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. The expected ...

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 ...

They also produce the energy required to maintain consistent voltage. Thus ... Now that you have learned how to charge your car battery, you may consider using a multimeter to test the battery in the ...

as mentioned by several readers, you’ll want to use a 5 volt ... way to test when you are all done wiring: cut a standard usb cable in half. plug the male end into your usb battery.