How To Test Cell Phone Battery With Multimeter. If you really need to accurately test the battery you need a battery tester that is design to test such battery like the one in the photo. With the selection knobs help you can set the multimeter to measure a specific electrical value.
To check if the ringer of a mobile phone is faulty or damaged keep the multimeter in buzzer mode and check the ringer. Test the 5V1A mobile phone charger with 5W power. If Value on the Multimeter is 1 then the PCB is OK and there is NO Shorting.
You can read battery voltage on the label of the battery.
Your computer should be turned off and the battery should be removed The battery connects to the computer via the connector. Check battery capacity on Android. We selected 20V before proceeding to measure the level. The process is the same as above.
