diff --git a/homeassistant/components/zwave_js/sensor.py b/homeassistant/components/zwave_js/sensor.py
index f4b303aa1af..304a80f7940 100644
--- a/homeassistant/components/zwave_js/sensor.py
+++ b/homeassistant/components/zwave_js/sensor.py
@@ -22,8 +22,10 @@ from homeassistant.components.sensor import (
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
+    DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_TEMPERATURE,
+    DEVICE_CLASS_VOLTAGE,
     TEMP_CELSIUS,
     TEMP_FAHRENHEIT,
 )
@@ -142,8 +144,14 @@ class ZwaveSensorBase(ZWaveBaseEntity, SensorEntity):
                 return DEVICE_CLASS_HUMIDITY
             if "temperature" in property_lower:
                 return DEVICE_CLASS_TEMPERATURE
+        if self.info.primary_value.metadata.unit == "A":
+            return DEVICE_CLASS_CURRENT
         if self.info.primary_value.metadata.unit == "W":
             return DEVICE_CLASS_POWER
+        if self.info.primary_value.metadata.unit == "kWh":
+            return DEVICE_CLASS_ENERGY
+        if self.info.primary_value.metadata.unit == "V":
+            return DEVICE_CLASS_VOLTAGE
         if self.info.primary_value.metadata.unit == "Lux":
             return DEVICE_CLASS_ILLUMINANCE
         return None
@@ -241,9 +249,6 @@ class ZWaveMeterSensor(ZWaveNumericSensor, RestoreEntity):
         # Entity class attributes
         self._attr_state_class = STATE_CLASS_MEASUREMENT
         self._attr_last_reset = dt.utc_from_timestamp(0)
-        self._attr_device_class = DEVICE_CLASS_POWER
-        if self.info.primary_value.metadata.unit == "kWh":
-            self._attr_device_class = DEVICE_CLASS_ENERGY
 
     @callback
     def async_update_last_reset(
diff --git a/tests/components/zwave_js/common.py b/tests/components/zwave_js/common.py
index c7100b22bd5..8c8a3f2e576 100644
--- a/tests/components/zwave_js/common.py
+++ b/tests/components/zwave_js/common.py
@@ -3,8 +3,10 @@ from datetime import datetime, timezone
 
 AIR_TEMPERATURE_SENSOR = "sensor.multisensor_6_air_temperature"
 HUMIDITY_SENSOR = "sensor.multisensor_6_humidity"
-ENERGY_SENSOR = "sensor.smart_plug_with_two_usb_ports_value_electric_consumed_2"
 POWER_SENSOR = "sensor.smart_plug_with_two_usb_ports_value_electric_consumed"
+ENERGY_SENSOR = "sensor.smart_plug_with_two_usb_ports_value_electric_consumed_2"
+VOLTAGE_SENSOR = "sensor.smart_plug_with_two_usb_ports_value_electric_consumed_3"
+CURRENT_SENSOR = "sensor.smart_plug_with_two_usb_ports_value_electric_consumed_4"
 SWITCH_ENTITY = "switch.smart_plug_with_two_usb_ports"
 LOW_BATTERY_BINARY_SENSOR = "binary_sensor.multisensor_6_low_battery_level"
 ENABLED_LEGACY_BINARY_SENSOR = "binary_sensor.z_wave_door_window_sensor_any"
diff --git a/tests/components/zwave_js/test_sensor.py b/tests/components/zwave_js/test_sensor.py
index ebe406fb951..9fa4152ad6b 100644
--- a/tests/components/zwave_js/test_sensor.py
+++ b/tests/components/zwave_js/test_sensor.py
@@ -12,10 +12,14 @@ from homeassistant.components.zwave_js.const import (
 )
 from homeassistant.const import (
     ATTR_ENTITY_ID,
+    DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_ENERGY,
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_POWER,
     DEVICE_CLASS_TEMPERATURE,
+    DEVICE_CLASS_VOLTAGE,
+    ELECTRIC_CURRENT_AMPERE,
+    ELECTRIC_POTENTIAL_VOLT,
     ENERGY_KILO_WATT_HOUR,
     POWER_WATT,
     TEMP_CELSIUS,
@@ -25,6 +29,7 @@ from homeassistant.helpers import entity_registry as er
 from .common import (
     AIR_TEMPERATURE_SENSOR,
     BASIC_SENSOR,
+    CURRENT_SENSOR,
     DATETIME_LAST_RESET,
     DATETIME_ZERO,
     ENERGY_SENSOR,
@@ -34,6 +39,7 @@ from .common import (
     METER_SENSOR,
     NOTIFICATION_MOTION_SENSOR,
     POWER_SENSOR,
+    VOLTAGE_SENSOR,
 )
 
 
@@ -72,6 +78,20 @@ async def test_energy_sensors(hass, hank_binary_switch, integration):
     assert state.attributes["device_class"] == DEVICE_CLASS_ENERGY
     assert state.attributes["state_class"] == STATE_CLASS_MEASUREMENT
 
+    state = hass.states.get(VOLTAGE_SENSOR)
+
+    assert state
+    assert state.state == "122.96"
+    assert state.attributes["unit_of_measurement"] == ELECTRIC_POTENTIAL_VOLT
+    assert state.attributes["device_class"] == DEVICE_CLASS_VOLTAGE
+
+    state = hass.states.get(CURRENT_SENSOR)
+
+    assert state
+    assert state.state == "0.0"
+    assert state.attributes["unit_of_measurement"] == ELECTRIC_CURRENT_AMPERE
+    assert state.attributes["device_class"] == DEVICE_CLASS_CURRENT
+
 
 async def test_disabled_notification_sensor(hass, multisensor_6, integration):
     """Test sensor is created from Notification CC and is disabled."""