Battery cases must be able to add extra juice to your phone and provide damage protection. You’ll also want something that doesn’t interfere with your phone's features, like NFC or ports, nor ...

Enter gravity batteries, a technology that uses one of the simplest forces in nature—gravity—to store large amounts of energy. This approach, now being trialed in various forms worldwide ...

One important change is a new laptop battery indicator that visualizes the charge level with new symbols. This change was actually supposed to be implemented last month, but the release was ...

Keeping their batteries healthy is an ongoing task. With the best will in the world, we can't use all the vehicles all the time. My wife's car stands a lot and only gets used on nice days ...

Korean researchers have developed advanced Ni-rich cathodes that improve all-solid-state battery performance, offering longer lifespans and greater energy efficiency.

There are so many batteries out there that you probably walk past them at the store without even realizing it multiple times a week. In the olden times, such batteries were consistent purchases ...

“Combined with its thin and light, fanless design, all-day battery life, and the incredible capabilities of macOS Sequoia with Apple Intelligence, MacBook Air is unlike any other lapto ...

A car’s battery powers everything from starting the ignition to running electronics. But over time, the battery can lose its charge and experience a dip in performance. A typical sealed lead-acid (SLA ...

And most importantly, BMW is investing billions of dollars in new battery technology, including a new controller it calls the “Energy Master.” As the political winds shift, BMW hopes doubling ...

After four days, Mobile World Congress has come to an end. During our time in Barcelona, we saw countless phones, wearables, AI implementations and gadgets on display.

Put a set of our Best Buy AA disposable batteries in your most power-hungry devices and they'll last more than three hours longer than the worst. For AAA batteries, our Best Buys last an hour and a ...