Why does the EV9 not charge its 12V battery to a full 14.4V when plugged into a Level 2 charger? This owner's ordeal exposes ...

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

When your car refuses to start, the culprit is often a weak or dying battery. The TOPDON BT100 Car Battery Tester aims t ...

These days, the market is flooded with portable tire inflators. Sorting through them can be a headache, especially if you're ...

Battery life remains the number one complaint about the Apple Watch. Yet, there are now many ways to improve the staying power of the smartwatch. Whether tinkering with display settings, optimizing ...

They’re everywhere today, but lithium-ion jump starters only first appeared in 2013. Now there are thousands of them (see our favorite portable jump starters), and what was once an expensive specialty ...

Go to Settings > Battery > Battery Health to check the iPad battery health. If your iPad doesn't have that option, coconutBattery and iMazing can check the battery health from a computer. Consider ...

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

Fans of the Makita Ni-Cd battery will be devastated to learn it has been discontinued by the power tools maker, but what ...

Apple rolled out the first commercial release of iOS 26 last week, bringing the new Liquid Glass user interface to millions of iPhone users. Liquid Glass was the most controversial aspect of iOS 26 ...

Does your iPhone battery need a boost? These Apple iPhone battery tips and tricks will help get you through the times you can't get a charge. As how-to editor, Jason unpacks modern technology to help ...