This policy setting specifies the percentage of battery capacity remaining that triggers the reserve power mode.If you enable this policy setting you must enter a numeric value (percentage) to set the battery level that triggers the reserve power notification.If you disable or do not configure this policy setting users can see and change this setting.
Policy path:
System\Power Management\Notification Settings
Scope:
Machine
Supported on:
At least Windows Server 2008 R2 or Windows 7
Registry settings:
HKLM\Software\Policies\Microsoft\Power\PowerSettings\F3C5027D-CD16-4930-AA6B-90DB844A8F00!DCSettingIndex
Filename:
Power.admx