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

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

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.

An F-150 Lightning owner spent 26 months "breaking every rule" of EV ownership by charging to 100% every single night for ...

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

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 ...

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

When it’s cold, an EV with a very low battery can struggle to deliver power because the cells are operating outside their ...

As crucial as Android Auto and CarPlay have become to daily driving, the core problem remains. Wired connections charge your ...

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