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 ...

When temperatures plunge, the same cold that stiffens your fingers can quietly cripple the battery under your hood. Chemical ...

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

You try to turn on your car, and it just won’t start. Maybe the dashboard doesn’t even light up. A likely cause: The 12-volt battery is dead. All cars lose a little battery power when parked. If you ...

️ 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 ...