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 ...

This simple test allows you to check the health of your car's battery.

Learn more on how to test a car battery with a Multimeter. Our team of experts prepared the guide on everything you need to know about testing a car battery.

Of course the best way to test it is with a meter but not everybody has a multimeter and you don’t always have one handy. Here is a simple method to test any AA, AAA, C, D alkaline battery. How To ...

Specific Gravity Test (for lead-acid batteries): If you have a lead-acid battery with removable caps, you can check the specific gravity of the electrolyte using a hydrometer.

To test a battery’s DC charge, touch the red probe to its positive terminal and the black probe to its negative terminal; the multimeter will display the existing charge in the battery.

For all of you who have a multimeter thrown in a drawer or toolbox but don’t know how to use it, these instructions will help in your search for missing voltage.

How do you know if a resistor is correctly restricting the flow of electricity? Using a multimeter is an obvious answer. However, there is more to it than meets the eye. This article will explain ...

We’re going to be using a simple benchtop power supply to test our relay, but you can use a 9-volt battery or the 12-volt power coming from your car.