Instead of connecting jump leads or lugging a heavy old-fashioned jump starter out of the garage, portable jump starters with powerful lithium batteries have quickly become the go-to method of ...

Portable jump starters can squeeze an incredible amount of power into a package the size of a lunch box. The best ones will hold a charge for months so they’re at the ready in case of an emergency.

This article was updated with new products and information in October 2025. You’ve heard the horror stories. Maybe you’ve even experienced that dreaded "click-click" yourself. It's a situation auto ...