diff --git a/haos-addon/config.yaml b/haos-addon/config.yaml
index 1884596..88ef316 100644
--- a/haos-addon/config.yaml
+++ b/haos-addon/config.yaml
@@ -1,5 +1,5 @@
 name: ShineBridge
-version: "1.8.26"
+version: "1.8.27"
 slug: shinebridge
 description: Growatt Wechselrichter lokal in Home Assistant — Modbus TCP via ShineLAN-X, MQTT Discovery, Web UI
 url: https://gitea.bitfire.work/retr0/shinebridge
diff --git a/haos-addon/src/inverters.py b/haos-addon/src/inverters.py
index f6c4581..61e649b 100644
--- a/haos-addon/src/inverters.py
+++ b/haos-addon/src/inverters.py
@@ -247,8 +247,9 @@ INVERTERS = {
         name="Kathrein Wallbox",
         manufacturer="Kathrein",
         sensors=_kathrein_sensors(),
-        # Meter-Block + EVSE-Status + EMS-Setpoint
-        read_ranges=[(0x0030, 48), (0x0060, 10), (0x00A2, 1)],
+        # Meter-Block 0x0030-0x005F + charging_state 0x0060 (solo, 0x0061-0x0064 existieren nicht)
+        # + EVSE-Status 0x0065-0x006A + EMS-Setpoint 0x00A2
+        read_ranges=[(0x0030, 48), (0x0060, 1), (0x0065, 6), (0x00A2, 1)],
         protocol="kathrein",
         goodwe_family="",
     ),
diff --git a/haos-addon/src/main.py b/haos-addon/src/main.py
index d906a0f..6d8581f 100644
--- a/haos-addon/src/main.py
+++ b/haos-addon/src/main.py
@@ -345,7 +345,7 @@ def _poll_loop(inv_cfg: Dict[str, Any], stop: threading.Event):
         # EMS: PV-Überschuss aus anderen Geräten holen und Ladestrom regeln
         if ems is not None and values is not None and inv_cfg.get("ems_enabled", True):
             pv_surplus = _get_pv_surplus()
-            # 0x0060 gibt IllegalAddress zurück wenn kein Auto angesteckt → State 0 (Idle)
+            # charging_state aus 0x0060 (solo-Read); fehlt bei kein Fahrzeug → 0 (Idle)
             charging_state = int(values.get("charging_state", 0))
             wallbox_power = values.get("total_power", 0.0)
             ems_status = ems.update(reader, pv_surplus, charging_state, wallbox_power)
diff --git a/haos-addon/src/web/index.html b/haos-addon/src/web/index.html
index dd3538f..d67d01a 100644
--- a/haos-addon/src/web/index.html
+++ b/haos-addon/src/web/index.html
@@ -1693,7 +1693,7 @@ async function wizardStep2Next() {
   if (!name || !ip) { showToast("Name und IP sind Pflichtfelder", "err"); return; }
   const model = document.getElementById("wz-inv-model").value;
   const id = Math.random().toString(36).slice(2, 10);
-  const body = [{
+  const newInv = {
     id,
     name,
     inverter_model:    model,
@@ -1702,7 +1702,9 @@ async function wizardStep2Next() {
     modbus_address:    parseInt(document.getElementById("wz-inv-addr").value)  || 1,
     mqtt_topic_prefix: `growatt/${name.toLowerCase().replace(/\s+/g, "_")}`,
     update_interval:   30,
-  }];
+  };
+  // Bestehende Geräte behalten — Wizard darf nicht die komplette Liste überschreiben
+  const body = [...invertersList, newInv];
   try {
     await fetchJSON(api("api/inverters-config"), {
       method: "POST", headers: {"Content-Type": "application/json"},