Remove the battery meter
Supported on: At least Windows Vista
Registry
HKCU
Software\Microsoft\Windows\CurrentVersion\Policies\Explorer Value name: HideSCAPower
Enabled: HideSCAPower = 1
Disabled: HideSCAPower = 0
Description
This policy setting allows you to remove the battery meter from the system control area. If you enable this policy setting, the battery meter is not displayed in the system notification area. If you disable or do not configure this policy setting, the battery meter is displayed in the system notification area.