diff --git a/homeassistant/components/loqed/sensor.py b/homeassistant/components/loqed/sensor.py
index 1d4595db8e9542..43ea8a1401ba0c 100644
--- a/homeassistant/components/loqed/sensor.py
+++ b/homeassistant/components/loqed/sensor.py
@@ -13,6 +13,7 @@
     PERCENTAGE,
     SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
     EntityCategory,
+    UnitOfElectricPotential,
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -38,6 +39,13 @@
         entity_category=EntityCategory.DIAGNOSTIC,
         native_unit_of_measurement=PERCENTAGE,
     ),
+    SensorEntityDescription(
+        key="battery_voltage",
+        device_class=SensorDeviceClass.VOLTAGE,
+        state_class=SensorStateClass.MEASUREMENT,
+        entity_category=EntityCategory.DIAGNOSTIC,
+        native_unit_of_measurement=UnitOfElectricPotential.VOLT,
+    ),
 )