In this article, we’ll cover the different types of batteries and how to test a 12V car battery with a multimeter. A lead-acid car battery creates electricity through a chemical reaction between ...

Your car’s battery is essential for powering everything from starting the engine to running your headlights and electronics.

In this test, your multimeter is effectively completing the circuit by linking the battery to the car. If your multimeter displays a reading greater than roughly 50 milliamps, you have confirmed ...