diff --git a/flight/OpenPilot/Makefile.win32 b/flight/OpenPilot/Makefile.win32
index 130455dde..575e12e09 100644
--- a/flight/OpenPilot/Makefile.win32
+++ b/flight/OpenPilot/Makefile.win32
@@ -163,6 +163,7 @@ SRC += $(OPUAVOBJ)/firmwareiapobj.c
 SRC += $(OPUAVOBJ)/ratedesired.c
 SRC += $(OPUAVOBJ)/pipxtrememodemsettings.c
 SRC += $(OPUAVOBJ)/pipxtrememodemstatus.c
+SRC += $(OPUAVOBJ)/batterysettings.c
 endif
 
 ## PIOS Hardware (win32)
diff --git a/flight/PiOS.win32/inc/FreeRTOSConfig.h b/flight/PiOS.win32/inc/FreeRTOSConfig.h
index e1f55991f..21fbc6b35 100644
--- a/flight/PiOS.win32/inc/FreeRTOSConfig.h
+++ b/flight/PiOS.win32/inc/FreeRTOSConfig.h
@@ -24,7 +24,7 @@
 #define configUSE_IDLE_HOOK		1
 #define configUSE_TICK_HOOK		0
 #define configCPU_CLOCK_HZ		( ( unsigned long ) 72000000 )	
-#define configTICK_RATE_HZ		( ( portTickType ) 200 )
+#define configTICK_RATE_HZ		( ( portTickType ) 100 )
 #define configMAX_PRIORITIES		( ( unsigned portBASE_TYPE ) 5 )
 #define configMINIMAL_STACK_SIZE	( ( unsigned short ) 256 )
 #define configTOTAL_HEAP_SIZE		( ( size_t ) ( 45 * 1024 ) )
diff --git a/flight/PiOS.win32/win32/Libraries/FreeRTOS/Source/portable/GCC/Win32/port.c b/flight/PiOS.win32/win32/Libraries/FreeRTOS/Source/portable/GCC/Win32/port.c
index 9122cc598..88170822a 100644
--- a/flight/PiOS.win32/win32/Libraries/FreeRTOS/Source/portable/GCC/Win32/port.c
+++ b/flight/PiOS.win32/win32/Libraries/FreeRTOS/Source/portable/GCC/Win32/port.c
@@ -259,9 +259,7 @@ static DWORD WINAPI tick_generator(LPVOID lpParameter)
 	}
 
 	hTimer = CreateWaitableTimer(NULL, TRUE, NULL);
-	liDueTime.QuadPart = -(50000 - 10000*(int)msPerTick);	// 5ms -
-	//there is always another tick during WaitForMultipleObjects() while waiting
-	//for the mutex, so reduce the wait time by 1 tick
+	liDueTime.QuadPart = -100000;
 
 	hObjList[0] = hIsrMutex;
 	hObjList[1] = hTimer;