diff --git a/Bat_EV_SDL/module.php b/Bat_EV_SDL/module.php
index fbc6acf..7dbb2d7 100644
--- a/Bat_EV_SDL/module.php
+++ b/Bat_EV_SDL/module.php
@@ -6,16 +6,22 @@ class Bat_EV_SDL extends IPSModule
     {
         parent::Create();
 
+        // Properties
         $this->RegisterPropertyString("Batteries", "[]");
         $this->RegisterPropertyInteger("SDL_Leistung", 0);     // W
         $this->RegisterPropertyInteger("UpdateInterval", 5);   // Minuten
 
+        // Status
         $this->RegisterVariableBoolean("State", "Aktiv", "~Switch", 1);
         $this->EnableAction("State");
 
-        $this->RegisterVariableFloat("SDL_Pos", "SDL Fensterposition (%)", "", 10);
-        $this->RegisterVariableFloat("SoC_EV",  "EV Fenster-Füllstand (%)", "", 11);
+        // Prozentwerte nach deiner Skizze:
+        // SDL_% = verfügbare SDL-Energie / benötigte SDL-Energie
+        // EV_%  = verfügbare EV-Energie / max. EV-Energie (SumCap - SumSDLreq)
+        $this->RegisterVariableFloat("SDL_Pos", "SDL Energie verfügbar (%)", "", 10);
+        $this->RegisterVariableFloat("SoC_EV",  "EV Energie verfügbar (%)", "", 11);
 
+        // Leistungsgrenzen
         $this->RegisterVariableFloat("P_SDL_max", "SDL max (W)", "", 20);
         $this->RegisterVariableFloat("P_SDL_laden", "P SDL laden max (W)", "", 21);
         $this->RegisterVariableFloat("P_SDL_entladen", "P SDL entladen max (W)", "", 22);
@@ -24,8 +30,10 @@ class Bat_EV_SDL extends IPSModule
         $this->RegisterVariableFloat("P_EV_laden", "P EV laden max (W)", "", 31);
         $this->RegisterVariableFloat("P_EV_entladen", "P EV entladen max (W)", "", 32);
 
+        // Debug
         $this->RegisterVariableString("CalcJSON", "Berechnung (JSON)", "", 99);
 
+        // Timer (Prefix: GEF)
         $this->RegisterTimer("UpdateTimer", 0, 'GEF_Update($_IPS["TARGET"]);');
     }
 
@@ -43,7 +51,9 @@ class Bat_EV_SDL extends IPSModule
     {
         if ($Ident === "State") {
             SetValue($this->GetIDForIdent("State"), (bool)$Value);
-            if ((bool)$Value) $this->Update();
+            if ((bool)$Value) {
+                $this->Update();
+            }
             return;
         }
         throw new Exception("Invalid Ident: " . $Ident);
@@ -51,34 +61,46 @@ class Bat_EV_SDL extends IPSModule
 
     public function Update()
     {
-        if (!GetValue($this->GetIDForIdent("State"))) return;
+        if (!GetValue($this->GetIDForIdent("State"))) {
+            return;
+        }
 
         $batteries = json_decode($this->ReadPropertyString("Batteries"), true);
-        if (!is_array($batteries) || count($batteries) === 0) return;
+        if (!is_array($batteries) || count($batteries) === 0) {
+            return;
+        }
 
         $sdlPowerW = max(0, (int)$this->ReadPropertyInteger("SDL_Leistung"));
-        $reserveH = 0.5;
-        $eps = 0.0001;
+        $reserveH  = 0.5;   // 30 Minuten
+        $eps       = 0.0001;
 
-        // Summe Max-Leistungen
+        // Summe Batterie-Maxleistungen
         $sumBatPowerW = 0;
         foreach ($batteries as $b) {
             $p = (int)($b["powerbat"] ?? 0);
             if ($p > 0) $sumBatPowerW += $p;
         }
         if ($sumBatPowerW <= 0) return;
+
+        // SDL begrenzen
         if ($sdlPowerW > $sumBatPowerW) $sdlPowerW = $sumBatPowerW;
 
         // Summen Leistung
-        $P_SDL_max = 0.0; $P_EV_max = 0.0;
-        $P_SDL_laden = 0.0; $P_SDL_entladen = 0.0;
-        $P_EV_laden = 0.0; $P_EV_entladen = 0.0;
+        $P_SDL_max = 0.0;
+        $P_EV_max  = 0.0;
 
-        // EV-Füllstand (gewichtet über FensterkWh)
-        $sumEV = 0.0; $sumEVcap = 0.0;
+        $P_SDL_laden = 0.0;
+        $P_SDL_entladen = 0.0;
+        $P_EV_laden = 0.0;
+        $P_EV_entladen = 0.0;
 
-        // SDL_Pos (gewichtet über pSDL!)
-        $sumPos_pSDL = 0.0; $sum_pSDL = 0.0;
+        // Summen Energie für Prozentberechnung (deine Logik)
+        $sumCap_kWh = 0.0;
+
+        $sumSDLreq_kWh = 0.0;   // Sum(E_req)
+        $sumSDLavail_kWh = 0.0; // Sum(min(E_ist, E_req))
+
+        $sumEVavail_kWh = 0.0;  // Sum(max(E_ist - E_req, 0))
 
         $calc = [];
 
@@ -89,87 +111,78 @@ class Bat_EV_SDL extends IPSModule
             $cap  = (float)($b["capazity"] ?? 0);
             if ($pBat <= 0 || $cap <= 0) continue;
 
-            $socPct = $this->ReadSocPercent((int)($b["soc"] ?? 0));
-            $E = $cap * $socPct / 100.0;
+            $sumCap_kWh += $cap;
 
-            // SDL-Leistungsanteil
+            $socPct = $this->ReadSocPercent((int)($b["soc"] ?? 0));
+            $E_ist  = $cap * $socPct / 100.0; // kWh
+
+            // SDL Anteil Leistung proportional
             $pSDL = min(($sdlPowerW * $pBat) / $sumBatPowerW, (float)$pBat);
             if ($pSDL < 0) $pSDL = 0.0;
-            $pEV = max(0.0, $pBat - $pSDL);
+
+            $pEV  = max(0.0, $pBat - $pSDL);
 
             $P_SDL_max += $pSDL;
             $P_EV_max  += $pEV;
 
-            // Reserveenergie 30min
-            $Ereq = ($pSDL * $reserveH) / 1000.0;
+            // E_req für 30 min SDL (kWh)
+            $E_req = ($pSDL * $reserveH) / 1000.0;
 
-            // Fenster
-            $Emin = $Ereq;
-            $Emax = $cap - $Ereq;
-            $range = $Emax - $Emin;
-            $EVcap = max(0.0, $range);
+            $sumSDLreq_kWh += $E_req;
 
-            // SDL möglich?
-            $canSDLdis = ($E + $eps) >= $Emin;
-            $canSDLch  = (($cap - $E) + $eps) >= $Ereq;
+            // SDL verfügbar nach deiner Skizze: min(E_ist, E_req)
+            $SDL_avail = min($E_ist, $E_req);
+            $sumSDLavail_kWh += $SDL_avail;
+
+            // EV verfügbar nach deiner Skizze: max(E_ist - E_req, 0)
+            $EV_avail = max($E_ist - $E_req, 0.0);
+            $sumEVavail_kWh += $EV_avail;
+
+            // Leistungsmaxima (Richtung) nach Reservierungslogik
+            // SDL entladen geht nur, wenn genug Energie für 30min vorhanden
+            $canSDLdis = ($E_ist + $eps) >= $E_req;
+
+            // SDL laden geht nur, wenn genug Platz für 30min vorhanden
+            $canSDLch  = (($cap - $E_ist) + $eps) >= $E_req;
 
             if ($canSDLdis) $P_SDL_entladen += $pSDL;
             if ($canSDLch)  $P_SDL_laden    += $pSDL;
 
-            // EV möglich?
-            if ($E > $Emin + $eps) $P_EV_entladen += $pEV;
-            if ($E < $Emax - $eps) $P_EV_laden    += $pEV;
+            // EV entladen geht nur, wenn Energie über SDL-Reserve liegt
+            if (($E_ist - $E_req) > $eps) $P_EV_entladen += $pEV;
 
-            // EV-Füllstand
-            $EV = 0.0;
-            $EVpct = 0.0;
-            if ($EVcap > $eps) {
-                $EV = max(0.0, min($E - $Emin, $EVcap));
-                $sumEV += $EV;
-                $sumEVcap += $EVcap;
-                $EVpct = ($EV / $EVcap) * 100.0;
-            }
-
-            // SDL Fensterposition (0..100) und gewichtete Summe über pSDL
-            $posPct = 0.0;
-            if ($range > $eps) {
-                $pos = ($E - $Emin) / $range;   // 0..1
-                $pos = max(0.0, min(1.0, $pos));
-                $posPct = $pos * 100.0;
-            }
-
-            if ($pSDL > $eps) {
-                $sumPos_pSDL += $posPct * $pSDL;
-                $sum_pSDL    += $pSDL;
-            }
+            // EV laden (einfach): solange noch Platz ist
+            if (($cap - $E_ist) > $eps) $P_EV_laden += $pEV;
 
             $calc[] = [
                 "typ" => $typ,
-                "soc_pct" => round($socPct, 2),
-                "E_kWh" => round($E, 3),
+                "pBat_W" => $pBat,
                 "cap_kWh" => round($cap, 3),
+                "soc_pct" => round($socPct, 2),
+                "E_ist_kWh" => round($E_ist, 3),
 
                 "pSDL_W" => round($pSDL, 0),
+                "E_req_kWh" => round($E_req, 3),
+                "SDL_avail_kWh" => round($SDL_avail, 3),
+
                 "pEV_W" => round($pEV, 0),
-
-                "Ereq_kWh" => round($Ereq, 3),
-                "Emin_kWh" => round($Emin, 3),
-                "Emax_kWh" => round($Emax, 3),
-                "EVcap_kWh" => round($EVcap, 3),
-
-                "SDL_pos_pct" => round($posPct, 2),
-                "EV_fill_pct" => round($EVpct, 2),
+                "EV_avail_kWh" => round($EV_avail, 3),
 
                 "canSDLcharge" => $canSDLch,
                 "canSDLdischarge" => $canSDLdis
             ];
         }
 
-        $SDL_Pos = ($sum_pSDL > $eps) ? ($sumPos_pSDL / $sum_pSDL) : 0.0;
-        $SoC_EV  = ($sumEVcap > $eps) ? (($sumEV / $sumEVcap) * 100.0) : 0.0;
+        // EV max Energie = SumCap - SumSDLreq (deine 77 - 16 = 61)
+        $EV_max_kWh = max(0.0, $sumCap_kWh - $sumSDLreq_kWh);
 
-        SetValue($this->GetIDForIdent("SDL_Pos"), round($SDL_Pos, 2));
-        SetValue($this->GetIDForIdent("SoC_EV"),  round($SoC_EV, 2));
+        // SDL% und EV% (deine Darstellung)
+        $SDL_pct = ($sumSDLreq_kWh > $eps) ? ($sumSDLavail_kWh / $sumSDLreq_kWh) * 100.0 : 0.0;
+        $EV_pct  = ($EV_max_kWh   > $eps) ? ($sumEVavail_kWh  / $EV_max_kWh)   * 100.0 : 0.0;
+
+        // Setzen Variablen
+        SetValue($this->GetIDForIdent("SDL_Pos"), round($SDL_pct, 2));
+        SetValue($this->GetIDForIdent("SoC_EV"),  round($EV_pct, 2));
 
         SetValue($this->GetIDForIdent("P_SDL_max"), round($P_SDL_max, 0));
         SetValue($this->GetIDForIdent("P_SDL_laden"), round($P_SDL_laden, 0));
@@ -179,7 +192,34 @@ class Bat_EV_SDL extends IPSModule
         SetValue($this->GetIDForIdent("P_EV_laden"), round($P_EV_laden, 0));
         SetValue($this->GetIDForIdent("P_EV_entladen"), round($P_EV_entladen, 0));
 
-        SetValue($this->GetIDForIdent("CalcJSON"), json_encode($calc, JSON_PRETTY_PRINT));
+        // Debug JSON mit Summen
+        $out = [
+            "SDL_W" => $sdlPowerW,
+            "SumBatPower_W" => $sumBatPowerW,
+            "Reserve_h" => $reserveH,
+
+            "SumCap_kWh" => round($sumCap_kWh, 3),
+
+            "SumSDLreq_kWh" => round($sumSDLreq_kWh, 3),
+            "SumSDLavail_kWh" => round($sumSDLavail_kWh, 3),
+            "SDL_pct" => round($SDL_pct, 2),
+
+            "EV_max_kWh" => round($EV_max_kWh, 3),
+            "SumEVavail_kWh" => round($sumEVavail_kWh, 3),
+            "EV_pct" => round($EV_pct, 2),
+
+            "P_SDL_max_W" => round($P_SDL_max, 0),
+            "P_SDL_laden_W" => round($P_SDL_laden, 0),
+            "P_SDL_entladen_W" => round($P_SDL_entladen, 0),
+
+            "P_EV_max_W" => round($P_EV_max, 0),
+            "P_EV_laden_W" => round($P_EV_laden, 0),
+            "P_EV_entladen_W" => round($P_EV_entladen, 0),
+
+            "batteries" => $calc
+        ];
+
+        SetValue($this->GetIDForIdent("CalcJSON"), json_encode($out, JSON_PRETTY_PRINT));
     }
 
     private function ReadSocPercent(int $varId): float
@@ -190,6 +230,7 @@ class Bat_EV_SDL extends IPSModule
 
         $f = (float)$v;
         if ($f >= 0.0 && $f <= 1.0) $f *= 100.0;
+
         return max(0.0, min(100.0, $f));
     }
 }