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 ...

In this report, we’re testing Topdon’s new V4500 Plus jump-starter on a 12-volt battery that is beyond dead. The product test actually is a precursor to the formal reintroduction of “Project Black ...

Between the invention of the self starter and the end of the 20th Century, the best portable car jump starters weren’t something you carried with you. They were heavy lead-acid automotive batteries ...

If you forget to turn off your ignition or headlights, or you live in a very cold climate, or have an alternator that’s going bad, a dead battery is almost inevitably in your future. I keep a set of ...

️ Editor's note: This product category requires new testing about once a year. We'll update this article with the most recent information when it's available. This article was updated in December 2025 ...

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We may receive a commission on purchases made from links. You're living life on the edge if you're driving around without a portable jump starter in your vehicle. Even if you've got a brand-new car ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. There is no worse feeling than getting in your car, turning the key, ...