A high-voltage transmission substation can operate at 500kV or higher. At this voltage level ... If the primary AC source goes down the unit can draw DC power from the substation battery to keep ...

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 ...

His career highlights include providing project management and engineering for a confidential lithium-ion battery manufacturing plant in Indiana. He also came to the rescue to address power supply ...

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 ...

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 ...

Garmin Body Battery is a feature on Garmin devices that offers insight into your energy and readiness for training. The feature is available on several watches from the company. But is it a useful ...

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 ...

'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 ...

Today, many of these have been replaced with rechargeable batteries, but there are still some uses for the good old-fashioned AA battery. They still power most TV remotes and while cameras have ...

Still, while being able to charge a phone in half an hour, or even faster, can lead to changing your charging habits entirely, actual battery autonomy remains a key priority - no flash charge can ...

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 ...