Ampy Is A Wearable Spare Battery That Charges As You Move | TechCrunch

It was surely only a matter of time before someone thought to capitalize on the current trend for wearables with a battery designed to charge via kinetic energy. And so meet Ampy: a spare battery pack, currently bidding for crowdfunds on Kickstarter, that straps to your person and, its makers claim, charges up from human movement, such as walking, running and cycling. So instead of just quantifying the number of steps you’ve taken you could convert those steps into stored charge in a lithium-ion battery pack to help juice up your mobile devices via USB.

It’s a nice-sounding idea in theory — if you don’t mind the thought of strapping a rather chunky battery pack onto your person and running around the streets — but, as with all crowdfunding projects, it pays to be a little sceptical of how effective it will prove in practice. And indeed whether it will make it to market at all. Hardware is always hard.

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