diff --git a/Batterie/module.php b/Batterie/module.php
index 0f81f5c..e74cf1b 100644
--- a/Batterie/module.php
+++ b/Batterie/module.php
@@ -91,11 +91,33 @@ class Batterie extends IPSModule
                 break;
         }
 
-       
+            $maxBatVar = $this->ReadPropertyInteger("MaxBatterieleistung");
+            $maxNachVar = $this->ReadPropertyInteger("MaxNachladen");
+
+            if ($maxBatVar > 0) {
+                $this->RegisterMessage($maxBatVar, VM_UPDATE);
+            }
+            if ($maxNachVar > 0) {
+                $this->RegisterMessage($maxNachVar, VM_UPDATE);
+            }
 
                 
     }
 
+    public function MessageSink($TimeStamp, $SenderID, $Message, $Data)
+{
+    if ($Message !== VM_UPDATE) {
+        return;
+    }
+
+    $maxBatVar  = $this->ReadPropertyInteger("MaxBatterieleistung");
+    $maxNachVar = $this->ReadPropertyInteger("MaxNachladen");
+
+    if ($SenderID === $maxBatVar || $SenderID === $maxNachVar) {
+        // PowerSteps sofort neu berechnen (mit aktuellem Peak-Status)
+        $this->GetCurrentData($this->GetValue("Is_Peak_Shaving"));
+    }
+}