diff --git a/csharp/App/Backend/DataTypes/Configuration.cs b/csharp/App/Backend/DataTypes/Configuration.cs
index f9e4eeceb..c289f9562 100644
--- a/csharp/App/Backend/DataTypes/Configuration.cs
+++ b/csharp/App/Backend/DataTypes/Configuration.cs
@@ -2,14 +2,15 @@ namespace InnovEnergy.App.Backend.DataTypes;
 
 public class Configuration
 {
-    public Double  MinimumSoC       { get; set; }
-    public Double  GridSetPoint     { get; set; } 
-    public  CalibrationChargeType ForceCalibrationCharge         { get; set; } 
+    public Double  MinimumSoC                                    { get; set; }
+    public Double  GridSetPoint                                  { get; set; } 
+    public CalibrationChargeType ForceCalibrationCharge          { get; set; } 
+    public DateTime CalibrationChargeDate                        { get; set; } 
 }
 
 public enum CalibrationChargeType
 {
-    No,
-    UntilEoc,
-    Yes
+    RepetitivelyEvery,
+    AdditionallyOnce,
+    ChargePermanently
 }
\ No newline at end of file
diff --git a/csharp/App/SaliMax/src/DataTypes/Configuration.cs b/csharp/App/SaliMax/src/DataTypes/Configuration.cs
index f50589446..fb327160a 100644
--- a/csharp/App/SaliMax/src/DataTypes/Configuration.cs
+++ b/csharp/App/SaliMax/src/DataTypes/Configuration.cs
@@ -4,8 +4,9 @@ namespace InnovEnergy.App.SaliMax.DataTypes;
 
 public class Configuration
 {
-    public Double  MinimumSoC       { get; set; }
-    public Double  GridSetPoint     { get; set; } 
-    public CalibrationChargeType ForceCalibrationCharge         { get; set; } 
+    public Double  MinimumSoC                                    { get; set; }
+    public Double  GridSetPoint                                  { get; set; } 
+    public CalibrationChargeType ForceCalibrationCharge          { get; set; } 
+    public DateTime CalibrationChargeDate                        { get; set; } 
 }