Including our best, most powerful tested option.

️ 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. Dead batteries don't care if you're late ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › If you’ve ever tried to start your car, but the battery was dead, or you found a tire ...

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 ...

This multi-function device earns its spot in any car emergency kit with multiple functions, most of which come in handy during a crisis.

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...

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️ 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 ...

Between the invention of the self starter and the end of the 20th Century, the best portable car jump starters weren’t ...

We've all been there: You hop in your car, turn the key, and hear the dreaded click-click-click of a dead battery that can no longer turn over your starter. Now you're late for work, your coffee is ...