The predicted usage time (given by the battery icon on the taskbar) went down from 6 hours (ish) to around 1 hour. Windows 10 Composite Battery Driver Missing My Toshiba laptop was working fine until a few days ago. Select your Windows Vista edition and Service Pack, and then click on the Download button below. Restore Default Startup Type for Microsoft Composite Battery Driver Automated Restore. Do NOT change this service startup configuration if your computer is working. If you disable this service, Windows Vista will fail to start. Select the Start button, and then select Settings > Update & Security > Troubleshoot > Power > Run the troubleshooter. Tests show that when browsing with Microsoft Edge, your battery lasts 36-53% longer per charge than when browsing with Chrome, Firefox, or Opera on Windows 10. By default, battery saver turns itself on when your battery level goes below 20%, but you can adjust this in Battery settings.
Select the Start button, and then select Settings > System > Battery.
Microsoft Composite Battery Download Windows 10 64-bit
Here are three ways to make your battery last longer when you can't plug in your laptop or tablet.