The easiest way to fix a battery driver issue in Windows 11 is to uninstall the "Microsoft ACPI-Compliant Control Method Battery" in Device Manager and restart your PC. This forces Windows to download a fresh copy automatically without you needing to search for files manually.
If your battery isn't working correctly (not charging, wrong percentage, missing icon), the problem is rarely a missing driver. Try these steps instead: battery driver windows 11 download