The sOccket harnesses the kinetic (motion) energy of the soccer ball during normal game play and stores it for later power needs. After play, small electrical appliances, like an LED lamp, can be plugged into the sOccket. Learn more about our first mass-produced sOccket on our blog.
The web page, with lots of pictures, is here. It’s not just free energy, one goal is to prevent so many people from dying from kerosene lamps.
For the pointer I thank Brent Depperschmidt.