diff --git a/ScStwLibraries/headers/ScStw.hpp b/ScStwLibraries/headers/ScStw.hpp
index 13ba196..1c8fdcf 100644
--- a/ScStwLibraries/headers/ScStw.hpp
+++ b/ScStwLibraries/headers/ScStw.hpp
@@ -165,7 +165,9 @@ public:
     enum ExtensionBatteryState {
         BatteryUnknown = -1,
         BatteryCritical = 0,
-        BatteryFine = 1
+        BatteryWarning = 1,
+        BatteryFine = 2,
+        BatteryCharging = 3
     };
     Q_ENUM(ExtensionBatteryState);
 
diff --git a/ScStwLibraries/headers/scstwtimer.h b/ScStwLibraries/headers/scstwtimer.h
index abfa291..9ded219 100644
--- a/ScStwLibraries/headers/scstwtimer.h
+++ b/ScStwLibraries/headers/scstwtimer.h
@@ -102,7 +102,7 @@ public:
         NotInIdleState,             /*!< Timer is not in IDLE state */
         IsDisabled,                 /*!< Timer is disabled */
         ExtensionIsNotConnected,    /*!< Not all extension of the timer are conneted */
-        ExtensionBatteryNotFine,    /*!< The battery level of one or more extension is critical or unknown */
+        ExtensionBatteryIsCritical,    /*!< The battery level of one or more extension is critical or unknown */
         ClimberIsNotReady           /*!< The startpad of the timer is not triggered */
     };
     Q_ENUM(ReadyState)
diff --git a/ScStwLibraries/sources/scstwrace.cpp b/ScStwLibraries/sources/scstwrace.cpp
index f5d251a..0880a2c 100644
--- a/ScStwLibraries/sources/scstwrace.cpp
+++ b/ScStwLibraries/sources/scstwrace.cpp
@@ -194,7 +194,7 @@ void ScStwRace::handleTimerReadyStateChange(ScStwTimer::ReadyState readyState) {
     qDebug() << "Some ready state changed: " << readyState;
 
     // cancel as a technical incident if extensions are disconnected or run low on battery
-    if(readyState == ScStwTimer::ExtensionIsNotConnected || readyState == ScStwTimer::ExtensionBatteryNotFine) {
+    if(readyState == ScStwTimer::ExtensionIsNotConnected || readyState == ScStwTimer::ExtensionBatteryIsCritical) {
         this->technicalIncident();
         return;
     }
@@ -551,9 +551,9 @@ void ScStwRace::technicalIncident() {
     }
 
     foreach(ScStwTimer *timer, this->timers){
-        if(raceIsRunning && timer->getReadyState() == ScStwTimer::ExtensionBatteryNotFine)
+        if(raceIsRunning && timer->getReadyState() == ScStwTimer::ExtensionBatteryIsCritical)
             continue;
-        else if(timer->getReadyState() == ScStwTimer::ExtensionIsNotConnected || timer->getReadyState() == ScStwTimer::ExtensionBatteryNotFine)
+        else if(timer->getReadyState() == ScStwTimer::ExtensionIsNotConnected || timer->getReadyState() == ScStwTimer::ExtensionBatteryIsCritical)
             timer->technicalIncident();
         else if(!raceIsRunning)
             timer->setState(ScStwTimer::CANCELLED);
@@ -575,7 +575,7 @@ bool ScStwRace::getIsReadyForNextState() {
             if(timer->getState() == ScStwTimer::DISABLED)
                 continue;
 
-            if(timer->getReadyState() == ScStwTimer::ExtensionIsNotConnected || timer->getReadyState() == ScStwTimer::ExtensionBatteryNotFine) {
+            if(timer->getReadyState() == ScStwTimer::ExtensionIsNotConnected || timer->getReadyState() == ScStwTimer::ExtensionBatteryIsCritical) {
 
                 this->technicalIncident();