When your car doesn’t start, often the battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best practice is ...

Car batteries don't just die. Something is sucking up all its power. A parasitic draw test helps you find out which part is to blame.

One of the simplest tasks a digital multimeter can perform is a basic voltage test on a car battery. Positive and negative terminals, hooked up to the car or not, will give a base number.

A multimeter is a tool used to measure voltage, current, and resistance. When the car is running, the alternator should keep battery voltage between 13.5 and 14.5 volts to keep your car from dying.