diff --git a/homeassistant/components/dynalite/cover.py b/homeassistant/components/dynalite/cover.py
index e5c38996a89..bbca16d3db6 100644
--- a/homeassistant/components/dynalite/cover.py
+++ b/homeassistant/components/dynalite/cover.py
@@ -2,7 +2,12 @@
 
 from typing import Any
 
-from homeassistant.components.cover import DEVICE_CLASSES, CoverDeviceClass, CoverEntity
+from homeassistant.components.cover import (
+    ATTR_CURRENT_POSITION,
+    DEVICE_CLASSES,
+    CoverDeviceClass,
+    CoverEntity,
+)
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -78,6 +83,12 @@ class DynaliteCover(DynaliteBase, CoverEntity):
         """Stop the cover."""
         await self._device.async_stop_cover(**kwargs)
 
+    def initialize_state(self, state):
+        """Initialize the state from cache."""
+        target_level = state.attributes.get(ATTR_CURRENT_POSITION)
+        if target_level is not None:
+            self._device.init_level(target_level)
+
 
 class DynaliteCoverWithTilt(DynaliteCover):
     """Representation of a Dynalite Channel as a Home Assistant Cover that uses up and down for tilt."""
diff --git a/homeassistant/components/dynalite/dynalitebase.py b/homeassistant/components/dynalite/dynalitebase.py
index b4b8285cbb0..3ebf04ab219 100644
--- a/homeassistant/components/dynalite/dynalitebase.py
+++ b/homeassistant/components/dynalite/dynalitebase.py
@@ -1,14 +1,16 @@
 """Support for the Dynalite devices as entities."""
 from __future__ import annotations
 
+from abc import ABC, abstractmethod
 from collections.abc import Callable
 from typing import Any
 
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
-from homeassistant.helpers.entity import DeviceInfo, Entity
+from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.restore_state import RestoreEntity
 
 from .bridge import DynaliteBridge
 from .const import DOMAIN, LOGGER
@@ -36,7 +38,7 @@ def async_setup_entry_base(
     bridge.register_add_devices(platform, async_add_entities_platform)
 
 
-class DynaliteBase(Entity):
+class DynaliteBase(RestoreEntity, ABC):
     """Base class for the Dynalite entities."""
 
     def __init__(self, device: Any, bridge: DynaliteBridge) -> None:
@@ -70,8 +72,16 @@ class DynaliteBase(Entity):
         )
 
     async def async_added_to_hass(self) -> None:
-        """Added to hass so need to register to dispatch."""
+        """Added to hass so need to restore state and register to dispatch."""
         # register for device specific update
+        await super().async_added_to_hass()
+
+        cur_state = await self.async_get_last_state()
+        if cur_state:
+            self.initialize_state(cur_state)
+        else:
+            LOGGER.info("Restore state not available for %s", self.entity_id)
+
         self._unsub_dispatchers.append(
             async_dispatcher_connect(
                 self.hass,
@@ -88,6 +98,10 @@ class DynaliteBase(Entity):
             )
         )
 
+    @abstractmethod
+    def initialize_state(self, state):
+        """Initialize the state from cache."""
+
     async def async_will_remove_from_hass(self) -> None:
         """Unregister signal dispatch listeners when being removed."""
         for unsub in self._unsub_dispatchers:
diff --git a/homeassistant/components/dynalite/light.py b/homeassistant/components/dynalite/light.py
index 27cd6f8cae8..ffb97da49c1 100644
--- a/homeassistant/components/dynalite/light.py
+++ b/homeassistant/components/dynalite/light.py
@@ -2,7 +2,7 @@
 
 from typing import Any
 
-from homeassistant.components.light import ColorMode, LightEntity
+from homeassistant.components.light import ATTR_BRIGHTNESS, ColorMode, LightEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -44,3 +44,9 @@ class DynaliteLight(DynaliteBase, LightEntity):
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn the light off."""
         await self._device.async_turn_off(**kwargs)
+
+    def initialize_state(self, state):
+        """Initialize the state from cache."""
+        target_level = state.attributes.get(ATTR_BRIGHTNESS)
+        if target_level is not None:
+            self._device.init_level(target_level)
diff --git a/homeassistant/components/dynalite/manifest.json b/homeassistant/components/dynalite/manifest.json
index d403291a081..57010666019 100644
--- a/homeassistant/components/dynalite/manifest.json
+++ b/homeassistant/components/dynalite/manifest.json
@@ -4,7 +4,7 @@
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/dynalite",
   "codeowners": ["@ziv1234"],
-  "requirements": ["dynalite_devices==0.1.46"],
+  "requirements": ["dynalite_devices==0.1.47"],
   "iot_class": "local_push",
   "loggers": ["dynalite_devices_lib"]
 }
diff --git a/homeassistant/components/dynalite/switch.py b/homeassistant/components/dynalite/switch.py
index 3e459e45847..54e9b919b89 100644
--- a/homeassistant/components/dynalite/switch.py
+++ b/homeassistant/components/dynalite/switch.py
@@ -4,6 +4,7 @@ from typing import Any
 
 from homeassistant.components.switch import SwitchEntity
 from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import STATE_ON
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
@@ -36,3 +37,8 @@ class DynaliteSwitch(DynaliteBase, SwitchEntity):
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn the switch off."""
         await self._device.async_turn_off()
+
+    def initialize_state(self, state):
+        """Initialize the state from cache."""
+        target_level = 1 if state.state == STATE_ON else 0
+        self._device.init_level(target_level)
diff --git a/requirements_all.txt b/requirements_all.txt
index 6290759fe21..5f1a1150442 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -609,7 +609,7 @@ dwdwfsapi==1.0.5
 dweepy==0.3.0
 
 # homeassistant.components.dynalite
-dynalite_devices==0.1.46
+dynalite_devices==0.1.47
 
 # homeassistant.components.rainforest_eagle
 eagle100==0.1.1
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index d07aeff4b7b..d43ecede70c 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -471,7 +471,7 @@ doorbirdpy==2.1.0
 dsmr_parser==0.33
 
 # homeassistant.components.dynalite
-dynalite_devices==0.1.46
+dynalite_devices==0.1.47
 
 # homeassistant.components.rainforest_eagle
 eagle100==0.1.1
diff --git a/tests/components/dynalite/test_bridge.py b/tests/components/dynalite/test_bridge.py
index 363a9671f59..f5cfaec7a97 100644
--- a/tests/components/dynalite/test_bridge.py
+++ b/tests/components/dynalite/test_bridge.py
@@ -70,10 +70,12 @@ async def test_add_devices_then_register(hass):
     device1.category = "light"
     device1.name = "NAME"
     device1.unique_id = "unique1"
+    device1.brightness = 1
     device2 = Mock()
     device2.category = "switch"
     device2.name = "NAME2"
     device2.unique_id = "unique2"
+    device2.brightness = 1
     new_device_func([device1, device2])
     device3 = Mock()
     device3.category = "switch"
@@ -103,10 +105,12 @@ async def test_register_then_add_devices(hass):
     device1.category = "light"
     device1.name = "NAME"
     device1.unique_id = "unique1"
+    device1.brightness = 1
     device2 = Mock()
     device2.category = "switch"
     device2.name = "NAME2"
     device2.unique_id = "unique2"
+    device2.brightness = 1
     new_device_func([device1, device2])
     await hass.async_block_till_done()
     assert hass.states.get("light.name")
diff --git a/tests/components/dynalite/test_cover.py b/tests/components/dynalite/test_cover.py
index fd671365ba1..5fbb22b91a7 100644
--- a/tests/components/dynalite/test_cover.py
+++ b/tests/components/dynalite/test_cover.py
@@ -1,8 +1,25 @@
 """Test Dynalite cover."""
+from unittest.mock import Mock
+
 from dynalite_devices_lib.cover import DynaliteTimeCoverWithTiltDevice
 import pytest
 
-from homeassistant.const import ATTR_DEVICE_CLASS, ATTR_FRIENDLY_NAME
+from homeassistant.components.cover import (
+    ATTR_CURRENT_POSITION,
+    ATTR_CURRENT_TILT_POSITION,
+    ATTR_POSITION,
+    ATTR_TILT_POSITION,
+    CoverDeviceClass,
+)
+from homeassistant.const import (
+    ATTR_DEVICE_CLASS,
+    ATTR_FRIENDLY_NAME,
+    STATE_CLOSED,
+    STATE_CLOSING,
+    STATE_OPEN,
+    STATE_OPENING,
+)
+from homeassistant.core import State
 from homeassistant.exceptions import HomeAssistantError
 
 from .common import (
@@ -14,12 +31,25 @@ from .common import (
     run_service_tests,
 )
 
+from tests.common import mock_restore_cache
+
 
 @pytest.fixture
 def mock_device():
     """Mock a Dynalite device."""
     mock_dev = create_mock_device("cover", DynaliteTimeCoverWithTiltDevice)
-    mock_dev.device_class = "blind"
+    mock_dev.device_class = CoverDeviceClass.BLIND.value
+    mock_dev.current_cover_position = 0
+    mock_dev.current_cover_tilt_position = 0
+    mock_dev.is_opening = False
+    mock_dev.is_closing = False
+    mock_dev.is_closed = True
+
+    def mock_init_level(target):
+        mock_dev.is_closed = target == 0
+
+    type(mock_dev).init_level = Mock(side_effect=mock_init_level)
+
     return mock_dev
 
 
@@ -29,11 +59,11 @@ async def test_cover_setup(hass, mock_device):
     entity_state = hass.states.get("cover.name")
     assert entity_state.attributes[ATTR_FRIENDLY_NAME] == mock_device.name
     assert (
-        entity_state.attributes["current_position"]
+        entity_state.attributes[ATTR_CURRENT_POSITION]
         == mock_device.current_cover_position
     )
     assert (
-        entity_state.attributes["current_tilt_position"]
+        entity_state.attributes[ATTR_CURRENT_TILT_POSITION]
         == mock_device.current_cover_tilt_position
     )
     assert entity_state.attributes[ATTR_DEVICE_CLASS] == mock_device.device_class
@@ -48,7 +78,7 @@ async def test_cover_setup(hass, mock_device):
             {
                 ATTR_SERVICE: "set_cover_position",
                 ATTR_METHOD: "async_set_cover_position",
-                ATTR_ARGS: {"position": 50},
+                ATTR_ARGS: {ATTR_POSITION: 50},
             },
             {ATTR_SERVICE: "open_cover_tilt", ATTR_METHOD: "async_open_cover_tilt"},
             {ATTR_SERVICE: "close_cover_tilt", ATTR_METHOD: "async_close_cover_tilt"},
@@ -56,7 +86,7 @@ async def test_cover_setup(hass, mock_device):
             {
                 ATTR_SERVICE: "set_cover_tilt_position",
                 ATTR_METHOD: "async_set_cover_tilt_position",
-                ATTR_ARGS: {"tilt_position": 50},
+                ATTR_ARGS: {ATTR_TILT_POSITION: 50},
             },
         ],
     )
@@ -91,14 +121,38 @@ async def test_cover_positions(hass, mock_device):
     """Test that the state updates in the various positions."""
     update_func = await create_entity_from_device(hass, mock_device)
     await check_cover_position(
-        hass, update_func, mock_device, True, False, False, "closing"
+        hass, update_func, mock_device, True, False, False, STATE_CLOSING
     )
     await check_cover_position(
-        hass, update_func, mock_device, False, True, False, "opening"
+        hass, update_func, mock_device, False, True, False, STATE_OPENING
     )
     await check_cover_position(
-        hass, update_func, mock_device, False, False, True, "closed"
+        hass, update_func, mock_device, False, False, True, STATE_CLOSED
     )
     await check_cover_position(
-        hass, update_func, mock_device, False, False, False, "open"
+        hass, update_func, mock_device, False, False, False, STATE_OPEN
     )
+
+
+async def test_cover_restore_state(hass, mock_device):
+    """Test restore from cache."""
+    mock_restore_cache(
+        hass,
+        [State("cover.name", STATE_OPEN, attributes={ATTR_CURRENT_POSITION: 77})],
+    )
+    await create_entity_from_device(hass, mock_device)
+    mock_device.init_level.assert_called_once_with(77)
+    entity_state = hass.states.get("cover.name")
+    assert entity_state.state == STATE_OPEN
+
+
+async def test_cover_restore_state_bad_cache(hass, mock_device):
+    """Test restore from a cache without the attribute."""
+    mock_restore_cache(
+        hass,
+        [State("cover.name", STATE_OPEN, attributes={"bla bla": 77})],
+    )
+    await create_entity_from_device(hass, mock_device)
+    mock_device.init_level.assert_not_called()
+    entity_state = hass.states.get("cover.name")
+    assert entity_state.state == STATE_CLOSED
diff --git a/tests/components/dynalite/test_light.py b/tests/components/dynalite/test_light.py
index b100cf8d3f6..337f0a415e6 100644
--- a/tests/components/dynalite/test_light.py
+++ b/tests/components/dynalite/test_light.py
@@ -1,8 +1,11 @@
 """Test Dynalite light."""
+from unittest.mock import Mock, PropertyMock
+
 from dynalite_devices_lib.light import DynaliteChannelLightDevice
 import pytest
 
 from homeassistant.components.light import (
+    ATTR_BRIGHTNESS,
     ATTR_COLOR_MODE,
     ATTR_SUPPORTED_COLOR_MODES,
     ColorMode,
@@ -10,8 +13,11 @@ from homeassistant.components.light import (
 from homeassistant.const import (
     ATTR_FRIENDLY_NAME,
     ATTR_SUPPORTED_FEATURES,
+    STATE_OFF,
+    STATE_ON,
     STATE_UNAVAILABLE,
 )
+from homeassistant.core import State
 
 from .common import (
     ATTR_METHOD,
@@ -22,11 +28,25 @@ from .common import (
     run_service_tests,
 )
 
+from tests.common import mock_restore_cache
+
 
 @pytest.fixture
 def mock_device():
     """Mock a Dynalite device."""
-    return create_mock_device("light", DynaliteChannelLightDevice)
+    mock_dev = create_mock_device("light", DynaliteChannelLightDevice)
+    mock_dev.brightness = 0
+
+    def mock_is_on():
+        return mock_dev.brightness != 0
+
+    type(mock_dev).is_on = PropertyMock(side_effect=mock_is_on)
+
+    def mock_init_level(target):
+        mock_dev.brightness = target
+
+    type(mock_dev).init_level = Mock(side_effect=mock_init_level)
+    return mock_dev
 
 
 async def test_light_setup(hass, mock_device):
@@ -34,10 +54,9 @@ async def test_light_setup(hass, mock_device):
     await create_entity_from_device(hass, mock_device)
     entity_state = hass.states.get("light.name")
     assert entity_state.attributes[ATTR_FRIENDLY_NAME] == mock_device.name
-    assert entity_state.attributes["brightness"] == mock_device.brightness
-    assert entity_state.attributes[ATTR_COLOR_MODE] == ColorMode.BRIGHTNESS
     assert entity_state.attributes[ATTR_SUPPORTED_COLOR_MODES] == [ColorMode.BRIGHTNESS]
     assert entity_state.attributes[ATTR_SUPPORTED_FEATURES] == 0
+    assert entity_state.state == STATE_OFF
     await run_service_tests(
         hass,
         mock_device,
@@ -67,3 +86,29 @@ async def test_remove_config_entry(hass, mock_device):
     assert await hass.config_entries.async_remove(entry_id)
     await hass.async_block_till_done()
     assert not hass.states.get("light.name")
+
+
+async def test_light_restore_state(hass, mock_device):
+    """Test restore from cache."""
+    mock_restore_cache(
+        hass,
+        [State("light.name", STATE_ON, attributes={ATTR_BRIGHTNESS: 77})],
+    )
+    await create_entity_from_device(hass, mock_device)
+    mock_device.init_level.assert_called_once_with(77)
+    entity_state = hass.states.get("light.name")
+    assert entity_state.state == STATE_ON
+    assert entity_state.attributes[ATTR_BRIGHTNESS] == 77
+    assert entity_state.attributes[ATTR_COLOR_MODE] == ColorMode.BRIGHTNESS
+
+
+async def test_light_restore_state_bad_cache(hass, mock_device):
+    """Test restore from a cache without the attribute."""
+    mock_restore_cache(
+        hass,
+        [State("light.name", "abc", attributes={"blabla": 77})],
+    )
+    await create_entity_from_device(hass, mock_device)
+    mock_device.init_level.assert_not_called()
+    entity_state = hass.states.get("light.name")
+    assert entity_state.state == STATE_OFF
diff --git a/tests/components/dynalite/test_switch.py b/tests/components/dynalite/test_switch.py
index de375e3b348..95ab64ef197 100644
--- a/tests/components/dynalite/test_switch.py
+++ b/tests/components/dynalite/test_switch.py
@@ -1,9 +1,12 @@
 """Test Dynalite switch."""
 
+from unittest.mock import Mock
+
 from dynalite_devices_lib.switch import DynalitePresetSwitchDevice
 import pytest
 
-from homeassistant.const import ATTR_FRIENDLY_NAME
+from homeassistant.const import ATTR_FRIENDLY_NAME, STATE_OFF, STATE_ON
+from homeassistant.core import State
 
 from .common import (
     ATTR_METHOD,
@@ -13,11 +16,20 @@ from .common import (
     run_service_tests,
 )
 
+from tests.common import mock_restore_cache
+
 
 @pytest.fixture
 def mock_device():
     """Mock a Dynalite device."""
-    return create_mock_device("switch", DynalitePresetSwitchDevice)
+    mock_dev = create_mock_device("switch", DynalitePresetSwitchDevice)
+    mock_dev.is_on = False
+
+    def mock_init_level(level):
+        mock_dev.is_on = level
+
+    type(mock_dev).init_level = Mock(side_effect=mock_init_level)
+    return mock_dev
 
 
 async def test_switch_setup(hass, mock_device):
@@ -25,6 +37,7 @@ async def test_switch_setup(hass, mock_device):
     await create_entity_from_device(hass, mock_device)
     entity_state = hass.states.get("switch.name")
     assert entity_state.attributes[ATTR_FRIENDLY_NAME] == mock_device.name
+    assert entity_state.state == STATE_OFF
     await run_service_tests(
         hass,
         mock_device,
@@ -34,3 +47,21 @@ async def test_switch_setup(hass, mock_device):
             {ATTR_SERVICE: "turn_off", ATTR_METHOD: "async_turn_off"},
         ],
     )
+
+
+@pytest.mark.parametrize("saved_state, level", [(STATE_ON, 1), (STATE_OFF, 0)])
+async def test_switch_restore_state(hass, mock_device, saved_state, level):
+    """Test restore from cache."""
+    mock_restore_cache(
+        hass,
+        [
+            State(
+                "switch.name",
+                saved_state,
+            )
+        ],
+    )
+    await create_entity_from_device(hass, mock_device)
+    mock_device.init_level.assert_called_once_with(level)
+    entity_state = hass.states.get("switch.name")
+    assert entity_state.state == saved_state