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 ...

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

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 ...

️ 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 ...

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

Want to extend your car battery's lifespan? Switch off accessories, avoid long stationary periods, and protect your battery ...