Batteries are the most important part of your car. They’re what allow you to drive, start and stop your vehicle. So it’s important that you have a healthy battery in your vehicle. And that means knowing how to properly test your battery so that when it’s time for an upgrade or replacement, you know what kind of batteries will work.

To test the battery you’ll need a tester that detects voltage levels as well as identifies if there are any problems with the current flow through it (if it has failed). A good tester will have both voltage and amperage measurements available on its display screen so you know exactly what kind of problem you’re looking at when testing out your car’s starting system (or whatever else uses electricity).

 Best for your needs. If you’ve ever wondered how a battery testerworks or if there are types of tests that can be performed on different types of batteries, keep reading!