diff --git a/custom_components/ev_metron_websockets/sensor.py b/custom_components/ev_metron_websockets/sensor.py
index 994064b..63ff323 100644
--- a/custom_components/ev_metron_websockets/sensor.py
+++ b/custom_components/ev_metron_websockets/sensor.py
@@ -391,7 +391,7 @@ def __init__(self, hub) -> None:
         self._attr_unique_id = f"{hub._name}_charging_time"
         self._attr_name = f"{hub._name} charging time"
         self._attr_state_class = SensorStateClass.MEASUREMENT
-        self._attr_unit_of_measurement = UnitOfTime.SECONDS
+        self._attr_unit_of_measurement = UnitOfTime.MINUTES
         self._attr_device_class = SensorDeviceClass.DURATION
 
     @property