Jump-starting a car means transferring current from a live battery to a dead battery by creating a circuit to charge the battery. After jumping a car, it’s important to keeping it running for a while.

If your car or truck won’t hold a charge, or if you’re having signs electrical gremlins like dimming headlights, you probably ...

Your car won't start for the second day in a row. You ask your neighbor for a jump (again) and head off to work — late, of course. You come to the conclusion that it has to be the battery or the ...

A dead car battery is one of the most frustrating issues we all run into from time to time. And that’s why having a jump starter on-hand can be a game changer. That said, a good unit doesn’t just ...

A car battery is essential for your car to function properly. It will power the starter motor when you fire up your engine, and will power every one of your car’s electrical components. They perform a ...

What is all the recent hype about belt hybrids? Is it going to shatter the world of hybrids? Not exactly. The belt system, Belt Alternator Starter (BAS) is the least a carmaker can do, and still claim ...

In this age of multiple electrical accessories, even 4x4s are beginning to feel the power drain. In addition to its regular charging duties, the stock alternator is taxed with CD and DVD players, ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Recently, I saw a post on social media about using a tool battery to jumpstart a car.

Editor’s note: This article was last updated on Jan. 17, 2023. It has been reviewed by Cars.com Senior News Editor Jennifer Harrington and is still accurate. All it takes is experiencing a polar ...