When selecting a car battery, it's important to consider factors like cold cranking amps, reserve capacity, and warranty ...

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 ...

While EV batteries do degrade, it happens so slowly that the battery will likely outlast the car. Even if you do see ... First, look at this chart to get an idea of the degradation curve: If ...