If there's an electrical component on the fritz in your car or something that's stopped working entirely, one of the first ...

You can jump-start a V8 with a four-cylinder car as long as you have enough amps. The number of cylinders doesn't actually matter, but weight does.

Battery problems rarely arrive out of nowhere. Long before a car refuses to start or a phone dies at 20 percent, small ...

️ Editor's note: This product category requires new testing about once a year. We'll update this article with the most recent information when it's available. This article was updated in December 2025 ...

Learn how to make your car battery last longer with this expert advice from CR. These simple steps will catch any battery issues before they cause trouble.

A: When it comes to vehicles, there are no truly watertight seals on every opening. Doors have drains that allow water that ...

Windows 11 has a built-in report that provides insight into your laptop's battery health (and whether a replacement is needed).

We've already had heaping helping of arctic weather to start this winter out, and with that in mind, it might be a good idea to take a look at prepping ...

Car batteries rely on a chemical reaction to start vehicles. The age of your battery plays a huge role in its voltage and ability to start a vehicle in lower temperatures. Winter is almost here, and ...

Cold weather has a way of exposing weak links in your car, and the battery is almost always the first to fail. Plenty of vehicles that ran perfectly fine all summer suddenly refuse to start once ...

Lando Norris is back in the car for a post-season test. Clive Rose/Getty Images Newly crowned Formula 1 world champion Lando Norris is back in his McLaren today for a post-season test. The Englishman ...