This policy setting allows you to configure definition updates when the computer is running on battery power.If you enable or do not configure this setting definition updates will occur as usual regardless of power state.If you disable this setting definition updates will be turned off while the computer is running on battery power.
Policy path:
Windows Components\Windows Defender\Signature Updates
Scope:
Machine
Supported on:
At least Windows Server 2012 Windows 8 or Windows RT
Registry settings:
HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates!DisableScheduledSignatureUpdateOnBattery
Filename:
WindowsDefender.admx