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A Device That Lets You Charge Your Phone Using Your Body's Own Energy

HandEnergy requires nothing more than elbow grease and some time

By Rain Noe - December 16, 2016

in Tech

There are several devices on the market that will let you charge your cell phone independent of a power socket. But this one is significantly different: Inventor Michael Vaga has created HandEnergy, an apple-sized device that lets you charge your phone using nothing more than your own personal energy.

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To be clear, while he states in the video that HandEnergy charges your device at the same speed as when it's plugged into the wall, that assumes that you've fully charged HandEnergy beforehand. The FAQ on the Kickstarter campaign page says that takes 40-60 minutes of wrist-twirling action first.

That hasn't deterred backers, who have pledged $63,756 on a $52,559 target. At press time there was still a week to pledge, with prices starting at €79 (about USD $84).

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Jerry Elmore

8 years ago

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Why didn't I take the "Blue" pill.

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Juan Cano

8 years ago

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I wonder if it will work if you like say, put it in your backpack and go for a run? Will the bumping make it charge? Or riding your bike around town? I can't imagine twisting my wrist like that for 2 minutes, never mind 40 or 60. It's a cool idea. Could you roll it back and forth between two people? So many ways!!! Imagine playing fetch with your dog while charging it!!! I may need my own product.

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