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.

In groundbreaking research, scientists have made a structural battery 10 times better than in any previous experiment. What’s a structural battery, and why is it such a big deal? The term refers ...

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 ...

We considered RC cars from trusted brands including Traxxas, Bezgar, and more to find out which ones are worth spending. your cash on. There are the best remote control cars we recommend ... beefier ...

but given that you can likely get two hours' one-tenth scale trail bashing out of a single battery charge, we think it's worth the investment. Check out our guide to the Traxxas TRX-4 vs FTX ...

Some of the fastest Rubik’s cube solvers in the world have gotten down to a five second solve — which is quite an incredible feat for a human — but how about one second? Well, [Jay Flatland ...