diff --git a/Bat_EV_SDL _V2/module.php b/Bat_EV_SDL _V2/module.php
index 8a54061..0106be8 100644
--- a/Bat_EV_SDL _V2/module.php	
+++ b/Bat_EV_SDL _V2/module.php	
@@ -627,7 +627,7 @@ private function CalculateBatteryDistribution(float $pEvW, float $pSdlW): array
     $totalPower_ist = 0;
 
     foreach ($batteriesRaw as $bat) {
-        $totalPower_ist += (-1)*GetValue($bat->register_bat_power);
+        $totalPower_ist += GetValue($bat->register_bat_power);
     }
 
     // ----------------------------