Your car's battery has to work harder in frigid temperatures. Here's why it happens, how to avoid battery issues, and how to ...

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 ...

What to do when your car won't start on a freezing morning.

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 ...

Make sure you know what your positive (+) and negative (-) battery terminals are, as the jumper cables will have to attach to them. Jumper cables are red and black for a reason. The black wire ...

Forbes contributors publish independent expert analyses and insights. Scott Kramer covers golf and luxury technology. Someone recently showed me a portable, self-functioning car battery charger, while ...