If you forget to turn off your ignition or headlights, or you live in a very cold climate, or have an alternator that’s going bad, a dead battery is almost inevitably in your future. I keep a set of ...

Turning your car over and not hearing the expected sounds from the engine is enough to send waves of frustration over your body. Generally, this shouldn’t be a problem if you have jump starters, but ...

Between the invention of the self starter and the end of the 20th Century, the best portable car jump starters weren’t something you carried with you. They were heavy lead-acid automotive batteries ...

Portable jump starters marketed at "5,000A" use peak amps, a momentary surge figure unrelated to the 400-600 cold cranking ...

Add Yahoo as a preferred source to see more of our stories on Google. Imagine this: a frosty morning, your car refusing to start after a long winter's nap, or the middle of nowhere with no help in ...

The Avapow A07 is one of the best portable jump starters because of its remarkable value. Usually, this 1,500-amp battery is around $70, but right now, it’s just under $50. The 2,000 Amp option, ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." If you forget to turn off your ignition or headlights, or you live in a very cold climate, or have an ...

Contrary to popular belief, the Car and Driver fleet doesn't consist only of brand-new cars—there's a solid group of clunkers out back that have been acquired over the years. (“The Boneyard,” as we ...