diff --git a/Bat_EV_SDL_V3_Beta/module.php b/Bat_EV_SDL_V3_Beta/module.php
index de57dc1..6f96447 100644
--- a/Bat_EV_SDL_V3_Beta/module.php
+++ b/Bat_EV_SDL_V3_Beta/module.php
@@ -360,7 +360,13 @@ class Bat_EV_SDL_V3_Beta extends IPSModule
     if ($cacheHash !== "" && $cacheHash !== $intHash) {
 
         // Bei Cache-/SDL-Leistungsänderung wieder auf 50 %
-        $Esdl_kWh = $SDL_kWh_ges_cfg * 0.5;
+        $SDL_start_kWh_cfg = 0.0;
+
+        foreach ($cache["bats"] as $bc) {
+            $SDL_start_kWh_cfg += (float)($bc["underKWh"] ?? 0.0);
+        }
+
+        $Esdl_kWh = max(0.0, min($SDL_kWh_ges_cfg, $SDL_start_kWh_cfg));
 
         $lastTs = $now;
         $this->SetBuffer("Int_LastTs", (string)$now);
@@ -995,7 +1001,15 @@ private function ResetSDLTo50Percent(): void
         return;
     }
 
-    $this->SetBuffer("Int_E_SDL_kWh", (string)($sdlKWhTotal * 0.5));
+    $startKWh = 0.0;
+
+    foreach ($cache["bats"] as $bat) {
+        $startKWh += (float)($bat["underKWh"] ?? 0.0);
+    }
+
+    $startKWh = max(0.0, min($sdlKWhTotal, $startKWh));
+
+    $this->SetBuffer("Int_E_SDL_kWh", (string)$startKWh);
     $this->SetBuffer("Int_Init_SDL", "1");
     $this->SetBuffer("Int_LastTs", (string)microtime(true));