diff --git a/src/PowerFSMThread.h b/src/PowerFSMThread.h
new file mode 100644
index 000000000..00f31e9c3
--- /dev/null
+++ b/src/PowerFSMThread.h
@@ -0,0 +1,38 @@
+#include "configuration.h"
+#include "concurrency/OSThread.h"
+#include "main.h"
+#include "PowerFSM.h"
+#include "power.h"
+#include "NodeDB.h"
+
+namespace concurrency
+{
+/// Wrapper to convert our powerFSM stuff into a 'thread'
+class PowerFSMThread : public OSThread
+{
+  public:
+    // callback returns the period for the next callback invocation (or 0 if we should no longer be called)
+    PowerFSMThread() : OSThread("PowerFSM") {}
+
+  protected:
+    int32_t runOnce() override
+    {
+        powerFSM.run_machine();
+
+        /// If we are in power state we force the CPU to wake every 10ms to check for serial characters (we don't yet wake
+        /// cpu for serial rx - FIXME)
+        auto state = powerFSM.getState();
+        canSleep = (state != &statePOWER) && (state != &stateSERIAL);
+
+        if (powerStatus->getHasUSB()) {
+            timeLastPowered = millis();
+        } else if (radioConfig.preferences.on_battery_shutdown_after_secs > 0 && 
+                    millis() > timeLastPowered + (1000 * radioConfig.preferences.on_battery_shutdown_after_secs)) { //shutdown after 30 minutes unpowered
+            powerFSM.trigger(EVENT_SHUTDOWN);
+        }
+        
+        return 10;
+    }
+};
+
+}
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 400ddff63..fcbe8d912 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -43,8 +43,9 @@
 #include "SX1262Interface.h"
 #include "SX1268Interface.h"
 #include "LLCC68Interface.h"
-#include "ButtonThread.h"
 
+#include "ButtonThread.h"
+#include "PowerFSMThread.h"
 
 using namespace concurrency;
 
@@ -92,34 +93,6 @@ static int32_t ledBlinker()
 
 uint32_t timeLastPowered = 0;
 
-/// Wrapper to convert our powerFSM stuff into a 'thread'
-class PowerFSMThread : public OSThread
-{
-  public:
-    // callback returns the period for the next callback invocation (or 0 if we should no longer be called)
-    PowerFSMThread() : OSThread("PowerFSM") {}
-
-  protected:
-    int32_t runOnce() override
-    {
-        powerFSM.run_machine();
-
-        /// If we are in power state we force the CPU to wake every 10ms to check for serial characters (we don't yet wake
-        /// cpu for serial rx - FIXME)
-        auto state = powerFSM.getState();
-        canSleep = (state != &statePOWER) && (state != &stateSERIAL);
-
-        if (powerStatus->getHasUSB()) {
-            timeLastPowered = millis();
-        } else if (radioConfig.preferences.on_battery_shutdown_after_secs > 0 && 
-                    millis() > timeLastPowered + (1000 * radioConfig.preferences.on_battery_shutdown_after_secs)) { //shutdown after 30 minutes unpowered
-            powerFSM.trigger(EVENT_SHUTDOWN);
-        }
-        
-        return 10;
-    }
-};
-
 bool ButtonThread::shutdown_on_long_stop = false;
 
 static Periodic *ledPeriodic;
diff --git a/src/main.h b/src/main.h
index c03652368..b87b1886d 100644
--- a/src/main.h
+++ b/src/main.h
@@ -21,6 +21,8 @@ extern graphics::Screen *screen;
 // Return a human readable string of the form "Meshtastic_ab13"
 const char *getDeviceName();
 
+extern uint32_t timeLastPowered;
+
 extern uint32_t rebootAtMsec;
 extern uint32_t shutdownAtMsec;