Portable Battery-free iPhone Speaker for Immersive Music Anywhere
The ubiquity of smartphones has made these communication tools the perfect portable media players as well, allowing owners to enjoy their tunes, podcasts, and even…
battery-free
A folding digital kitchen scale that uses kinetic energy to help you go battery-free
If you don’t always measure ingredients in the kitchen, you might want to get a scale that doesn’t take up space or even needs batteries…
Clean Teeth, Clean World!
https://www.kickstarter.com/projects/goodwell/be-the-first-battery-free-powered-toothbrush Picture this. Count the number of products you own that use batteries. Multiply it by 7.3 billion. That’s roughly the number of battery-powered products…