Index: firmware/App/Drivers/Battery.c
===================================================================
diff -u -r72350346b44261f2a9bbd23220ea11978f635039 -r7690b677a3870da643e67bd622d3b342dfac0040
--- firmware/App/Drivers/Battery.c	(.../Battery.c)	(revision 72350346b44261f2a9bbd23220ea11978f635039)
+++ firmware/App/Drivers/Battery.c	(.../Battery.c)	(revision 7690b677a3870da643e67bd622d3b342dfac0040)
@@ -36,6 +36,8 @@
 #define BATTERY_PACK_REL_STATE_OF_CHARGE_CMD        0x0D                    ///< Command to get battery pack relative state of charge.
 #define BATTERY_PACK_STATUS_CMD                     0x16                    ///< Command to get battery pack status.
 
+#define BATTERY_PACK_MIN_CHARGE_PCT                 50                      ///< Minimum battery pack state of charge in percentage.
+
 #define BATTERY_COMM_TIME_OUT_MS                    1                       ///< Battery communication time out in ms.
 #define BATTERY_MONITOR_INTERVAL_MS                 750                     ///< Battery monitor interval in ms.
 #define AC_POWER_LOST_PERSISTENT_COUNT              3                       ///< AC power lost persistent count before alarming.
@@ -50,6 +52,8 @@
 static U32 lostACPowerPersistentCount = 0;                      ///< Persistent count for AC power lost alarm.
 static BOOL hasBatteryChargerStatus = FALSE;                    ///< Flag indicates if battery charger status has been obtained.
 static U32 commFaultPersistentCount = 0;                        ///< Persistence count for battery comm fault.
+
+static SELF_TEST_STATUS_T batteryTestStatus;                    ///< Current battery SOC test status.
 
 // ********** private function prototypes **********
 
@@ -78,6 +82,7 @@
     lostACPowerPersistentCount = 0;
     hasBatteryChargerStatus = FALSE;
     commFaultPersistentCount = 0;
+    batteryTestStatus = SELF_TEST_STATUS_IN_PROGRESS;
 
     setupI2CDriver();
 }
@@ -120,8 +125,6 @@
         {
             hasBatteryChargerStatus = FALSE;
 
-            getBatteryData( BATTERY_PACK_SLAVE_ADDRESS, BATTERY_PACK_REL_STATE_OF_CHARGE_CMD, &batteryRelStateOfCharge_pct );
-
             if ( TRUE == getBatteryData( BATTERY_PACK_SLAVE_ADDRESS, BATTERY_PACK_STATUS_CMD, &batteryPackStatus ) )
             {
                 if ( 0 != batteryPackStatus )
@@ -135,6 +138,31 @@
 
 /*********************************************************************//**
  * @brief
+ * The execBatteryTest function executes the battery SOC check.
+ * @details Inputs: battery state of charge
+ * @details Outputs: alerts when battery pack charge is low
+ * @return battery SOC test status
+ *************************************************************************/
+SELF_TEST_STATUS_T execBatteryTest( void )
+{
+    if ( TRUE == getBatteryData( BATTERY_PACK_SLAVE_ADDRESS, BATTERY_PACK_REL_STATE_OF_CHARGE_CMD, &batteryRelStateOfCharge_pct ) )
+    {
+        if ( batteryRelStateOfCharge_pct < BATTERY_PACK_MIN_CHARGE_PCT )
+        {
+            SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_BATTERY_PACK_CHARGE_TOO_LOW, batteryRelStateOfCharge_pct );
+        }
+        else
+        {
+            clearAlarmCondition( ALARM_ID_HD_BATTERY_PACK_CHARGE_TOO_LOW );
+            batteryTestStatus = SELF_TEST_STATUS_PASSED;
+        }
+    }
+
+    return batteryTestStatus;
+}
+
+/*********************************************************************//**
+ * @brief
  * The getBatteryRemainingPercent function returns the latest battery relative
  * state of charge percentage.
  * @details Inputs: none
Index: firmware/App/Drivers/Battery.h
===================================================================
diff -u -rd2d9f19fd458bad756c2468ea10fceb0c11d4200 -r7690b677a3870da643e67bd622d3b342dfac0040
--- firmware/App/Drivers/Battery.h	(.../Battery.h)	(revision d2d9f19fd458bad756c2468ea10fceb0c11d4200)
+++ firmware/App/Drivers/Battery.h	(.../Battery.h)	(revision 7690b677a3870da643e67bd622d3b342dfac0040)
@@ -33,8 +33,10 @@
 // ********** public function prototypes **********
 
 void initBattery( void );
-void execBatteryMonitor( void );
+void execBatteryMonitor( void );
 
+SELF_TEST_STATUS_T execBatteryTest( void );
+
 U16 getBatteryRemainingPercent( void );
 
 /**@}*/
Index: firmware/App/Modes/ModeInitPOST.c
===================================================================
diff -u -r44a100f8e5210a02c23b8fcc4527d8e96d577381 -r7690b677a3870da643e67bd622d3b342dfac0040
--- firmware/App/Modes/ModeInitPOST.c	(.../ModeInitPOST.c)	(revision 44a100f8e5210a02c23b8fcc4527d8e96d577381)
+++ firmware/App/Modes/ModeInitPOST.c	(.../ModeInitPOST.c)	(revision 7690b677a3870da643e67bd622d3b342dfac0040)
@@ -17,6 +17,7 @@
 
 #include "Accel.h"
 #include "AlarmLamp.h"
+#include "Battery.h"
 #include "BloodFlow.h"
 #include "Buttons.h"
 #include "Compatible.h"
@@ -138,6 +139,11 @@
             postState = handlePOSTStatus( testStatus );
             break;
 
+        case POST_STATE_BATTERY:
+            testStatus = execBatteryTest();
+            postState = handlePOSTStatus( testStatus );
+            break;
+
         case POST_STATE_WATCHDOG:
             testStatus = execWatchdogTest();
             postState = handlePOSTStatus( testStatus );