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 ...

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 ...

Noah is a long-time writer, editor, website developer, and creative based in the United States and currently focused on automotive writing. Electric and hybrid powertrains and battery specifications ...

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 ...

Learn how to make your car battery last longer with this expert advice from CR. These simple steps will catch any battery issues before they cause trouble.

The battery is perhaps the most important aspect of your car that's always overlooked, and these five are notably ones you'll ...

️ 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 ...