How To Check Battery Life With Multimeter. Check the meters battery by turning the knob to battery-check. Any reading of voltage below 95 volts or if the battery holds a good record for a while and steadily drops or even when it falls instantly to 0 volts then it means there is a problem and the battery should be replaced due to its low capacity.
If the initial reading is around 5V then your battery is working but is about to go bad. Determine the Last Time the Battery Was Used. This is the figure youll use to compare to the reading on the multimeter.
Power off the computer and carefully remove.
Power off the computer and carefully remove. The battery ratings vary a lot from car to car but choosing 15-20 Volt is good enough. One of the most basic household purposes to use a multimeter is battery testing. Most car batteries are stored there but in some cars the battery is in the trunk.
