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 ...

Most drivers expect their car to start without hesitation, but the battery behind that reliability does not last forever. On average, a standard car battery lasts about three to five years, while ...

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 ...

You must know this, but your car needs a battery to run properly. A dead battery means a car won’t start, but various electronics in the car won’t work properly either, including overhead dome lights, ...

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 ...