Unlock the Secrets How to Check Your Laptop Battery Health

Learn how to check your laptop battery health with this easy guide. Find out your battery percentage, identify any issues, and take steps to prolong the life of your battery.

Laptop batteries are an essential component of our daily lives, as they allow us to take our work and entertainment on the go. However, like all batteries, laptop batteries will eventually degrade over time. In this blog post, we’ll go over some tips on how to check your laptop battery’s health, as well as some ways to improve it.

How to Check Your Laptop Battery Health

Windows Users:

The first step in maintaining your laptop battery is to check its health. There are a few ways to do this, depending on your operating system.

In Windows, you can check the laptop battery health using the Command Prompt. Here are the steps to follow:

1. Open the Command Prompt by pressing the Windows key + R and typing “cmd” into the Run box. Press Enter.

2. Type the following command and press Enter: “powercfg /batteryreport

3. This command will generate an HTML report of your battery’s current status and recent usage.

The report will show you information like your battery’s design capacity, full charge capacity, wear level, and more. You can also see a graph of your battery’s discharge rate over time, which can be useful in identifying patterns of usage that might be affecting your battery’s health.

You can also use the following command: “powercfg /energy” to get a report of your energy status, which can give you more information about how your battery is being used.

Check Windows Laptop Battery Health

Pressing the Windows key + R and typing “cmd” into the Run box and Click Ok.

This Command Prompt Window Opens.

type the powercfg /batteryreport” following command and press Enter.

You Can See Battery Life Report Saved to File Path C:\Users

Now You Copy It.

Now Again Pressing the Windows key + R and Paste File Path e.g “C:\User” into the Run box and Click Ok.

Your Battery Health Report Open In Your Browser.

The report will indicate your battery’s full charge capacity, design capacity, wear level, and more. A graph of your battery’s discharge rate over time can help you spot usage patterns that may be harming it.

Now you have to do a little calculation to know the battery health.

How to Find Battery Percentage?

To find the battery percentage in a battery health report, look for the section labeled “Current Capacity” or “Full Charge Capacity.” The current capacity will be listed as a percentage of the full charge capacity. This will give you an indication of the overall health of the battery and how much capacity it has left.

Open your battery report in your browser you can see “Design Capacity” and “Full Charge Capacity” below Installed Battiers.

Now open calculator and divide (÷) the “Full Charge Capacity” by “Design Capacity” you can see below.

After dividing this, whatever comes out will be the battery percentage.

Sad, my laptop battery is at 39% which means i need to replace it.

I Hope, Now you know how to find battery health and calculate battery health percentage.

Check Mac Laptop Battery Health

Mac Users:

1. Click on the Apple icon in the upper left corner of the screen.

2. Press and hold down the Option (Alt) key.

3. You will see “System Information” instead of “About this Mac…” Choose System Information.

4. Go to the Power Options by using the menu on the side.

5. In this part, you can find information about the health of the battery. Check the battery status. It will tell you if the battery is fine or if it needs to be fixed.

6. You can also find out about the battery’s current charge level, how many times it has been used, and more.

It’s important to remember that you should only use software from reputable sources that you can trust, and that you should follow the manufacturer’s instructions for taking care of and maintaining your battery.

check macbook battery

Once you’ve accessed the Power Options, you’ll be able to see the current condition of your battery. There are four possible conditions your battery might have:

  • Normal – your battery is in great shape and is functioning at optimal capacity.
  • Replace Soon – this means that the battery has started to deteriorate and it may not hold a charge as well as it did previously. You’ll need to replace it in the near future.
  • Replace Now – the battery is still functioning, but it’s not holding a charge as well as it should. It’s recommended to replace the battery as soon as possible to prevent any damage to your laptop.
  • Service Battery – The battery is in critical condition and needs immediate replacement. It may be damaged and overheating, which can cause damage to other components of your MacBook.

By regularly checking your battery health, you’ll be able to identify any issues early on and take the necessary steps to keep your laptop running smoothly. Remember to always follow the manufacturer’s instructions for care and maintenance of your battery

Tips to Improving Your Laptop Battery Health

Once you’ve checked your laptop battery health, there are a few things you can do to improve it.

Reduce Screen Brightness: One of the biggest drains on your battery is the screen. Lowering the brightness can help to extend your battery life.

Close Unused Programs: Running multiple programs at once can put a strain on your battery. Close programs that you’re not using to help conserve power.

Adjust Power Settings: Your operating system has built-in power settings that you can adjust to help conserve battery life. On Windows, you can do this by going to the Control Panel and selecting “Power Options.” On Mac, you can go to “System Preferences” and select “Energy Saver.

Calibrate Your Battery: Calibrating your battery can help to restore its original capacity. To do this, let your battery run down to 0% and then fully charge it. Repeat this process a few times.

Keep your Laptop Cool: The heat generated by your computer can shorten the battery’s lifespan. Try to keep your laptop cool by using a cooling pad or keeping it on a hard surface.

Also Read

What to do After Replacing Laptop Battery 7 Important Tips

How to Manually Charge a Laptop Battery 7 Easy Methods


Maintaining your laptop battery health is essential to ensure that you can use your laptop on the go. By regularly checking your battery health and implementing the tips outlined above, you can help to extend the life of your battery. Remember to always follow the manufacturer’s instructions for care and maintenance of your battery.


How much battery health is good for laptop?

A good battery health for a laptop is generally considered to be between 80-100% of its original capacity. This means that the battery is able to hold a charge close to or at its maximum capacity. As the battery’s capacity decreases, so does its ability to hold a charge, and the battery’s health is considered to be poor. 

How should long 100% laptop battery last?

The duration for which a 100% charged laptop battery lasts depends on various factors such as usage, power settings, and the type of laptop, on average it can last from 2-8 hours.

How do i know if my laptop battery is faulty?

Signs of a faulty laptop battery include: not holding a charge, quickly losing charge, overheating, swelling, leakage, or not charging at all. It is also recommended to check the battery health with the built-in tools or third-party softwares. if the battery wear level is low and the capacity is less than 40-50% it could be time to replace it.

Can i leave my laptop plugged in 24/7?

It is generally safe to leave a laptop plugged in and charging when not in use. However, it is a good idea to unplug the laptop when it is fully charged to prevent the battery from overcharging, which can shorten the battery’s lifespan.

What is the average life time of laptop battery?

Typically, a laptop battery can last between 2 to 5 years or around 300 to 500 charge cycles. However, with proper care, a battery can last longer. On the other hand, if the battery is frequently charged to 100% and left plugged in, the battery life can be shorter.

Whats kills laptop battery life?

Leaving your laptop plugged in when it is fully charged, high temperature, running demanding programs, using power-hungry features, not calibrating the battery, and not updating the software can all shorten the lifespan of a laptop battery.

Does replacing laptop battery improve battery life?

Replacing a laptop battery can improve battery life if the current battery is old or has a low capacity, but it will not extend the overall lifespan of a new battery. Proper usage and care, like avoiding extreme temperatures, keeping the battery level between 40-80% and calibrating the battery, can help prolong the new battery’s lifespan.

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Shoaib Ahmed
Shoaib Ahmed

Meet Shoaib Ahmed, your tech expert and affiliate specialist! With a passion for all things tech, Shoaib dives deep into the digital world to bring you the latest insights and trends. With his wealth of experience in affiliate marketing, he meticulously selects and reviews top-quality products, helping you make informed decisions. Get ready to embark on an exciting tech adventure with Mark as your trusted companion!

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