
An automotive battery operates on conventional mechanisms that are easy to analyze with simple instruments. You don't have to be a scientist or auto expert to check the status of this important feature under the hood.
A hydrometer is a basic device that's engineered to measure the ion and water levels inside the cells of a car battery. Based on the readings, you might have to add the appropriate volume of distilled water to each of the six cells. A voltmeter is another item that you need to thoroughly analyze the performance of an auto battery...