A battery that charges fast, holds more energy, and stays safer under stress has become a kind of modern promise. You hear it ...

The Realme P4 Power has one of the highest capacity batteries we've yet seen in a phone, and its other specs sound promising ...

A record-breaking year for solar generation and a leap in battery capacity have shifted the U.S. energy landscape, turning ...

A TUV certification uncovers the battery capacity and charging speed of the Galaxy S26 Plus — here's how it compares to the ...

With iPhone Air, Apple reintroduced the MagSafe battery pack. It’s $99, and optimized specifically for iPhone Air. It’s ...

A research team affiliated with UNIST has unveiled a new type of thick electrode aimed at solving a common challenge in ...

Windows 11 has a built-in report that provides insight into your laptop's battery status, including whether a replacement is actually needed.

Honor confirms the Magic8 Pro Air’s 5,500mAh battery, bringing powerful performance to a super-thin 6.1mm flagship smartphone ...

My “unicorn” Volvo V90 plug-in hybrid wagon is almost four years old. Here’s how healthy its high-voltage battery is.

The big picture: Google's latest mid-range smartphone, the Pixel 9a, comes with a controversial new battery management feature that gradually reduces the battery's maximum charge capacity over time, ...

Updated findings reflect a higher degradation rate than Geotab’s 2024 study (1.8% per year), largely due to increased ...

Some experts believe keeping your phone around 20-to-80 percent charged throughout the day is best for the phone’s battery ...