diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68d1f9ce..db26b426 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 ## v1.0.x
 
 * Added: Bluetooth: Show signal strength of BMS in log by @mr-manuel
+* Added: Configure logging level in `config.ini` by @mr-manuel
 * Added: Create unique identifier, if not provided from BMS by @mr-manuel
 * Added: Current average of the last 5 minutes by @mr-manuel
 * Added: Daly BMS - Auto reset SoC when changing to float (can be turned off in the config file) by @transistorgit
diff --git a/etc/dbus-serialbattery/config.default.ini b/etc/dbus-serialbattery/config.default.ini
index d8ae2c4c..7317902e 100644
--- a/etc/dbus-serialbattery/config.default.ini
+++ b/etc/dbus-serialbattery/config.default.ini
@@ -1,5 +1,12 @@
 [DEFAULT]
 
+; --------- Set logging level ---------
+; ERROR: Only errors are logged
+; WARNING: Errors and warnings are logged
+; INFO: Errors, warnings and info messages are logged
+; DEBUG: Errors, warnings, info and debug messages are logged
+LOGGING = INFO
+
 ; --------- Battery Current limits ---------
 MAX_BATTERY_CHARGE_CURRENT    = 50.0
 MAX_BATTERY_DISCHARGE_CURRENT = 60.0
diff --git a/etc/dbus-serialbattery/dbus-serialbattery.py b/etc/dbus-serialbattery/dbus-serialbattery.py
index 9119e850..e4bde35e 100644
--- a/etc/dbus-serialbattery/dbus-serialbattery.py
+++ b/etc/dbus-serialbattery/dbus-serialbattery.py
@@ -195,6 +195,9 @@ def get_port() -> str:
 
         battery = get_battery(port)
     else:
+        # wait some seconds to be sure that the serial connection is ready
+        # else the error throw a lot of timeouts
+        sleep(16)
         battery = get_battery(port)
 
     # exit if no battery could be found
diff --git a/etc/dbus-serialbattery/utils.py b/etc/dbus-serialbattery/utils.py
index c38cbd9f..0d85998b 100644
--- a/etc/dbus-serialbattery/utils.py
+++ b/etc/dbus-serialbattery/utils.py
@@ -13,7 +13,6 @@
 # Logging
 logging.basicConfig()
 logger = logging.getLogger("SerialBattery")
-logger.setLevel(logging.INFO)
 
 PATH_CONFIG_DEFAULT = "config.default.ini"
 PATH_CONFIG_USER = "config.ini"
@@ -38,10 +37,20 @@ def _get_list_from_config(
 
 
 # Constants
-DRIVER_VERSION = "1.0.20230927dev"
+DRIVER_VERSION = "1.0.20231009dev"
 zero_char = chr(48)
 degree_sign = "\N{DEGREE SIGN}"
 
+# get logging level from config file
+if config["DEFAULT"]["LOGGING"] == "ERROR":
+    logging.basicConfig(level=logging.ERROR)
+elif config["DEFAULT"]["LOGGING"] == "WARNING":
+    logging.basicConfig(level=logging.WARNING)
+elif config["DEFAULT"]["LOGGING"] == "DEBUG":
+    logging.basicConfig(level=logging.DEBUG)
+else:
+    logging.basicConfig(level=logging.INFO)
+
 # save config values to constants
 
 # --------- Battery Current limits ---------