diff --git a/custom_components/openwbmqtt/const.py b/custom_components/openwbmqtt/const.py
index 2cafbb0..5e754b8 100644
--- a/custom_components/openwbmqtt/const.py
+++ b/custom_components/openwbmqtt/const.py
@@ -935,7 +935,7 @@ class openWBNumberEntityDescription(NumberEntityDescription):
         native_max_value=100.0,
         native_step=1.0,
         entity_category=EntityCategory.CONFIG,
-        mqttTopicCommand="manualSoc",
+        mqttTopicCommand="%Soc",
         mqttTopicCurrentValue="manualSoc",
         mqttTopicChargeMode=None,
         entity_registry_enabled_default=False,