Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...

Discover how to make a homemade battery capable of charging your smartphone using simple materials like copper foil, aluminum foil, and saltwater. This step-by-step DIY battery project demonstrates ...

Did you know that you could charge your cell phone from the sun? While this might sound a little like something from a futuristic movie—or like something reserved for ultra-environmentalists—portable ...

★★★★☆ Put the Lion 50W Foldable Solar Panel in the sun and it's ready to recharge your MacBook, iPad, etc. Photo: Ed Hardy/Cult of Mac Place the Lion 50W Foldable Solar Panel in the sun and it can ...