Calculating electric vehicle charging costs depends on the car's battery, efficiency, and charging session. Here's how to ...

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

Makita makes cordless power tools using different size batteries. Is it possible to charge a large battery with a small ...

Learn how to make your car battery last longer with this expert advice from CR. These simple steps will catch any battery ...

Wireless earbuds have more features than ever, but that comes at a cost: power. Here's how to maximize your battery life.

Windows 11 has a built-in report that provides insight into your laptop's battery health (and whether a replacement is needed).

Fixit's new app comes with all the information you need to prolong the lifespan of your phone -- including an AI chatbot for specific guidance and a battery death predictor.

The closest rival to the PicoGo AF21 is Kuxiu’s X40 Turbo, a similar foldable 3-in-1 charger that charges at 25W. The metal ...

A hands-on look at the Kuxiu S3 10,000mAh MagSafe battery and why it replaced multiple chargers for daily use and travel.

The Twelve South PlugBug with Find My is easily my favorite travel charger and boasts the title of the first charger to ...

For years, Apple and Google have managed to pack increasingly larger-capacity batteries into the phones they make. The larger ...