Battery problems rarely arrive out of nowhere. Long before a car refuses to start or a phone dies at 20 percent, small changes in behavior reveal that the power source is struggling. I look for those ...

Add Yahoo as a preferred source to see more of our stories on Google. Many motorists will need their car batteries replaced this January, experts say. (Getty Images) (Natalia Kokhanova via Getty ...

. It provides the necessary power to start the engine and supports electrical systems like the lights, radio, and climate control. However, batteries do not last forever, and knowing when to replace ...

Even before cars were primarily powered by electricity, batteries have been a vital automotive part, working alongside the gas-powered engine. Thanks to your car's battery, you have essential features ...