Shopping for a car battery? Read about types, features, and other must-know topics in our car battery buying guide to make an informed choice.

The average car battery has a lifespan of about three to five years. Proper maintenance and care can make a big difference if you know what you're doing.

Car batteries tend to die at the most inconvenient moments, so periodic testing is the best way to avoid these troubles. Knowing what causes repeated battery failures can help you stay ahead of the ...