To check your iPad's battery health, you'll need to install a third-party app, which will require you to connect the iPad to a computer.

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 ...

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.

From budget picks to pro favorites, multimeter brands earn mixed reviews. Here's how some of the most popular choices stack ...

With iOS 18, Apple allows you to check your iPhone 16's battery cycle count directly as a built-in feature, along with the maximum capacity percentage. Since battery longevity is one of the biggest ...

India will test the installation of battery storage systems at some coal power plants, as the country grapples with integrating massive solar capacity while maintaining a reliable electricity supply, ...

Your device's battery loses capacity over time. It can happen to any smartphone, whether you use a high-end or one of the best phones for battery life. The health of your battery can indicate whether ...

Car batteries tend to die at the most inconvenient moments, so periodic testing is the best way to avoid these troubles. Knowing what causes repeated battery failures can help you stay ahead of the ...