To help our members make a smart decision about replacing their car battery, Consumer Reports tests more than 100 individual car batteries in our lab every year. And not just once—in fact, we test ...

Car battery specs conform to standards developed by the Battery Council International (BCI) and the SAE. Many of the specs appear on the common battery label or sticker as well as in battery ...

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

While replacing a car battery used to be a fairly simple process, it’s often much more complicated in modern cars. After reading some of the potential problems noted below, you may decide it’s a chore ...

The modern automobile is an amazing piece of technology that most of us rely on every day for our transportation needs but often take for granted. Of course, when it won't start our lives are ...

️ 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 ...

Testing your battery regularly will prevent a dead battery from ruining your day. There’s only one way to answer the question, “Is it my battery, or something else” when your car won’t start: Hook up ...