Okay, we'll admit from the start that this is sort of a trick question. Technically, you can indeed jump-start a V8 with a four-cylinder, but the ability to do so really has nothing to do with ...

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

The amount of amps you need from your portable jump starter depends on the type of vehicle you are trying to jump-start. Generally, smaller vehicles with smaller engines require less current, while ...

Using a jump box is safe in most circumstances, although it is possible to damage both your car and yourself. If you connect ...