A jump start uses a working battery to supply enough current for the starter motor, then lets the alternator recharge the flat battery once the engine runs. The risks come from sparks, incorrect ...

A jump starter can pay for itself the first time that you use it, without waiting around for a tow truck. Between the invention of the self starter and the end of the 20th Century, the best portable ...

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, ...

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Being stranded due to a dead car battery is both inconvenient and potentially hazardous, so having a ...

Portable car battery jump starters can be essential in case of a battery emergency. If your car refuses to start from a weak or dead battery, these compact devices can jump-start your car wherever you ...

You're living life on the edge if you're driving around without a portable jump starter in your vehicle. Even if you've got a brand-new car and/or a battery, there's always the risk of your engine not ...