Since we often rely on our mobile devices to shop, communicate, travel, and more, it's paramount to keep our phones' batteries charged. However, most of us can't stay tethered to a wall outlet.

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 ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

If you had asked me a few years ago what I considered to be the weakness of modern smartphones compared to older phones, I'd have said the battery. When you look at phones from before modern ...

We’re all guilty of taking our motorcycle batteries for granted until they eventually run out. Whether it’s through lack of use or the battery is aged and discharging you’ll need a new one ...

Advances in battery technology—for consumer electronics and electric vehicles alike—are largely incremental, and have been since the advent of modern lithium-ion cells almost 30 years ago.

What is the best solar battery overall? We've evaluated dozens of solar batteries over the years, and in 2025, the Bluetti EP900 Home Battery Backup is CNET's pick for the best solar battery ...

There are two main options that can help: home batteries and generators. We break down how to choose between these from various perspectives, including budget, longevity and convenience.