diff --git a/homeassistant/components/soma/sensor.py b/homeassistant/components/soma/sensor.py
index 6472f6934e00dc..d1c0de188a08e4 100644
--- a/homeassistant/components/soma/sensor.py
+++ b/homeassistant/components/soma/sensor.py
@@ -43,11 +43,12 @@ def native_value(self):
     async def async_update(self) -> None:
         """Update the sensor with the latest data."""
         response = await self.get_battery_level_from_api()
-
-        # https://support.somasmarthome.com/hc/en-us/articles/360026064234-HTTP-API
-        # battery_level response is expected to be min = 360, max 410 for
-        # 0-100% levels above 410 are consider 100% and below 360, 0% as the
-        # device considers 360 the minimum to move the motor.
-        _battery = round(2 * (response["battery_level"] - 360))
+        _battery = response.get("battery_percentage")
+        if _battery is None:
+            # https://support.somasmarthome.com/hc/en-us/articles/360026064234-HTTP-API
+            # battery_level response is expected to be min = 360, max 410 for
+            # 0-100% levels above 410 are consider 100% and below 360, 0% as the
+            # device considers 360 the minimum to move the motor.
+            _battery = round(2 * (response["battery_level"] - 360))
         battery = max(min(100, _battery), 0)
         self.battery_state = battery