A car battery is a crucial component that plays a vital role in the operation of a vehicle. Its primary function is to provide electrical energy to start the engine and power various electrical ...

Although your vehicle's battery is essential to its operation, it's also easy to forget about—or at least take for granted—when everything is running smoothly. That, of course, changes when your ...

A car battery that works fine in September can leave you stranded in January. Cold temperatures expose weakness you didn't ...

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 ...

Shopping for a car battery? Read about types, features, and other must-know topics in our car battery buying guide to make an ...

These are the best car batteries for cold weather, based on Consumer Reports' extensive tests. Plus, expert advice on car ...

Choosing the wrong replacement battery can turn a reliable daily driver into a car that struggles to start, especially in ...

The Topdon BT200 Battery and Charging System Tester showed up at exactly the right time. I’ve gotten a couple of sporadic check engine lights from a low-voltage code with no noticeable difficulty ...

️ 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 ...

So you've successfully jump-started your car back to life; what's next? The last thing you want to do is immediately shut off the ignition and hope the engine roars back to life the next time you turn ...