Managing your laptop’s battery can be a real task if you rely on your machine every day. Like all portable devices, there’s never enough battery to go around almost every time so managing your Windows 10 laptop’s battery source is crucial.
Fortunately, there’s an easy way to glean useful information from your Windows 10 battery. While the battery icon on the taskbar may be what most people use, there’s an even more accurate way to check the remaining battery-related information in your Windows 10 machine.
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How to generate battery report in your Windows 10 laptop
In order to get the battery report, you need to open an elevated version of the Command Prompt. Here’s how it’s done:
- Open Command Prompt by pressing Windows key + X. Make sure to pick Command Prompt (Admin) as this is necessary to extract sensitive data from the system. If prompted, give UAC or user account control permission to pull up Command Prompt (Admin).
- Once Command Prompt (Admin) is up, type in and enter: powercfg /batteryreport. This will tell your Windows 10 PC to create a battery report under C:\WINDOWS\system32\battery-report.html.
- Using file explorer, open the Battery report HTML file by double-clicking it. This file will be opened by your designated default browser like Mozilla Firefox, Google Chrome, Microsoft Edge, etc.
Interpreting the battery report
The battery report is meant to be used by end users so it’s not that technical. It’s divided into subsections that you can easily make sense of. Overall, the report should give you more information about the batteries, including their current capacity to hold a charge.
The most useful information you can get from this report though is the estimate of how long you can use your laptop in any given time based on actual usage. We understand that most users use the battery indicator percentage icon on the taskbar to estimate their batteries’ capacity but this report is way more accurate than that. Also, this report should be able to give you an idea about the overall health of the battery.
Let’s briefly discuss each of report’s section.
Installed batteries section provides specific product information about the batteries installed such as:
- design capacity
- full charge capacity.
Recent Usage section is a very handy portion of the report that should give you an idea about your batteries’ historical activities. In this section, you’ll see activation start time, power source, remaining capacity, and battery state (active, suspended). In other words, you have a detailed report of the activities of the batteries that you can use to see if there’s an abnormal period when the battery appears to be working when it’s not supposed to be so. In this section, you’ll also see Battery Usage graph.
Usage history and and Battery capacity section is useful if you’re interested to know how much your Lithium-ion battery has deteriorated over time. Remember, your laptop’s batteries can’t run forever. They’ll die eventually so if you want to get a general idea how much time you have left for them, check this section out.
Battery life estimates section gives you a more near real-time information about your computer’s battery life with regular usage. The data generated in this section relies on data the operating system has collected over time so if you only recently installed Windows, don’t expect to get an accurate reading. Like all data sources, the more information your OS has collected, the more accurate it becomes. Try to use your laptop as you intend for several days before checking the information in this tool. The longer you use your laptop, the better estimates this tool will give you.
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