You can check your AirPods' battery by opening the case near a paired iPhone or iPad, with a widget, or through your Mac's ...

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.

Open one of your iPad’s analytics files (these files start with “Analytics” followed by a date). In the analytics file, tap the Share button in the upper right-hand corner of the screen. The Siri ...

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

But Kia has become the first manufacturer to publicly trial a battery passport it says will 'mark a major step forward in ...

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, risk management, and public policy. Peter began covering markets at Multex (Reuters) ...