Posts Tagged: Test a car battery

How to test a car battery

October 6, 2018

Test a car battery A voltage test doesn’t tell you the battery’s condition A voltage test tells you the battery’s State of Charge (SOC). But it doesn’t tell you the battery’s State of Health (SOH). To measure SOH, you need a digital battery tester.More on that later. How to test a car battery state of charge with a voltmeter Set your voltmeter dial to DC volts >12 or 15. Attach the red lead to the positive (+) car battery post (not the cable terminal) and touch the black lead to … Read More