USB charger that could recharge things like my iPod Shuffle. I know there are lots of battery powered options, but I wanted something that didn’t need battery replacement. USB power is 5 Volts and that is exactly what this flashlight puts out on the auxiliary power plug so there is no voltage level conversion required. I also like the fact that this flashlight has Ni-MH batteries inside, not just some big capacitors like some other units.
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Or just use a candle >.>
SO WHERE ARE THE INSTRUCTIONS ON HOW TO BUILD IT ?????????????????????????