You probably keep jumper cables in your vehicle so you can solicit a jump if your car battery dies or offer a jump to a ...

The positive post may have a red ... another vehicle to give you a jump—just take your fully charged power pack, attach it to your dead battery, and give your car a start. Just be vigilant ...

No longer must you interact with your fellow human beings if your car battery goes flat in the carpark. You can jump the car yourself, with a compact device that fits in your glovebox.

Larger portable jump-starting devices that clamp to a car's battery have become common in the past few years. But even smaller devices, which plug into a car's power outlet, are now on the market.