How To Check If Battery Is Good With Multimeter. But if the batterys chemical inside has become weak or worn out it will discharge quickly. Measuring DC with a digital voltmeter is safe.
The temperature outside affects the voltage of the battery. What happens to the battery voltage under load. But if the batterys chemical inside has become weak or worn out it will discharge quickly.
Place the red lead on the positive battery terminal indicated by a red cover or a symbol.
DC voltage is usually marked as a V followed by a short line with a dotted line beneath it. You would need to connect the probes to the battery terminals. Select the DC volts position on your multimeter or the 12V setting if you have a dedicated car battery test range. Place the red lead on the positive battery terminal indicated by a red cover or a symbol.
