diff --git a/homeassistant/components/openevse/sensor.py b/homeassistant/components/openevse/sensor.py
index 571c2dcaad87..dc7e02dfc055 100644
--- a/homeassistant/components/openevse/sensor.py
+++ b/homeassistant/components/openevse/sensor.py
@@ -101,7 +101,8 @@ SENSOR_TYPES: tuple[OpenEVSESensorDescription, ...] = (
     OpenEVSESensorDescription(
         key="charging_current",
         translation_key="charging_current",
-        native_unit_of_measurement=UnitOfElectricCurrent.AMPERE,
+        native_unit_of_measurement=UnitOfElectricCurrent.MILLIAMPERE,
+        suggested_unit_of_measurement=UnitOfElectricCurrent.AMPERE,
         device_class=SensorDeviceClass.CURRENT,
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda ev: ev.charging_current,
@@ -117,7 +118,8 @@ SENSOR_TYPES: tuple[OpenEVSESensorDescription, ...] = (
     OpenEVSESensorDescription(
         key="charging_power",
         translation_key="charging_power",
-        native_unit_of_measurement=UnitOfPower.WATT,
+        native_unit_of_measurement=UnitOfPower.MILLIWATT,
+        suggested_unit_of_measurement=UnitOfPower.WATT,
         device_class=SensorDeviceClass.POWER,
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda ev: ev.charging_power,
diff --git a/tests/components/openevse/conftest.py b/tests/components/openevse/conftest.py
index 04629a4b5d45..92af5adfd7a5 100644
--- a/tests/components/openevse/conftest.py
+++ b/tests/components/openevse/conftest.py
@@ -49,9 +49,9 @@ def mock_charger() -> Generator[MagicMock]:
         charger.charge_time_elapsed = 3600  # 60 minutes in seconds
         charger.vehicle_eta = None
         # Electrical sensors
-        charger.charging_current = 32.0
+        charger.charging_current = 32000.0
         charger.charging_voltage = 240
-        charger.charging_power = 7680.0
+        charger.charging_power = 7680000.0
         charger.current_power = 7680
         charger.current_capacity = 32
         charger.max_current = 48
diff --git a/tests/components/openevse/snapshots/test_sensor.ambr b/tests/components/openevse/snapshots/test_sensor.ambr
index d5f902242a15..cb38c5202e3d 100644
--- a/tests/components/openevse/snapshots/test_sensor.ambr
+++ b/tests/components/openevse/snapshots/test_sensor.ambr
@@ -147,6 +147,9 @@
       'sensor': dict({
         'suggested_display_precision': 2,
       }),
+      'sensor.private': dict({
+        'suggested_unit_of_measurement': <UnitOfElectricCurrent.AMPERE: 'A'>,
+      }),
     }),
     'original_device_class': <SensorDeviceClass.CURRENT: 'current'>,
     'original_icon': None,
@@ -205,6 +208,9 @@
       'sensor': dict({
         'suggested_display_precision': 0,
       }),
+      'sensor.private': dict({
+        'suggested_unit_of_measurement': <UnitOfPower.WATT: 'W'>,
+      }),
     }),
     'original_device_class': <SensorDeviceClass.POWER: 'power'>,
     'original_icon': None,