diff --git a/homeassistant/components/husqvarna_automower/binary_sensor.py b/homeassistant/components/husqvarna_automower/binary_sensor.py
index 9b80f6d57ac4..6922fb85693e 100644
--- a/homeassistant/components/husqvarna_automower/binary_sensor.py
+++ b/homeassistant/components/husqvarna_automower/binary_sensor.py
@@ -5,14 +5,14 @@ from dataclasses import dataclass
 import logging
 from typing import override
 
-from aioautomower.model import MowerActivities, MowerAttributes
+from aioautomower.model import MowerActivities, MowerAttributes, MowerStates
 
 from homeassistant.components.binary_sensor import (
     BinarySensorDeviceClass,
     BinarySensorEntity,
     BinarySensorEntityDescription,
 )
-from homeassistant.core import HomeAssistant
+from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 
 from . import AutomowerConfigEntry
@@ -24,17 +24,30 @@ _LOGGER = logging.getLogger(__name__)
 PARALLEL_UPDATES = 0
 
 
+@callback
+def _get_charging_value(data: MowerAttributes) -> bool | None:
+    """Return the charging state of the mower.
+
+    The mower only returns the charging state during normal operation.
+    If the mower is in a restricted state, the charging state is set to unknown.
+    """
+
+    if data.mower.state == MowerStates.RESTRICTED:
+        return None
+    return data.mower.activity == MowerActivities.CHARGING
+
+
 @dataclass(frozen=True, kw_only=True)
 class AutomowerBinarySensorEntityDescription(BinarySensorEntityDescription):
     """Describes Automower binary sensor entity."""
 
-    value_fn: Callable[[MowerAttributes], bool]
+    value_fn: Callable[[MowerAttributes], bool | None]
 
 
 MOWER_BINARY_SENSOR_TYPES: tuple[AutomowerBinarySensorEntityDescription, ...] = (
     AutomowerBinarySensorEntityDescription(
         key="battery_charging",
-        value_fn=lambda data: data.mower.activity == MowerActivities.CHARGING,
+        value_fn=_get_charging_value,
         device_class=BinarySensorDeviceClass.BATTERY_CHARGING,
     ),
     AutomowerBinarySensorEntityDescription(
@@ -82,6 +95,6 @@ class AutomowerBinarySensorEntity(AutomowerBaseEntity, BinarySensorEntity):
 
     @property
     @override
-    def is_on(self) -> bool:
+    def is_on(self) -> bool | None:
         """Return the state of the binary sensor."""
         return self.entity_description.value_fn(self.mower_attributes)
diff --git a/tests/components/husqvarna_automower/fixtures/mower.json b/tests/components/husqvarna_automower/fixtures/mower.json
index 73fc6dbbc7da..205723161cdc 100644
--- a/tests/components/husqvarna_automower/fixtures/mower.json
+++ b/tests/components/husqvarna_automower/fixtures/mower.json
@@ -247,7 +247,7 @@
           "mode": "MAIN_AREA",
           "activity": "PARKED_IN_CS",
           "inactiveReason": "NONE",
-          "state": "RESTRICTED",
+          "state": "IN_OPERATION",
           "errorCode": 0,
           "errorCodeTimestamp": 0
         },
@@ -271,7 +271,7 @@
           "override": {
             "action": "NOT_ACTIVE"
           },
-          "restrictedReason": "WEEK_SCHEDULE"
+          "restrictedReason": "NONE"
         },
         "metadata": {
           "connected": true,
diff --git a/tests/components/husqvarna_automower/snapshots/test_binary_sensor.ambr b/tests/components/husqvarna_automower/snapshots/test_binary_sensor.ambr
index efe6ee78c96e..70529f1f3d8e 100644
--- a/tests/components/husqvarna_automower/snapshots/test_binary_sensor.ambr
+++ b/tests/components/husqvarna_automower/snapshots/test_binary_sensor.ambr
@@ -47,7 +47,7 @@
     'last_changed': <ANY>,
     'last_reported': <ANY>,
     'last_updated': <ANY>,
-    'state': 'off',
+    'state': 'unknown',
   })
 # ---
 # name: test_binary_sensor_snapshot[binary_sensor.garden_test_mower_1_leaving_dock-entry]
diff --git a/tests/components/husqvarna_automower/snapshots/test_sensor.ambr b/tests/components/husqvarna_automower/snapshots/test_sensor.ambr
index 0f82b9db2982..fe9e2d9b5606 100644
--- a/tests/components/husqvarna_automower/snapshots/test_sensor.ambr
+++ b/tests/components/husqvarna_automower/snapshots/test_sensor.ambr
@@ -2363,6 +2363,6 @@
     'last_changed': <ANY>,
     'last_reported': <ANY>,
     'last_updated': <ANY>,
-    'state': 'week_schedule',
+    'state': 'none',
   })
 # ---