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

A dead car battery can ruin your day, but jump starting your car is one of the simplest fixes you can do yourself. Whether you left your lights on overnight or your battery finally gave up after years ...

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.

There's no greater disappointment then getting ready for a night on the town, or packing up your car for a nice trip, and your car battery is dead. Next comes the question: is my car battery at the ...