How to Fix: Why battery percentage get stuck most of the time under 20% battery capacit

The battery percentage gets stuck under 20% due to a faulty or malfunctioning battery calibration mechanism in the system's power management software. This issue can be caused by various factors, including:

🛠️ Step-by-Step Verified Fix:

1. Step 1: Update Power Management Software: Ensure the power management software is updated to the latest version, as newer versions often include bug fixes and improvements that can resolve battery calibration issues.
2. Step 2: Run Battery Calibration Tool: Use a dedicated battery calibration tool (such as Microsoft's Battery Calculator) to manually calibrate the battery. This process can help reset the battery percentage and resolve any stuck values.
3. Step 3: Reset Power Management Settings: Reset the power management settings to their default values using the system's built-in utility or a third-party tool. This can help restore the battery calibration mechanism to its original state.