portable smartphone ampy battery system charges as you move
ampy ‘move’ captures up and down kinetic energy from the user’s movements and turns them into power for a smartphone.
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portable smartphone ampy battery system charges as you move
all images courtesy of ampy
ampy ‘move’ captures the kinetic energy of the user’s movement and turns it into power the smartphone. an up and down motion works best to maximize energy production while using accessories enables it to be strapped to a knee for cycling, an arm while running or clipped to the waist for walking. it can be charged from a USB 2.0 or USB 3.0, and other proprietary charging adapters. ampy is about the size of a deck of cards and weighs about the same as a smartphone and contains an 1800 mAh battery, giving enough juice to get through the day while keeping it light and small.
the device is about the size of a deck of cards 
it can charge in a bag
ampy also acts as a fitness tracker 
an assortment of accessories enable it to be attached anywhere
the paired app can visualize all the motion collected during charging
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