diff --git a/homeassistant/components/geniushub/sensor.py b/homeassistant/components/geniushub/sensor.py
index 06237b6e8d5..22d95be079e 100644
--- a/homeassistant/components/geniushub/sensor.py
+++ b/homeassistant/components/geniushub/sensor.py
@@ -47,6 +47,9 @@ async def async_setup_platform(
 class GeniusBattery(GeniusDevice, SensorEntity):
     """Representation of a Genius Hub sensor."""
 
+    _attr_device_class = SensorDeviceClass.BATTERY
+    _attr_native_unit_of_measurement = PERCENTAGE
+
     def __init__(self, broker, device, state_attr) -> None:
         """Initialize the sensor."""
         super().__init__(broker, device)
@@ -80,16 +83,6 @@ class GeniusBattery(GeniusDevice, SensorEntity):
 
         return icon
 
-    @property
-    def device_class(self) -> SensorDeviceClass:
-        """Return the device class of the sensor."""
-        return SensorDeviceClass.BATTERY
-
-    @property
-    def native_unit_of_measurement(self) -> str:
-        """Return the unit of measurement of the sensor."""
-        return PERCENTAGE
-
     @property
     def native_value(self) -> str:
         """Return the state of the sensor."""