[Glenn] from The Back Shed has built a lot of windmills and stationary generators over the years, but recently decided to try his hand at building something a bit more portable. The charger is ...

The AquaVault Wireless ChargeCard, featured on Shark Tank, fits in your wallet and you can eliminate battery anxiety forever!

Meanwhile, you need to text your friends that you’re running late . . . while using your phone’s GPS to navigate. In ...

Regularly charging the battery will keep your car running, but if you think it ... tend to be more portable than chargers, and can deliver enough power to instantly start your car if its own ...