External battery charges while you move

For many mobile device users, having an external backup battery is essential for today’s on-the-go lifestyle. But even external batteries die and need to be plugged in for a recharge. Enter the Ampy, a mobile battery that recharges using your body’s kinetic energy. Strap on the Ampy to your body and go about your daily routine. The makers of the Ampy claim that a normal day’s walking (about 10,000 steps) can you an extra three hours of phone life, while joggers and bikers may get an extra six hours. Your body’s movement is translated into kinetic energy that is stored or can be used to power up devices. The makers are currently working on a prototype.

Read the full story on CNet.