The problem is that you might’t, at least not the way that you probably want to.

If you tried to run that kind of amperage through your cigarette lighter socket, nothing good would happen.

In fact, they are perfectly capable of performing the function that theyre actually designed to perform.

A driver holding jumper cables

Car jump starters are totally safe to use, but you have to follow the same rules as normal jump starting.Paul Viant / Caiaimage / Getty Images

So What Good Are Cigarette Lighter Jump Starters?

If youre lucky, youll come back and find that your battery has enough charge to crank.

But Arent Cigarette Lighter Jump Starters Safer?

Jump-starting a car with regular jumper cables or a jump box can cause problems in two different ways.