diff --git a/custom_components/bms_ble/plugins/dummy_bms.py b/custom_components/bms_ble/plugins/dummy_bms.py
index 192a1bc..5f0de96 100644
--- a/custom_components/bms_ble/plugins/dummy_bms.py
+++ b/custom_components/bms_ble/plugins/dummy_bms.py
@@ -15,7 +15,7 @@
     # ATTR_DELTA_VOLTAGE,
     ATTR_POWER,
     # ATTR_RUNTIME,
-    # ATTR_TEMPERATURE,
+    ATTR_TEMPERATURE,
     ATTR_VOLTAGE,
 )
 
@@ -80,4 +80,5 @@ async def _async_update(self) -> BMSsample:
         return {
             ATTR_VOLTAGE: 12,
             ATTR_CURRENT: 1.5,
+            ATTR_TEMPERATURE: 27.182,
         }  # fixed values, replace parsed data
diff --git a/custom_components/bms_ble/sensor.py b/custom_components/bms_ble/sensor.py
index fe95bed..c874c19 100644
--- a/custom_components/bms_ble/sensor.py
+++ b/custom_components/bms_ble/sensor.py
@@ -185,13 +185,16 @@ def extra_state_attributes(self) -> dict[str, list[float]] | None:  # type: igno
             }
         # add individual temperature values to temperature sensor
         if self.entity_description.key == ATTR_TEMPERATURE:
-            return {
-                ATTR_TEMP_SENSORS: [
-                    v
-                    for k, v in self.coordinator.data.items()
-                    if k.startswith(KEY_TEMP_VALUE)
-                ]
-            }
+            temp_sensors: Final = [
+                v
+                for k, v in self.coordinator.data.items()
+                if k.startswith(KEY_TEMP_VALUE)
+            ]
+            if temp_sensors:
+                return {ATTR_TEMP_SENSORS: temp_sensors}
+            if temp := self.coordinator.data.get(ATTR_TEMPERATURE):
+                return {ATTR_TEMP_SENSORS: [temp]}
+
         return None
 
     @property
diff --git a/tests/test_sensor.py b/tests/test_sensor.py
index 99d8587..4e2fdc6 100644
--- a/tests/test_sensor.py
+++ b/tests/test_sensor.py
@@ -64,7 +64,7 @@ async def patch_async_update(_self):
     assert data == {
         f"sensor.smartbat_b12345_{ATTR_VOLTAGE}": "12",
         "sensor.smartbat_b12345_battery": "unknown",
-        f"sensor.smartbat_b12345_{ATTR_TEMPERATURE}": "unknown",
+        f"sensor.smartbat_b12345_{ATTR_TEMPERATURE}": "27.182",
         f"sensor.smartbat_b12345_{ATTR_CURRENT}": "1.5",
         "sensor.smartbat_b12345_stored_energy": "unknown",
         f"sensor.smartbat_b12345_{ATTR_CYCLES}": "unknown",
@@ -74,6 +74,12 @@ async def patch_async_update(_self):
         "sensor.smartbat_b12345_signal_strength": "-127",
         f"sensor.smartbat_b12345_{ATTR_RUNTIME}": "unknown",
     }
+    # check temperature sensor has individual sensors as attribute array
+    temp_state = hass.states.get(f"sensor.smartbat_b12345_{ATTR_TEMPERATURE}")
+    assert temp_state is not None and temp_state.attributes[
+        ATTR_TEMP_SENSORS
+    ] == [27.182]
+
 
     monkeypatch.setattr(
         "custom_components.bms_ble.plugins.dummy_bms.BMS.async_update",