Policy
Allow security intelligence updates when running on battery power
This policy setting allows you to configure security intelligence updates when the computer is running on battery power. If you enable or do not configure this setting, security intelligence updates will occur as usual regardless of power state. If you disable this setting, security intelligence updates will be turned off while the computer is running on battery power.
b4bbf9821437SignatureUpdate_DisableScheduledSignatureUpdateonBatteryRegistry
Copy registry mappings
HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates\DisableScheduledSignatureUpdateOnBattery (enabled) = 0
HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates\DisableScheduledSignatureUpdateOnBattery (disabled) = 1Policy notes
This policy setting allows you to configure security intelligence updates when the computer is running on battery power. If you enable or do not configure this setting, security intelligence updates will occur as usual regardless of power state. If you disable this setting, security intelligence updates will be turned off while the computer is running on battery power.