The nPower PEG shakes along with your hiking, biking and other outdoor activities, capturing your kinetic energy to power up your cell phone and other portable devices — at least for a short period of time when you really need them. It first made its appearance at CES 2009, but has only been available in the marketplace for a few months. Here, in an interview with msnbc.com's John Brecher, Tremont Electric founder and CEO Aaron Lemieux describes how hiking the Appalachian Trail inspired the design.
Inventor explains inspiration for energy-capturing phone charger
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