diff --git a/csharp/Lib/Devices/Battery250UP/DataTypes/TemperatureState.cs b/csharp/Lib/Devices/Battery250UP/DataTypes/TemperatureState.cs
new file mode 100644
index 000000000..5e32059ca
--- /dev/null
+++ b/csharp/Lib/Devices/Battery250UP/DataTypes/TemperatureState.cs
@@ -0,0 +1,8 @@
+namespace InnovEnergy.Lib.Devices.Battery250Up.DataTypes;
+
+public enum TemperatureState
+{
+    Cold = 0,
+    Operation = 1,
+    Overheated = 2,
+}
\ No newline at end of file