diff --git a/homeassistant/components/reolink/entity.py b/homeassistant/components/reolink/entity.py
index e6005090fa62..879e42cf1517 100644
--- a/homeassistant/components/reolink/entity.py
+++ b/homeassistant/components/reolink/entity.py
@@ -96,6 +96,13 @@ class ReolinkHostCoordinatorEntity(CoordinatorEntity[ReolinkCoordinator]):
         if self.entity_description.always_available:
             return True
 
+        if self._host.api.is_battery:
+            return (
+                self._host.api.baichuan.login_sucess
+                and not self._host.api.baichuan.privacy_mode()
+                and super().available
+            )
+
         return (
             self._host.api.session_active
             and not self._host.api.baichuan.privacy_mode()
diff --git a/tests/components/reolink/conftest.py b/tests/components/reolink/conftest.py
index 853dcfb8bec4..190254af0457 100644
--- a/tests/components/reolink/conftest.py
+++ b/tests/components/reolink/conftest.py
@@ -93,6 +93,7 @@ def _init_host_mock(host_mock: MagicMock) -> None:
     host_mock.update_firmware = AsyncMock()
     host_mock.is_nvr = True
     host_mock.is_hub = False
+    host_mock.is_battery = False
     host_mock.mac_address = TEST_MAC
     host_mock.uid = TEST_UID
     host_mock.onvif_enabled = True
@@ -162,6 +163,7 @@ def _init_host_mock(host_mock: MagicMock) -> None:
     # Disable tcp push by default for tests
     host_mock.baichuan.port = TEST_BC_PORT
     host_mock.baichuan.events_active = False
+    host_mock.baichuan.login_sucess = True
     host_mock.baichuan.subscribe_events = AsyncMock()
     host_mock.baichuan.unsubscribe_events = AsyncMock()
     host_mock.baichuan.check_subscribe_events = AsyncMock()
diff --git a/tests/components/reolink/test_entity.py b/tests/components/reolink/test_entity.py
new file mode 100644
index 000000000000..172bf45eff02
--- /dev/null
+++ b/tests/components/reolink/test_entity.py
@@ -0,0 +1,41 @@
+"""Test the Reolink entity file."""
+
+from unittest.mock import MagicMock, patch
+
+from freezegun.api import FrozenDateTimeFactory
+
+from homeassistant.components.reolink.coordinator import DEVICE_UPDATE_INTERVAL_MIN
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.const import STATE_UNAVAILABLE, Platform
+from homeassistant.core import HomeAssistant
+
+from .conftest import TEST_CAM_NAME
+
+from tests.common import MockConfigEntry, async_fire_time_changed
+
+
+async def test_battery_available(
+    hass: HomeAssistant,
+    freezer: FrozenDateTimeFactory,
+    config_entry: MockConfigEntry,
+    reolink_host: MagicMock,
+) -> None:
+    """Test available property of a entity from a Reolink battery camera."""
+    reolink_host.volume.return_value = 80
+    reolink_host.is_battery = True
+
+    with patch("homeassistant.components.reolink.PLATFORMS", [Platform.NUMBER]):
+        assert await hass.config_entries.async_setup(config_entry.entry_id)
+    await hass.async_block_till_done()
+    assert config_entry.state is ConfigEntryState.LOADED
+
+    entity_id = f"{Platform.NUMBER}.{TEST_CAM_NAME}_volume"
+
+    assert hass.states.get(entity_id).state == "80"
+
+    reolink_host.baichuan.login_sucess = False
+    freezer.tick(2 * DEVICE_UPDATE_INTERVAL_MIN)
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    assert hass.states.get(entity_id).state == STATE_UNAVAILABLE