Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...

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

While seemingly mundane, wall phone chargers — whether that's a GaN phone charger, fast charger, or just the regular USB-A charger — have become a necessary staple in your daily routine. You need it ...

Wireless charging has become one of those small but satisfying conveniences of modern smartphones. You drop your device on a pad and watch the battery percentage climb without fiddling with cables or ...