Whether it is fuel issues or a flat battery caused by the chilly weather, there are several reasons this might happen, with ...

Jan. 27, 2025 — Lithium-air batteries have the potential to outstrip conventional lithium-ion batteries by storing significantly more energy at the same weight. However, their high-performance ...

I now have an odd problem to diagnose.The car usually needs 2 cranks to start. All lights come up properly when I insert the ...

It's easy to replace your iPhone's battery and it can give your phone a brand new lease on life. Andrew is CNET's go-to guy for product coverage and lead photographer for Europe. When not testing ...

Primary batteries are batteries that cannot be recharged once depleted. Primary batteries are made of electrochemical cells whose electrochemical reaction cannot be reversed. Primary batteries exist ...

While a dead battery doesn't necessarily equal a bad alternator, the two work closely ... the first step is getting a diagnosis from a certified mechanic. Replacing the ignition switch is often ...

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 ...

You've experienced symptoms of a medical problem, visited one or more healthcare providers, and have undergone medical tests. Now, your healthcare provider will use all that evidence to arrive at your ...

Laboratory Technical Project Manager Gianmarco Chumbe has been part of the CNET Home team since 2018. He is in charge of developing and carrying out testing procedures for a wide variety of home ...

'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 ...

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.