Then you need to lower it on to jack stands to support the car's weight while you work on it Another more portable jack is a bottle jack, which uses a piston mechanism to raise a vehicle.

Last, but not least, is this electric car jack from Powerbuilt. It's a bit on the expensive side and only has a 1-ton lift capacity, but can also be used as a portable tire inflator. Lift height ...

In short: Having a portable jump-starter of your own means that you don't have to rely on another car to give you a jump. It doesn't cost a fortune to get your hands on one, either. We've gathered ...