How To Test Laptop Battery With Multimeter? In Few Steps

You want to use your laptop every day but you don’t want to worry about a dead battery. You want to use your laptop without thinking about batteries. you have seen so many ads telling you that your battery might be weak.

And you have heard so many horror stories of people whose laptop batteries died. All these stories make you wonder. Is it really worth checking your battery every single day?

You want to spend time on the web surfing or watching videos, but you know that if your battery dies, you will have to spend hours and hours finding a new battery. But it’s not just fair who wants to waste their time looking for a battery? Especially since a new battery will cost you around $50.

 In this article, we discussed the process of How To Test Laptop Battery With Multimeter?. If you’ve determined that your laptop battery requires external charging, you can refer to our guide on “Charging a Laptop Battery Externally” 

Sounds good?

Let’s dive in…

How To Check Laptop Battery With Multimeter?

How To Test Laptop Battery With Multimeter?

Here’s how you can Check your Laptop Battery With a Multimeter Device

Step 1

Keep your laptop battery fully charged.

Step 2

If the laptop has a lower rating than the voltage you have measured, you should consider replacing the battery. Many laptops feature voltages ranging from 9. 6V to 10. 8V, 11. 1V, 14. 4V is also determined by the voltage rating of the power supply that provides the battery with energy.

The laptop uses a lithium-ion battery for energy storage. This sort of battery is much costlier and heavier than other types of batteries. Lithium-ion batteries are safe, but they can overheat or catch fire if not handled properly. If your laptop overheats or catches fire, do not attempt to use it.

Step 3

The power connector on the bottom of the battery is what you’ll need to plug into the wall outlet to charge the battery. There are two types of connectors on the back of the battery. One is the standard Apple 30-pin connector and the other is a special connector for charging only. Both are located in the lower-left corner of the battery.

The outermost of these slots will be the positive and negative terminals of the battery.

Step 4

Measure the voltage of the battery with the multimeter, and record it on your sheet. You will need a multimeter to determine whether you have 20 volts or not. A multimeter is a device that is used to test voltages.

In this case, you are measuring the voltage that is present on the power supply of your device. A multimeter has a 20-volt scale which is represented by the letter V. If you are reading a voltage that is higher than 20 volts, you will see a number above 20.

Step 5

The next step is to connect your multimeter to the battery and ensure that you are measuring the voltage across the positive and negative terminals. You should find that the battery is at around 12.6 volts.

This is the best thing to do if you want to get the most out of your electric guitar. It’s simple to use, and you can save yourself a lot of money in the long run by doing it this way.

Step 6

You might want to check your meter, but it’s ok if the battery is in good condition. In a similar vein, measure the readings when the battery falls to 60%, 70%, and 80% to obtain the readings. There is no such thing as an accurate reading.

The laptop’s battery is still charged, so it could last through many hours of work, but you’d need to unplug it every so often to prevent its charging voltage from dropping.

As the voltage reduces, the battery’s capacity becomes reduced to the extent that it’ll remain dead eventually.

I’d say that it’s almost impossible to use a dead battery just because of the protective circuits inside the battery.

How To Diagnose Laptop Battery Health?

How To Test Laptop Battery With Multimeter?

A laptop’s battery life is measured in minutes, hours, and even days. Your battery should last at least two full workdays before you need to recharge. If your laptop battery is not holding a charge, it will drain over time.

This can quickly become a serious problem as you will need to charge your laptop every day. If your laptop does not hold a charging, then it is time to diagnose the battery issue.

Check Your Charging Port You must first determine whether or not the battery is charging. There are two places where the battery connects to the motherboard: the power connector and the charging port. To check for proper charging, look for any signs of current flowing through the charging port.

If there are no signs of current flowing through the port, then your battery is not charging. If you see any signs of current flowing through the charging port, then the battery is charging and you will need to proceed to the next step.

If the battery is not charging, then you need to check the power connector. If you are unable to see any signs of current flowing through the power connector, then the battery is likely dead. You should remove the battery and attempt to charge it.

How to Check Laptop Battery Health Windows 10 

How To Test Laptop Battery With Multimeter?

Laptops today have incredible processing power, but they rely on a small, rechargeable battery that requires frequent charging. A slow battery can be a deal-breaker.

It’s important to keep an eye out for potential problems, and the first thing to do if you notice anything wrong is to replace your battery.

Windows 10 has a handy feature that shows your laptop’s battery life.

We’ll show you how to check your laptop’s battery health in Windows 10

Right-click the Start button.

Select Windows PowerShell (Admin).

pic here Source report window central

When the blue PowerShell window appears, type or paste powercfg /battery report /output “C:\battery-report.HTML” into it.

Press Enter.

PowerShell will generate a battery report and save it to your computer.

To access it, type This PC into the Windows search bar.

Left-click the This PC application that appears.

pic 2 Source report window central

Under the “Devices and drives” header, click on the C drive.

Find the battery-report.html file and click on it.

This will allow you to read the battery report generated by the PowerShell program. You can see the specifications of your laptop’s battery every time it’s been used in the last three days, an estimated average battery life based on previous battery drain, and other statistics in this report. If the battery report shows signs of damage, the report will alert you and recommend replacing the battery.

How long do laptop batteries last?

How To Test Laptop Battery With Multimeter?

It’s important to know when your laptop battery needs replacing if you want to get the most out of your investment. A few quick tips to get the most life out of your computer battery are:

Step 1

Make sure your battery is clean. Laptop batteries are usually cleaned every 3 to 6 months, but there are other ways to keep your laptop’s battery working properly. Charge your battery to full capacity at least once a week. Your battery will last longer if you have charged it completely.

Do not plug your laptop into an outlet when the battery is low. This can damage your battery. If your laptop needs charging, connect it to a power adapter instead of a wall socket.

Step 2

Plug your laptop while it’s charging. This keeps the heat off your laptop, and your battery life will be extended. If you are using an AC adapter with your laptop, plugging it into a power strip can also keep the heat off your laptop. Keep your laptop away from heat sources.

When you’re not using your computer, keep it in a cool room or on a table where there’s no direct heat. Keep your laptop away from open flames. Your laptop is made of delicate plastic and metal.

Step 3

Charge your laptop fully at least once every two weeks. The reason is simple: Laptops, as well as other portable devices such as tablets and smartphones, are battery-powered.

If they aren’t charged, they can quickly lose capacity and even cause damage to the battery and other components.

Step 4 

You can use a power source to plug your laptop into. If your laptop has a battery life indicator, you might want to plug it in when the indicator is low however if you’re concerned about draining the battery too quickly, it’s better to plug it in when it’s at 100% and you’ll have some extra time to work.

If your laptop is plugged in, you may want to shut down other processes that are consuming resources, so that they don’t interfere with your work. You can use a power source to plug your laptop into.

Step 5

Use your laptop’s sleep mode. Turn off your computer when you’re not using it, and set your computer to sleep mode. Your battery life will be extended, but this may impact your computer’s performance. Use your laptop’s power settings to save energy. Turning down your screen brightness and using a low resolution will extend the life of your battery.

Is it OK to leave a dead battery in a laptop?

Is it OK to leave a dead battery in a laptop?

It depends on the battery type Some laptops come with a built-in battery that’s designed to last for two or three years. These batteries are often called “sealed” batteries because they’re sealed in the computer and cannot be removed without damaging the battery or the computer. and how long it’s been dead.

Generally, it’s not a good idea to leave a battery in a laptop for a long period of time because it can damage the laptop battery. This may also void the warranty. If you plan on leaving your laptop unattended for an extended period of time, take the battery out before you leave.


Now you get This Point: how to test a laptop battery with a multimeter? The above article shows how to test a laptop battery with a multimeter. So, the Multimeter (which is a small handheld electronic device used to measure electrical current, resistance, capacitance, and voltage) helps to find out the battery capacity.

It helps to measure the capacity of a battery in terms of mAh (milliamp hours) and can be compared with other battery capacities. So, the capacity of the battery is found after measuring its voltage and current.