diff --git a/custom_components/bmstools/__init__.py b/custom_components/bmstools/__init__.py
index 19a61e6..831d6a8 100644
--- a/custom_components/bmstools/__init__.py
+++ b/custom_components/bmstools/__init__.py
@@ -77,7 +77,7 @@ def sync_update_data() -> dict:
         _LOGGER,
         name="BMS Tools",
         update_method=async_update_data,
-        update_interval=timedelta(seconds=1),
+        update_interval=timedelta(seconds=3),
     )
 
     await coordinator.async_config_entry_first_refresh()