diff --git a/VectoCore/VectoCore/Models/BusAuxiliaries/DownstreamModules/Impl/Electrics/SimpleBattery.cs b/VectoCore/VectoCore/Models/BusAuxiliaries/DownstreamModules/Impl/Electrics/SimpleBattery.cs
index 34d8493b38559afb58f69e2d139c9ed190f2ea6a..192b2cf23c3434fc48402c34abfc851c574baa3b 100644
--- a/VectoCore/VectoCore/Models/BusAuxiliaries/DownstreamModules/Impl/Electrics/SimpleBattery.cs
+++ b/VectoCore/VectoCore/Models/BusAuxiliaries/DownstreamModules/Impl/Electrics/SimpleBattery.cs
@@ -87,7 +87,7 @@ namespace TUGraz.VectoCore.Models.BusAuxiliaries.DownstreamModules.Impl.Electric
 
 		public void ConsumeEnergy(WattSecond energy, bool dryRun)
 		{
-			var batEnergy = energy * (energy.IsSmaller(0) ? StorageEfficiency : 1);
+			var batEnergy = energy * (energy.IsGreater(0) ? StorageEfficiency : 1);
 
 			if (!dryRun) {
 				CurrentState.ConsumedEnergy = batEnergy;