A jump start uses a working battery to supply enough current for the starter motor, then lets the alternator recharge the ...

It's easy to take for granted your car's ability to start up when you turn the key — until one day it doesn't. Then you're left with two options: Try to get a friend to come over and give you a jump ...

Jump starters used to be bulky, expensive, and something only serious gearheads kept in the garage. Now they're compact ...

It's all too easy to take your car for granted — until one day, you turn a key or push a button and nothing happens. Then you're left with two options: Get a friend to come over and give you a jump, ...

I’ve been writing about cars, car accessories, and car electronics for more than 30 years and have owned almost a dozen cars over that time. Half of those vehicles were older and several only driven ...

️ 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 ...

Editor’s Note: We test and review every product we recommend. Read how MotorTrend tests products here. Don’t let a dead battery suck the juice out of your morning. With a little bit of preparation, ...

Editor’s Note: We test and review every product we recommend.Read how MotorTrend tests products here. Don’t let a dead battery suck the juice out of your morning. With a little bit of preparation, you ...