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 ...

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 ...

“I firmly believe this is one of those products everyone should have on hand.” ...

We may receive a commission on purchases made from links. When you think about your car, the primary power generator in your mind may be the engine. It's true that the engine is responsible for ...

We present the best car batteries for the money in seven different sizes: Group 24/24F, Group 35, Group 47 (H5), Group 48 (H6 ...

“Saved me from having to purchase a new battery,” said one shopper. As with your personal health care, preventative maintenance goes a long way in ensuring the dependability of your vehicle. A battery ...

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 ...

Consumer Reports tested over 100 batteries to find the ones that do best in cold weather and other metrics. It chose winners ...

Your car's battery is an essential component that many drivers simply don't think about much, but some simple steps can help ...

New solid-state technology offers higher energy density and faster charging. It’s so named because it does away with the ...

My “unicorn” Volvo V90 plug-in hybrid wagon is almost four years old. Here’s how healthy its high-voltage battery is.