How To Test Battery Voltage With Multimeter. If uncertain of which to choose start with dc voltage which handles higher voltage. At about 80 degrees a fully charged battery will be around 125-126 volts.
For your battery to pass a load test the multimeter must read between 95 to 105 volts straight for 30 seconds when the battery is tested. After doing this set. Set the dial to 20 which will allow you to accurately measure between 0-20 Volts.
The red wire should meet the positive and then check its display.
Your computer should be turned off and the battery should be removed. How to Check Battery Voltage Using a Multimeter. Attach your test probes to the battery cell along with the black wire connecting to the negative. This is an optimum range for measuring batteries within 20V.
