This is a radio you power not with a battery but by cranking it with your hand; this is a wind up emergency hand radio charger. It is this tiny handheld gadget with a crank on the side. Crank the handle for about a minute or two, and you’ll produce enough energy to run a radio or charge a phone.
All you have to do is crank the handle, which then causes a rotation of gears inside that generates electricity. A little bit of power fills up these little power drops going into the tiny battery, like filling a water bottle, and now you’ve got enough to turn on a radio to listen to weather alerts, play music, or plug in a phone cable for a little juice boost on your device.
This thing is handy in real life. During a storm, with the power down, you know what is going on without dead batteries. Camping? Pack it because it’s miles from anywhere and can charge a flashlight or a phone with no outlet. But mostly, this is a lifesaver for completely unexpected emergencies: the car breaks down and gets stuck, but there’s no signal; charge the phone for a little bit to call for help.
Therefore, it’s a mythology factory. Next time, when you see these crank radios, think about that: you have a tiny power factory that you control, efforts convert into something useful, in that case, keeping you connected when modern life can do just that to your little gadget, right? Pretty cool for a little gadget, huh?
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