Cold weather exposes weak batteries fast. Here’s how to spot the warning signs—and replace it before winter leaves you stuck.

There’s only one way to answer the question, “Is it my battery, or something else” when your car won’t start: Hook up the best car battery tester and get a readout of what’s going on. Skip the ...

Car batteries tend to die at the most inconvenient moments, so periodic testing is the best way to avoid these troubles. Knowing what causes repeated battery failures can help you stay ahead of the ...

Dead batteries are the silent killers of garage-kept cars. If you store your car for any stretch longer than a long weekend—whether it's a Ferrari, a Fox-body, or a family hauler, you should use a ...

️ Editor's note: This article was updated with new information in December 2025. Dead batteries are a predictable reality for any car that spends more time parked than driven. Battery discharge does ...

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 ...

A dead car battery can leave you stranded, which can be inconvenient at best or downright dangerous at worst. In many cases you can jump-start the vehicle, but that’s not always possible. Reviving a ...

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 ...

Modern electronic technologies like smartphones, laptops, and electric vehicles (EVs) are in high demand. As these technologies evolve with more and more functionalities, the demand for better, more ...