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 ...

We rank the top 10 car battery brands in the US for 2026 based on consumer reports and independent testing data.

This video tests car battery analyzers to see which ones correctly identify good batteries, bad batteries, cold batteries, ...

This Model Y was predominantly fast-charged for six months but its battery remains very healthy.

️ 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 ...

Battery condition is often evaluated during regular maintenance visits. Services such as a Porsche oil change provide an ...

Real-world data and expert battery testing show that even heavily used EVs often lose range gradually rather than suddenly ...

Auto parts stores sell products for nearly every part of your car. And there are still some services you can get for free.

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 ...

Once priced at nearly €110,000, this now six-year-old e-tron 55 sold used for €36,000 and it still has most of its original ...