Researchers design onboard smartphone charger that charges by shaking your phone
// November 14th, 2012 // Mobile
Researchers at Virginia Tech in Blacksburg are designing an emergency onboard smartphone charger that draws energy from the piezoelectric force generated by your fingertips clicking the keypad, your voice, or by giving the phone a good shake. It doesn’t generate a lot of power but in an emergency, you could shake the phone for a few minutes and generate enough power to make a phone call.
The same group has also invented a micro wind-turbine smartphone charger that generates 1 watt from wind speeds of around 8-10 kilometers per hour. It connects to the smartphone using the standard USB port and requires from 45 minutes to 1 1/2 hour generate a full charge.
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