Index: firmware/App/Drivers/Battery.c
===================================================================
diff -u -r0a4dcd288d4347b85baaa0b07da568b6add5eac7 -r88868fb5e8f2fcc82f50a952be700863f3cbe19c
--- firmware/App/Drivers/Battery.c	(.../Battery.c)	(revision 0a4dcd288d4347b85baaa0b07da568b6add5eac7)
+++ firmware/App/Drivers/Battery.c	(.../Battery.c)	(revision 88868fb5e8f2fcc82f50a952be700863f3cbe19c)
@@ -212,6 +212,27 @@
 
 /*********************************************************************//**
  * @brief
+ * The isACPowerLost function determines whether A/C power loss has been
+ * detected.
+ * @details Inputs: none
+ * @details Outputs: none
+ * @return TRUE if A/C power loss condition is in effect, FALSE if not
+ *************************************************************************/
+BOOL isACPowerLost( void )
+{
+    BOOL result = TRUE;
+
+    if ( ( FALSE == isAlarmConditionDetected( ALARM_ID_HD_AC_POWER_LOST ) ) &&
+         ( FALSE == isAlarmConditionDetected( ALARM_ID_HD_AC_POWER_LOST_IN_TREATMENT ) ) )
+    {
+        result = FALSE;
+    }
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
  * The getBatteryRemainingCapacity_mWh function returns the latest battery
  * remaining capacity (in mWh).
  * @details Inputs: batteryRemCapacity_mWh
@@ -622,7 +643,7 @@
                 if ( 0 == ( BatteryStatusData.BatteryChargerStatus & BATTERY_CHARGER_STATUS_AC_PRESENT_MASK ) )
                 {
                     // Pre-Treatment, Treatment, or Post-Treatment mode
-                    if( opMode == MODE_PRET || opMode == MODE_TREA || opMode == MODE_POST )
+                    if ( opMode == MODE_PRET || opMode == MODE_TREA || opMode == MODE_POST )
                     {
                         SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_AC_POWER_LOST_IN_TREATMENT, BatteryStatusData.BatteryChargerStatus );
                     }
@@ -635,6 +656,7 @@
                 else
                 {
                     clearAlarmCondition( ALARM_ID_HD_AC_POWER_LOST );
+                    clearAlarmCondition( ALARM_ID_HD_AC_POWER_LOST_IN_TREATMENT );
                 }
             }
             // Publish battery status data after reading battery charger status (last status read)