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 the Share button in the upper right-hand corner of the screen. The Siri ...

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

If your worst dry spring morning begins and ends with a drained battery, the Clarke BC1 Clarke BC1 6/12V Intelligent 1A Battery Charger might just be your unsung two-wheeled saviour.

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? The rules have changed this year. Here’s what to know. By Claire Fahy Over ...

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.