diff --git a/Bat_EV_SDL_V3_Beta/module.php b/Bat_EV_SDL_V3_Beta/module.php
index 6f96447..12cd02d 100644
--- a/Bat_EV_SDL_V3_Beta/module.php
+++ b/Bat_EV_SDL_V3_Beta/module.php
@@ -26,6 +26,7 @@ class Bat_EV_SDL_V3_Beta extends IPSModule
         $this->RegisterVariableFloat("P_SDL_entladen", "P SDL entladen max (W)", "", 22);
         $this->RegisterVariableInteger("P_EV_laden",     "P EV laden max (W)",     "", 31);
         $this->RegisterVariableInteger("P_EV_entladen",  "P EV entladen max (W)",  "", 32);
+        $this->RegisterVariableFloat("SDL_Start_Pos", "SDL Start SoC (%)", "", 35);
         // Debug
         $this->RegisterVariableString("CalcJSON", "Berechnung (JSON)", "", 99);
         // Timer: wichtig -> Prefix muss passen
@@ -127,13 +128,30 @@ class Bat_EV_SDL_V3_Beta extends IPSModule
         $EV_kWh_ges  = 0.0;
         $totalCapKWh = 0.0;
 
-        // SDL-Gesamtkapazität aus Cache vorab berechnen
-        $SDL_kWh_ges_cfg = 0.0;
+
+        
+        $SDL_kWh_ges_cfg   = 0.0;
+        $SDL_start_kWh_cfg = 0.0;
 
         foreach ($cache["bats"] as $bc) {
-            $SDL_kWh_ges_cfg += (float)($bc["SDL_kWh_total"] ?? 0.0);
+            $SDL_kWh_ges_cfg   += (float)($bc["SDL_kWh_total"] ?? 0.0);
+            $SDL_start_kWh_cfg += (float)($bc["underKWh"] ?? 0.0);
         }
 
+        $startPct = ($SDL_kWh_ges_cfg > 0.0)
+            ? ($SDL_start_kWh_cfg / $SDL_kWh_ges_cfg * 100.0)
+            : 0.0;
+
+        $startPct = max(0.0, min(100.0, $startPct));
+
+        $this->SetIdentValue("SDL_Start_Pos", round($startPct, 3));
+
+
+
+
+
+
+
         // aktueller virtueller SDL-Stand
         $sdlVirtPct = ($SDL_kWh_ges_cfg > 0.0)
             ? ($Esdl_kWh / $SDL_kWh_ges_cfg * 100.0)