Portable jump starters have proven themselves invaluable, replicating the functionality of old-school jumper cables while adding other features and being easier to carry as well. If there's one catch ...

Loose or corroded battery terminals restrict electrical power from reaching the rest of the vehicle, making it difficult to start even with a jump. Remove the cables from the terminals and clean them ...

I have a lot of experience jump starting cars because I have a long history of driving shitboxes, I'm usually too cheap to buy brand new batteries, and I'm the kind of forgetful that leaves headlights ...

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 ...