Q. I purchased a 2014 certified preowned BMW from a dealer in 2017. It came with a Carfax report, so I know it has the ...

In our lab tests, Car Batteries models like the Platinum AGM 94R H7-AGM are rated on multiple criteria, such as those listed below. Life: How well a battery withstands repeated charge-discharge cycles ...

While they all share a basic common purpose, car batteries are not universal. There are many kinds of car batteries, and you'll want to make sure you have the right one for your vehicle. The most ...

How well a battery withstands repeated charge-discharge cycles in high temperatures. A higher score means better reliability and voltage retention over time. How long a battery can power a car if the ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader with an 11-year-old battery that’s still working. The Car Doctor answers a question from a reader with an 11-year-old battery ...