This built-in Windows tool can diagnose your PC's battery health
If your laptop doesn't seem to hold a charge as well as it used to, start by checking the diagnostics this tool can report. We'll show you how to use it.
Windows laptops have a built-in tool called Powercfg that can help diagnose battery health. This often-overlooked utility is crucial for monitoring a laptop's battery and overall performance. Batteries are a key factor in a laptop's longevity, and a failing battery can significantly impact performance and even prevent the device from booting up.
Powercfg, short for Power Configuration, is a powerful diagnostic tool that allows users to monitor and manage their computer's energy efficiency and system states. When run on a laptop, it becomes an especially powerful utility for maintaining optimal battery health.
Signs of a deteriorating battery include slower charging, random shutdowns, and bulging. To use Powercfg, one must open the Terminal window as an administrator and type simple commands. Starting with powercfg /batteryreport generates a comprehensive HTML report of the laptop's battery status, which can be saved and analyzed. A healthy battery should have a full charge capacity close to the design capacity.
If the full charge capacity is significantly lower, such as below 40 percent, it may be time for a replacement, as suggested by Dell.
Powercfg /energy is another useful command that performs a quick check on battery health and laptop efficiency. This command also generates an HTML report, highlighting potential issues like power-draining apps or devices. By regularly using Powercfg, users can proactively maintain their laptop's battery health and avoid unexpected shutdowns or performance issues.
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