diff --git a/custom_components/saj_esolar/sensor.py b/custom_components/saj_esolar/sensor.py
index b4227a7..276fa00 100644
--- a/custom_components/saj_esolar/sensor.py
+++ b/custom_components/saj_esolar/sensor.py
@@ -418,6 +418,7 @@ def add_years(d, years):
         key="batCurr",
         name="batCurr",
         icon="mdi:solar-panel-large",
+        native_unit_of_measurement="A⋅h"
     ),
     SensorEntityDescription(
         key="batEnergyPercent",