What would you do if your cell phone suddenly ran out of juice and there was no electrical outlet in sight? One, you could use normal AA batteries. Or two, you could wish that you had taken this DIY hand-crank cellphone charger more seriously. Just like a Swiss knife, the DIY hand crank charger is a must have in your survival kit for off-the-grid moments.
The exact instructions to make one are not given, but if you have a bit of soldering know-how and the skill to take apart one of those cheap hand-cranked flashlights, then you’ll be fine. The well known console modder and electronics enthusiast, Ben Heck, used the cellphone charger to power up his Android HTC EVO 4G with 5V of power. If your phone can be recharged through a USB port, then the hand cranked cellphone charger should be a great thing to carry around.
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