From 9d1f500d65d87425d897e390204caa2518f1655e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADctor=20Gurbani?=
 <89997914+victor-gurbani@users.noreply.github.com>
Date: Fri, 26 Dec 2025 10:37:16 +0100
Subject: [PATCH] Add state_class to Nuki battery sensor (#159756)

---
 homeassistant/components/nuki/sensor.py          | 7 ++++++-
 tests/components/nuki/snapshots/test_sensor.ambr | 5 ++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/nuki/sensor.py b/homeassistant/components/nuki/sensor.py
index 809e97d6ce9..46bb165543d 100644
--- a/homeassistant/components/nuki/sensor.py
+++ b/homeassistant/components/nuki/sensor.py
@@ -4,7 +4,11 @@ from __future__ import annotations
 
 from pynuki.device import NukiDevice
 
-from homeassistant.components.sensor import SensorDeviceClass, SensorEntity
+from homeassistant.components.sensor import (
+    SensorDeviceClass,
+    SensorEntity,
+    SensorStateClass,
+)
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import PERCENTAGE, EntityCategory
 from homeassistant.core import HomeAssistant
@@ -34,6 +38,7 @@ class NukiBatterySensor(NukiEntity[NukiDevice], SensorEntity):
     _attr_has_entity_name = True
     _attr_native_unit_of_measurement = PERCENTAGE
     _attr_device_class = SensorDeviceClass.BATTERY
+    _attr_state_class = SensorStateClass.MEASUREMENT
     _attr_entity_category = EntityCategory.DIAGNOSTIC
 
     @property
diff --git a/tests/components/nuki/snapshots/test_sensor.ambr b/tests/components/nuki/snapshots/test_sensor.ambr
index 55f2d1aac3c..f25d18e425a 100644
--- a/tests/components/nuki/snapshots/test_sensor.ambr
+++ b/tests/components/nuki/snapshots/test_sensor.ambr
@@ -4,7 +4,9 @@
     'aliases': set({
     }),
     'area_id': None,
-    'capabilities': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
     'config_entry_id': <ANY>,
     'config_subentry_id': <ANY>,
     'device_class': None,
@@ -39,6 +41,7 @@
     'attributes': ReadOnlyDict({
       'device_class': 'battery',
       'friendly_name': 'Home Battery',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
       'unit_of_measurement': '%',
     }),
     'context': <ANY>,