How To Test Laptop Battery With Multimeter?

By zain

As a computer user, one of the most important things to keep an eye on is the health of your laptop battery. A battery that is not functioning properly can cause a lot of headaches and inconvenience, so it’s important to test it regularly to ensure that it’s working as it should. One of the most accurate ways to test a laptop battery is with a multimeter. In this article, I will show you how to test your laptop battery with a multimeter in a few simple steps.

How To Test Laptop Battery With Multimeter?
Testing Using Multimeter

Also Read: How To Test Laptop Charger?

How to Test a Battery Using a Multimeter

Here is a step-by-step guide on how to test a laptop battery using a multimeter:

Step 1: Gather Materials

How To Test Laptop Battery With Multimeter?
Laptop battery & Screwdriver
  • Laptop battery
  • Multimeter
  • Screwdriver (if necessary to remove the battery from the laptop)

Step 2: Remove The Battery From The Laptop

How To Test Laptop Battery With Multimeter?
Remove The Battery
  • Turn off the laptop and unplug it from any power source.
  • Remove the battery from the laptop by following the manufacturer’s instructions or by using a screwdriver to remove the screws that hold the battery in place.

Step 3: Set The Multimeter To The Appropriate Setting

How To Test Laptop Battery With Multimeter?
Multimeter Appropriate Setting
  • Set the multimeter to the setting for measuring DC voltage, which is typically denoted by a “V” with a straight line above it or the letter “V” next to a diagonal line.

Step 4: Take The Voltage Reading

How To Test Laptop Battery With Multimeter?
Voltage Reading
  • Touch the positive (red) multimeter probe to the positive terminal of the battery and the negative (black) probe to the negative terminal of the battery.
  • Take note of the voltage reading on the multimeter display.

Step 5: Compare The Reading To The Battery’s Rated Voltage

How To Test Laptop Battery With Multimeter?
Compare The Voltage Reading
  • Compare the voltage reading you took to the rated voltage for the battery, which is typically listed on the battery or in the manufacturer’s documentation. The reading should be close to the rated voltage.

Step 6: Repeat The Test With Different Multimeter

How To Test Laptop Battery With Multimeter?
Test With Different Multimeters


The above steps are general guidelines and the actual steps may vary depending on the type of multimeter you are using, and the type of battery you are testing. It’s always recommended to consult the manufacturer’s instructions for your specific multimeter and battery before testing.



Arsal is a laptop expert and Owner of LaptopXL, a website that provides solutions to laptop problems. With his extensive knowledge of laptops and years of experience in the field, Arsal is able to diagnose and troubleshoot a wide range of laptop issues.

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