diff --git a/src/ha.h b/src/ha.h
index 4e702c5..1580459 100644
--- a/src/ha.h
+++ b/src/ha.h
@@ -348,6 +348,7 @@ namespace Ha {
             this->valueTemplate = valueTemplate;
             deviceClass = "battery";
             unitMeasure = "%";
+            sensorStateClass = MEASUREMENT;
         }
     };