diff --git a/homeassistant/components/fully_kiosk/sensor.py b/homeassistant/components/fully_kiosk/sensor.py
index 6094a6c4c23..6bc9a254760 100644
--- a/homeassistant/components/fully_kiosk/sensor.py
+++ b/homeassistant/components/fully_kiosk/sensor.py
@@ -12,7 +12,12 @@ from homeassistant.components.sensor import (
     SensorEntityDescription,
     SensorStateClass,
 )
-from homeassistant.const import PERCENTAGE, EntityCategory, UnitOfInformation
+from homeassistant.const import (
+    PERCENTAGE,
+    EntityCategory,
+    UnitOfInformation,
+    UnitOfTemperature,
+)
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.typing import StateType
@@ -56,6 +61,14 @@ SENSORS: tuple[FullySensorEntityDescription, ...] = (
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),
+    FullySensorEntityDescription(
+        key="batteryTemperature",
+        translation_key="battery_temperature",
+        device_class=SensorDeviceClass.TEMPERATURE,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+        state_class=SensorStateClass.MEASUREMENT,
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
     FullySensorEntityDescription(
         key="currentPage",
         translation_key="current_page",
diff --git a/homeassistant/components/fully_kiosk/strings.json b/homeassistant/components/fully_kiosk/strings.json
index c2407893869..267fdadfbcc 100644
--- a/homeassistant/components/fully_kiosk/strings.json
+++ b/homeassistant/components/fully_kiosk/strings.json
@@ -118,6 +118,9 @@
       }
     },
     "sensor": {
+      "battery_temperature": {
+        "name": "Battery temperature"
+      },
       "current_page": {
         "name": "Current page"
       },
diff --git a/tests/components/fully_kiosk/test_sensor.py b/tests/components/fully_kiosk/test_sensor.py
index ebf01f5e3d7..7168b47b610 100644
--- a/tests/components/fully_kiosk/test_sensor.py
+++ b/tests/components/fully_kiosk/test_sensor.py
@@ -54,6 +54,18 @@ async def test_sensors_sensors(
     assert entry
     assert entry.unique_id == "abcdef-123456-screenOrientation"
 
+    state = hass.states.get("sensor.amazon_fire_battery_temperature")
+    assert state
+    assert state.state == "27"
+    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.TEMPERATURE
+    assert state.attributes.get(ATTR_FRIENDLY_NAME) == "Amazon Fire Battery temperature"
+    assert state.attributes.get(ATTR_STATE_CLASS) == SensorStateClass.MEASUREMENT
+
+    entry = entity_registry.async_get("sensor.amazon_fire_battery_temperature")
+    assert entry
+    assert entry.unique_id == "abcdef-123456-batteryTemperature"
+    assert entry.entity_category == EntityCategory.DIAGNOSTIC
+
     state = hass.states.get("sensor.amazon_fire_foreground_app")
     assert state
     assert state.state == "de.ozerov.fully"