How-To Check Your Windows Laptop's Battery Health

Authored by: Support.com Tech Pro Team

1. Check Windows Laptop Battery Health

Checking Your Windows Laptop's Battery Health

Checking your Windows laptop's battery health is important to ensure that your battery is functioning optimally. Here's a step-by-step guide on how to do it:

Using Built-in Windows Tools:

Open Power & Sleep Settings:

Right-click on the battery icon in the taskbar (bottom-right corner) and select "Power & sleep settings."

Additional Power Settings:

In the Power & sleep settings, scroll down and click on the link that says "Additional power settings."

Access Power Options:

In the Power Options window, you will see your current power plan. Click on "Change plan settings" for your selected plan.

Advanced Power Settings:

On the next screen, click on the "Change advanced power settings" link.

Battery Health:

In the Advanced Power Options window, scroll down to find the "Battery" section.

Here, you should see options like "Critical battery action" and "Critical battery level." There might also be an option for "Battery health."

Using Windows Command Prompt:

Open Command Prompt as Administrator:

Search for "Command Prompt" in the Start menu.

Right-click on "Command Prompt" and choose "Run as administrator."

Run Battery Report:

In the Command Prompt window, type the following command and press Enter:

powercfg /batteryreport /output "C:\battery_report.html"

Locate Battery Report:

After running the command, a battery report will be generated and saved in the root directory of your C: drive (C:).

Open File Explorer and navigate to "C:" to find and open the "battery_report.html" file.

Interpreting Battery Health Information:

When checking your laptop's battery health, look for indicators such as "Full Charge Capacity" compared to the design capacity. A healthy battery should have a full charge capacity close to its original design capacity. If you notice a significant decrease in capacity or a high number of charge cycles, it might indicate that your battery health is declining.

Keep in mind that battery health can naturally degrade over time, especially after a certain number of charge cycles. If you notice a severe decrease in battery capacity, consider contacting your laptop's manufacturer for further guidance or potentially replacing the battery.

Please note that the steps and options mentioned might vary slightly based on your Windows version and laptop model.

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