The day your car won’t start isn’t the best time to shop for a new car battery. But according to our research, that’s exactly what most people do. You’ll probably have to replace the car battery once ...

The old “buy the biggest battery that fits” rule can backfire in newer cars. Many use battery management systems tuned for a specific capacity and type, so an oversized battery may stay undercharged, ...

Every battery needs a 12-volt car battery, even that newfangled electric car you're driving around. 12-volt car batteries continue to be the biggest part of the $100-billion auto battery market, and ...