How well a battery withstands repeated charge-discharge cycles in high temperatures. A higher score means better reliability and voltage retention over time. How long a battery can power a car if the ...

Cars of all kinds are equipped with batteries, and they don't last forever. Car batteries will show signs that they need to ...

Our latest tests show that shopping for a car battery by brand name alone can be a big mistake, both in terms of performance and in cost. But our latest Ratings make it easy to find the best one for ...