Life test measures how a battery endures repeated charge-and-discharge cycles at hot-climate engine-compartment temperatures. The more cycles endured while maintaining a higher voltage, the higher ...

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 ...

'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 ...

As we rely more and more on smartphones in our daily lives, stretching out battery life has become essential, especially since phone makers refuse to include batteries that last much longer than ...

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 ...

If you had asked me a half-a-decade ago what I considered to be the weakness of modern smartphones, I'd have said the battery life. Phones used to last hours at a time, and you'd have to find a ...

A battery is a device that stores energy in chemical form and can convert it into electric energy through electrochemical reactions. Europe’s demand for high-energy batteries is likely to ...

Life test measures how a battery endures repeated charge-and-discharge cycles at hot-climate engine-compartment temperatures. The more cycles endured while maintaining a higher voltage ...

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 ...

Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile ...