Index: firmware/App/Services/AlarmMgmt.h
===================================================================
diff -u -r6da7e2f207bd98e7f519784d9cd84928691a5ca2 -r47704a7ed8a9e9f5546923e64b1408896b730674
--- firmware/App/Services/AlarmMgmt.h	(.../AlarmMgmt.h)	(revision 6da7e2f207bd98e7f519784d9cd84928691a5ca2)
+++ firmware/App/Services/AlarmMgmt.h	(.../AlarmMgmt.h)	(revision 47704a7ed8a9e9f5546923e64b1408896b730674)
@@ -156,6 +156,7 @@
     F32 audioCurrLG;                                            ///< Primary alarm audio current - low gain (mA)
     F32 backupAudioCurr;                                        ///< Backup alarm audio current (mA)
     BOOL safetyShutdown;                                        ///< Safety shutdown activated? (T/F)
+    BOOL acPowerLost;                                           ///< Has A/C power been lost? (T/F)
     U08 uiAlarmButtonBlocks[ NUM_OF_ALARM_BUTTON_BLOCKERS ];    ///< Flags indicating UI alarm buttons blocked by alarm table or state
 } ALARM_INFO_PAYLOAD_T;