One of the most significant factors affecting the performance and safety of your portable jump starter is temperature. Car ...

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 ...

The GP2000 is a 2000-amp model, which is on the lower end of the amperage spectrum for these kinds of devices (they range ...

A dead car battery is frustrating, especially when you're short on time. It can also be dangerous, depending on where you've broken down. What's worse is relying on others for jumper cables isn’t ...

Dead batteries don't care if you're late for work or headed to a weekend Cars & Coffee. They'll leave you stranded all the same. That's why a reliable jump starter isn't just a handy gadget; it's a ...

You get back to your car after a "quick" errand, turn the key, and the battery gives you nothing but a lonely click. You look around for help, but the parking lot is empty already. Now it's just you, ...

Editor’s Note: We test and review every product we recommend.Read how MotorTrend tests products here. Don’t let a dead battery suck the juice out of your morning. With a little bit of preparation, you ...

We may receive a commission on purchases made from links. We've all heard (or told) the story before. It's too early to be alive, you forgot to restock your coffee supply, and you're wearing what you ...

Consider a portable jump starter an essential part of your car's emergency kit. It might literally save you in an emergency. By Stan Horaczek Published Oct 7, 2025 3:15 AM EDT We may earn revenue from ...