Critical battery alarm level(AC)

Specifies the percentage of battery capacity remaining that triggers the critical battery alarm action.

If you enable this policy setting, you must enter a numeric value (percentage) to set the battery level that triggers the critical notification.

To set the action that is triggered, see the "Critical battery alarm action(AC)" policy setting.

Critical battery alarm level(AC) :

Registry Hive	HKEY_LOCAL_MACHINE
Registry Path	Software\Policies\Lenovo\PWRMGRV\PowerPlan
Value Name	CriticalBatteryAlarmLevelAc
Value Type	REG_DWORD
Default Value	0
Min Value
Max Value	100