diff --git a/sensors/sopine-ac.yaml b/sensors/sopine-ac.yaml
index 6a7bf69..89d4d3a 100644
--- a/sensors/sopine-ac.yaml
+++ b/sensors/sopine-ac.yaml
@@ -17,6 +17,7 @@
     sopine_ac_voltage:
       entity_id: "sensor.sopine_ac"
       value_template: "{{ state_attr('sensor.sopine_ac', 'voltage') }}"
+      unit_of_measurement: "V"
     sopine_ac_online:
       entity_id: "sensor.sopine_ac"
       value_template: "{{ state_attr('sensor.sopine_ac', 'online') }}"
@@ -29,4 +30,5 @@
     sopine_ac_current:
       entity_id: "sensor.sopine_ac"
       value_template: "{{ state_attr('sensor.sopine_ac', 'current') }}"
+      unit_of_measurement: "A"