How to Check Battery Health in Windows

Batteries are a critical component of any laptop or mobile device, and it’s important to keep an eye on their health to ensure optimal performance and longevity. Fortunately, Windows provides a built-in tool for checking battery health, and it’s easy to use.

In this guide, we’ll walk you through the steps to check your battery health in Windows, including how to generate a battery report and interpret the data.

Step 1: Open Command Prompt as Administrator

To generate a battery report in Windows, you’ll need to use the Command Prompt. Here’s how to open it as an administrator:

  1. Click on the Start button and type “Command Prompt” in the search bar.
  2. Right-click on the Command Prompt app and select “Run as administrator“.

Step 2: Generate a Battery Report

With Command Prompt open as an administrator, you can now generate a battery report. Here’s how to do it:

  1. In the Command Prompt window, type “powercfg /batteryreport” and press Enter.
  2. Wait a few moments while Windows generates a battery report. The report will be saved in the C:\Windows\System32 folder.

Step 3: View the Battery Report

Now that you’ve generated a battery report, you can view it in your default web browser. Here’s how to do it:

  1. Open File Explorer and navigate to the C:\Windows\System32 folder.
  2. Find the “battery-report.html” file and double-click on it to open it in your default web browser.

Step 4: Interpret the Data

The battery report provides a wealth of information on your battery’s health, including its capacity, cycles, and usage. Here’s a breakdown of some of the key data points:

  • Installed batteries: This section shows you the number of batteries installed in your device, as well as their current status.
  • Recent usage: This section provides an overview of your battery usage over the last three days, including the amount of time your device was in use and the amount of time it was in sleep mode.
  • Battery usage: This section provides a more detailed breakdown of your battery usage, including the average battery life during use and sleep mode, as well as the time the battery was last fully charged.
  • Battery capacity history: This section shows you the historical capacity of your battery, as well as any changes in capacity over time.
  • Battery life estimates: This section provides estimates of your battery’s remaining life based on its current capacity and usage patterns.

Overall, the battery report provides a comprehensive overview of your battery’s health and usage, and can help you identify any issues or potential problems. If you notice any abnormalities or a significant drop in battery capacity, you may want to consider replacing your battery to ensure optimal performance and longevity.


Checking your battery health in Windows is a simple and straightforward process that can provide valuable insights into your device’s performance and longevity. By following the steps outlined in this guide, you can generate a battery report and interpret the data to ensure your battery is in good health and functioning optimally.

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