diff --git a/Bat_EV_SDL_V4/form.json b/Bat_EV_SDL_V4/form.json
index 9415ad9..f1119bb 100644
--- a/Bat_EV_SDL_V4/form.json
+++ b/Bat_EV_SDL_V4/form.json
@@ -106,22 +106,13 @@
           "digits": 0
         },
         {
-          "type": "NumberSpinner",
-          "name": "ReserveHoursLaden",
-          "caption": "SDL Reservezeit Laden",
-          "suffix": " h",
-          "minimum": 0,
-          "maximum": 24,
-          "digits": 2
-        },
-        {
-          "type": "NumberSpinner",
-          "name": "ReserveHoursEntladen",
-          "caption": "SDL Reservezeit Entladen",
-          "suffix": " h",
-          "minimum": 0,
-          "maximum": 24,
-          "digits": 2
+        "type": "NumberSpinner",
+        "name": "ReserveHours",
+        "caption": "SDL Reservezeit",
+        "suffix": " h",
+        "minimum": 0,
+        "maximum": 24,
+        "digits": 2
         },
         {
           "type": "NumberSpinner",
diff --git a/Bat_EV_SDL_V4/module.php b/Bat_EV_SDL_V4/module.php
index d4cc61b..66d7c89 100644
--- a/Bat_EV_SDL_V4/module.php
+++ b/Bat_EV_SDL_V4/module.php
@@ -10,8 +10,7 @@ class Bat_EV_SDL_V4 extends IPSModule
         $this->RegisterPropertyString("Batteries", "[]");
         $this->RegisterPropertyInteger("SDL_Leistung_Laden", 0);      // W
         $this->RegisterPropertyInteger("SDL_Leistung_Entladen", 0);   // W
-        $this->RegisterPropertyFloat("ReserveHoursLaden", 0.5);       // h
-        $this->RegisterPropertyFloat("ReserveHoursEntladen", 0.5);    // h
+        $this->RegisterPropertyFloat("ReserveHours", 0.5);   // h
         $this->RegisterPropertyFloat("SDL_Start_Pos_Config", 50.0);   // %
         $this->RegisterPropertyFloat("EV_Start_Pos_Config", 50.0);    // %
         $this->RegisterPropertyInteger("UpdateInterval", 2);          // Sekunden
@@ -88,7 +87,24 @@ class Bat_EV_SDL_V4 extends IPSModule
                 }
                 return;
         }
+        
+        if ($Ident === "SDL_Reset") {
+    if ((bool)$Value) {
+        $this->ResetVirtualAccount("SDL");
+        SetValue($this->GetIDForIdent("SDL_Reset"), false);
+        $this->Update();
+    }
+            return;
+        }
 
+        if ($Ident === "EV_Reset") {
+            if ((bool)$Value) {
+                $this->ResetVirtualAccount("EV");
+                SetValue($this->GetIDForIdent("EV_Reset"), false);
+                $this->Update();
+            }
+            return;
+        }
         throw new Exception("Invalid Ident: " . $Ident);
     }
 
@@ -157,8 +173,7 @@ class Bat_EV_SDL_V4 extends IPSModule
         $sdlTotalW_laden    = max(0, (int)$this->ReadPropertyInteger("SDL_Leistung_Laden"));
         $sdlTotalW_entladen = max(0, (int)$this->ReadPropertyInteger("SDL_Leistung_Entladen"));
 
-        $reserveH_laden    = max(0.0, (float)$this->ReadPropertyFloat("ReserveHoursLaden"));
-        $reserveH_entladen = max(0.0, (float)$this->ReadPropertyFloat("ReserveHoursEntladen"));
+        $reserveH = max(0.0, (float)$this->ReadPropertyFloat("ReserveHours"));
 
         $hash = md5(json_encode([
             "Batteries" => $batteriesRaw,
@@ -235,8 +250,8 @@ class Bat_EV_SDL_V4 extends IPSModule
             $evShareKW_entladen = max(0.0, $pBatKW - $sdlShareKW_entladen);
 
             // Grenzen: individuell nach Reservezeit.
-            $underKWh = $sdlShareKW_entladen * $reserveH_entladen;
-            $upKWh = $capKWh - ($sdlShareKW_laden * $reserveH_laden);
+            $underKWh = $sdlShareKW_entladen * $reserveH;
+            $upKWh    = $capKWh - ($sdlShareKW_laden * $reserveH);
 
             $underKWh = max(0.0, min($capKWh, $underKWh));
             $upKWh = max(0.0, min($capKWh, $upKWh));
@@ -769,6 +784,37 @@ class Bat_EV_SDL_V4 extends IPSModule
         $this->SetIdentValue("CalcJSON", json_encode(["error" => $reason], JSON_PRETTY_PRINT));
     }
 
+    private function ResetVirtualAccount(string $account): void
+    {
+        $plan = json_decode($this->GetBufferSafe("BatPlanJSON"), true);
+        if (!is_array($plan)) {
+            $this->BuildBatteryPlan(true);
+            $plan = json_decode($this->GetBufferSafe("BatPlanJSON"), true);
+        }
+
+        if (!is_array($plan) || empty($plan["total"])) {
+            return;
+        }
+
+        if ($account === "SDL") {
+            $total = (float)($plan["total"]["SDL_kWh_total"] ?? 0.0);
+            $startPct = 50.0;
+
+            $this->SetBuffer("Int_E_SDL_kWh", (string)($total * $startPct / 100.0));
+            $this->SetBuffer("Int_LastTs", (string)microtime(true));
+            return;
+        }
+
+        if ($account === "EV") {
+            $total = (float)($plan["total"]["EV_kWh_total"] ?? 0.0);
+            $startPct = 50.0;
+
+            $this->SetBuffer("Int_E_EV_kWh", (string)($total * $startPct / 100.0));
+            $this->SetBuffer("Int_LastTs", (string)microtime(true));
+            return;
+        }
+    }
+
     private function SetIdentValue(string $ident, $value): void
     {
         $id = @$this->GetIDForIdent($ident);