diff --git a/libnymea/interfaces/extendedevcharger.json b/libnymea/interfaces/extendedevcharger.json
index b9282d05..1a13b2dc 100644
--- a/libnymea/interfaces/extendedevcharger.json
+++ b/libnymea/interfaces/extendedevcharger.json
@@ -3,11 +3,10 @@
     "extends": "evcharger",
     "states": [
         {
-            "name": "percentage",
-            "type": "int",
-            "min": 0,
-            "max": 100,
-            "writable": true
+            "name": "maxChargingCurrent",
+            "type": "uint",
+            "writable": true,
+            "unit": "MilliAmpere"
         }
     ]
 }