
Using a skipping rope is a nice way to exercise, but sometimes you do feel that all your energy is being wasted. So what if you could put all that energy to good use? The e-rope concept is able to hold a pair of rechargeable AA batteries inside it, which are charged by the motion of the rope spinning around. The LED on the device will show when the batteries are fully charged, which should take about twenty minutes. Do you think you’re willing to charge your batteries this way?
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