Windows 10 and Windows 8 have a nice feature to build a battery report. Using the data provided in that report, you can get a lot of useful information about your battery, including how its capacity has decreased over time and battery usage statistics.
This is possible thanks to the built-in tool powercfg. Since Windows 8, it is able to generate a detailed report in HTML format about your battery. You can create it as follows.
- Open an elevated command prompt.
- Type the following command:
- Now, open the file created by powercfg in your favorite web browser.
The report generated by powercfg includes a lot of information which is grouped into logical sections. It starts with general information about your device, including its manufacturer and the model name.
The Installed batteries section comes with detailed info about its name, serial number, and battery chemistry type. It also includes the design capacity, charge cycle count and full charge capacity. The last parameter, when compared with the design capacity value, shows how much the battery has degraded over time. The charge cycle count shows how many times the battery was charged.
This battery report is incredibly useful when you need to get detailed information about your battery’s capacity and usage. It will give you a better understanding of whether you need to replace the battery or not.
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