Many smartwatch makers now gear their products and features for people who want to keep tabs on their bodies; this is how the ...

You can check the health of your iPhone's battery to determine when it's time for a replacement.

Open one of your iPad’s analytics files (these files start with “Analytics” followed by a date). In the analytics file, tap ...

Changing a car battery can be done in just a few steps. Always test the car battery before replacing and be sure to properly ...

Is it OK to check your phone’s power bank? Can you charge your tablet in the overhead bin? What about a cordless hair dryer?

Confused by kilowatts? Can’t tell an anode from a cathode? Here is a simple guide to the jargon likely to be tossed around at Tesla’s Battery Day on Sept. 22.

My 2016 Honda Jazz has 50,000 miles on the clock. Should I replace the battery?

While only 12 of the 203 reviews award the MM420 fewer than 4 stars, there are some issues worth noting. The most common ...

Measuring the individual cell voltage with a multimeter requires disassembling the battery pack, which is difficult for ...

The metal shed of the driving school was scorched by the midday sun. I stared at the oil stain on the ground and heard Coach Li shouting, "Next, Wang Xiulan, come over to test the battery voltage!" ...

Cryptocurrency firm Gemini Space Station raised $425 million in an initial public offering on Thursday, pricing its stock above a marketed range. The company led by the billionaire twins Tyler and ...

We hesitate to call the solid-state battery the Holy Grail of EVs, since the Holy Grail, according to the story, is never actually obtained by humans. Still, solid-state batteries look very promising.