Some drivers have to jump start their cars regularly when temperatures drop. Here's why car batteries are so sensitive to low temperatures.

Although your vehicle's battery is essential to its operation, it's also easy to forget about—or at least take for granted—when everything is running smoothly. That, of course, changes when your ...

This 10-second headlight test reveals battery health by checking if lights dim during startup, helping predict failures ...

Your car won't start for the second day in a row. You ask your neighbor for a jump (again) and head off to work — late, of course. You come to the conclusion that it has to be the battery or the ...

While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

Extreme heat can damage 12-volt car batteries in a number of ways, including causing electrolyte evaporation, corrosion, and ...

Battery cell voltage is the most fundamental measurement made on the cell. While on the surface measuring voltage seems easy, ...

The "Battery Sleuth," as they've called it, sits between the car's battery and its electrical system, and measures fluctuations in voltage, looking for a specific set of voltage changes that act as a ...