diff --git a/gateway/gateway/controller.py b/gateway/gateway/controller.py
index 92dd267..1f80e11 100644
--- a/gateway/gateway/controller.py
+++ b/gateway/gateway/controller.py
@@ -146,7 +146,7 @@ class Controller:
                 self.mqtt_client.publish_sensor_value(uuid, "meas_interval", meas_interval)
                 self.mqtt_client.publish_sensor_value(uuid, "temp_delta", temp_delta / 1000.0)
                 self.mqtt_client.publish_sensor_value(uuid, "max_interval", max_interval)
-                self.mqtt_client.publish_sensor_value(uuid, "batt_interval", batt_interval / 60.0)
+                self.mqtt_client.publish_sensor_value(uuid, "batt_interval", batt_interval)
         else:
             self.logger.info(f"[{uuid}] Wert geparkt ({msg_type}, warte auf MQTT Sync)...")
 
diff --git a/gateway/gateway/mqtt_discovery.py b/gateway/gateway/mqtt_discovery.py
index 46b17bf..fe7cf9c 100644
--- a/gateway/gateway/mqtt_discovery.py
+++ b/gateway/gateway/mqtt_discovery.py
@@ -115,7 +115,7 @@ class MQTTDiscovery:
             "name": "Temperatur Delta-T [°C]",
             "state_topic": f"{self.sensor_topic}/{uuid}/temp_delta/state",
             "command_topic": f"{self.sensor_topic}/{uuid}/temp_delta/set",
-            "min": 0.1, "max": 2.0, "step": 0.05,
+            "min": 0.1, "max": 2.0, "step": 0.1,
             "unit_of_measurement": "°C",
             "unique_id": f"{uuid}_temp_delta",
             "icon": "mdi:thermometer",