How To Measure A Battery With A Multimeter. We previously knew that the batterys voltage is 9 Volt maximum so that we will point the dial to a higher range of 20 Volts. If youre getting a reading with a minus in front of it -126 rather than 126 youve got the probes the wrong way round.
If youre getting a reading with a minus in front of it -126 rather than 126 youve got the probes the wrong way round. First insert the black probe into the COM jack. Alligator clips should be placed on the probe tips of the meter.
If youre getting a reading with a minus in front of it -126 rather than 126 youve got the probes the wrong way round.
Once youre done removing your car batterys surface charge you may proceed with connecting the voltmeter or multimeter. Therefore your battery capacity comes out to be 8976 AH approx for exact calculation higher grade instruments are used 2. The multimeter should have a readout of around 100 sitting volts depending on your battery type. MAh or milliamp-hours are the units technicians use to measure a batterys useful operating lifetime or how long it will last when powered by normal electrical loads.
