diff --git a/firmware/Cerbo_Release/CerboReleaseFiles/dbus-fzsonick-48tl/dbus-fzsonick-48tl.py b/firmware/Cerbo_Release/CerboReleaseFiles/dbus-fzsonick-48tl/dbus-fzsonick-48tl.py
index c73902691..4e7d84196 100755
--- a/firmware/Cerbo_Release/CerboReleaseFiles/dbus-fzsonick-48tl/dbus-fzsonick-48tl.py
+++ b/firmware/Cerbo_Release/CerboReleaseFiles/dbus-fzsonick-48tl/dbus-fzsonick-48tl.py
@@ -916,7 +916,8 @@ def create_batch_of_csv_files():
     csv_files.sort(key=lambda x: os.path.getctime(os.path.join(CSV_DIR, x)))
 
     # keep the 30 MOST RECENT FILES
-    recent_csv_files = csv_files[-30:] if len(csv_files) > 30 else csv_files
+    #recent_csv_files = csv_files[-30:] if len(csv_files) > 30 else csv_files
+    recent_csv_files = csv_files[-600:] if len(csv_files) > 600 else csv_files
 
     # get the name of the first csv file
     if not csv_files:
@@ -1089,22 +1090,23 @@ def create_csv_files(signals, statuses, node_numbers, alarms_number_list, warnin
     csv_filename = f"{timestamp}.csv"
     csv_path = os.path.join(CSV_DIR, csv_filename)
     # Append values to the CSV file
-    with open(csv_path, 'a', newline='') as csvfile:
-        csv_writer = csv.writer(csvfile, delimiter=';')
-        # Add a special row for the nodes configuration
-        nodes_config_path = "/Config/Devices/BatteryNodes"
-        nodes_list = ",".join(str(node) for node in node_numbers)
-        config_row = [nodes_config_path, nodes_list, ""]
-        csv_writer.writerow(config_row)
-        # Iterate over each node and signal to create rows in the new format
-        for i, node in enumerate(node_numbers):
-            csv_writer.writerow([f"/Battery/Devices/{str(i+1)}/Alarms", alarms_number_list[i], ""])
-            csv_writer.writerow([f"/Battery/Devices/{str(i+1)}/Warnings", warnings_number_list[i], ""])
-            for s in signals:
-                signal_name = insert_id(s.name, i+1)
-                value = s.get_value(statuses[i])
-                row_values = [signal_name, value, s.get_text]
-                csv_writer.writerow(row_values)
+    if not os.path.exists(csv_path):
+        with open(csv_path, 'a', newline='') as csvfile:
+            csv_writer = csv.writer(csvfile, delimiter=';')
+            # Add a special row for the nodes configuration
+            nodes_config_path = "/Config/Devices/BatteryNodes"
+            nodes_list = ",".join(str(node) for node in node_numbers)
+            config_row = [nodes_config_path, nodes_list, ""]
+            csv_writer.writerow(config_row)
+            # Iterate over each node and signal to create rows in the new format
+            for i, node in enumerate(node_numbers):
+                csv_writer.writerow([f"/Battery/Devices/{str(i+1)}/Alarms", alarms_number_list[i], ""])
+                csv_writer.writerow([f"/Battery/Devices/{str(i+1)}/Warnings", warnings_number_list[i], ""])
+                for s in signals:
+                    signal_name = insert_id(s.name, i+1)
+                    value = s.get_value(statuses[i])
+                    row_values = [signal_name, value, s.get_text]
+                    csv_writer.writerow(row_values)
 
 def main(argv):
     # type: (list[str]) -> ()
diff --git a/firmware/Venus_Release/VenusReleaseFiles/dbus-fzsonick-48tl/dbus-fzsonick-48tl.py b/firmware/Venus_Release/VenusReleaseFiles/dbus-fzsonick-48tl/dbus-fzsonick-48tl.py
index d6d2cff65..a84172299 100755
--- a/firmware/Venus_Release/VenusReleaseFiles/dbus-fzsonick-48tl/dbus-fzsonick-48tl.py
+++ b/firmware/Venus_Release/VenusReleaseFiles/dbus-fzsonick-48tl/dbus-fzsonick-48tl.py
@@ -591,7 +591,8 @@ def create_batch_of_csv_files():
 	csv_files.sort(key=lambda x: os.path.getctime(os.path.join(CSV_DIR, x)))
 
 	# keep the 30 MOST RECENT FILES
-	recent_csv_files = csv_files[-30:] if len(csv_files) > 30 else csv_files
+	#recent_csv_files = csv_files[-30:] if len(csv_files) > 30 else csv_files
+	recent_csv_files = csv_files[-600:] if len(csv_files) > 600 else csv_files
 
 	# get the name of the first csv file
 	if not csv_files:
@@ -685,26 +686,27 @@ def create_batch_of_csv_files():
 def create_csv_files(signals, statuses, node_numbers, alarms_number_list, warnings_number_list):
 	timestamp = int(time.time())
 	if timestamp % 2 != 0:
-		timestamp-=1
+		timestamp -= 1
 	if not os.path.exists(CSV_DIR):
 		os.makedirs(CSV_DIR)
 	csv_filename = "{}.csv".format(timestamp)
 	csv_path = os.path.join(CSV_DIR, csv_filename)
 
-	with open(csv_path, 'ab') as csvfile:
-		csv_writer = csv.writer(csvfile, delimiter=';')
-		nodes_config_path = "/Config/Devices/BatteryNodes"
-		nodes_list = ",".join(str(node) for node in node_numbers)
-		config_row = [nodes_config_path, nodes_list, ""]
-		csv_writer.writerow(config_row)
-		for i, node in enumerate(node_numbers):
-			csv_writer.writerow(["/Battery/Devices/{}/Alarms".format(str(i+1)), alarms_number_list[i], ""])
-			csv_writer.writerow(["/Battery/Devices/{}/Warnings".format(str(i+1)), warnings_number_list[i], ""])
-			for s in signals:
-				signal_name = insert_id(s.name, i+1)
-				value = s.get_value(statuses[i])
-				row_values = [signal_name, value, s.get_text]
-				csv_writer.writerow(row_values)
+	if not os.path.exists(csv_path):
+		with open(csv_path, 'ab') as csvfile:
+			csv_writer = csv.writer(csvfile, delimiter=';')
+			nodes_config_path = "/Config/Devices/BatteryNodes"
+			nodes_list = ",".join(str(node) for node in node_numbers)
+			config_row = [nodes_config_path, nodes_list, ""]
+			csv_writer.writerow(config_row)
+			for i, node in enumerate(node_numbers):
+				csv_writer.writerow(["/Battery/Devices/{}/Alarms".format(str(i+1)), alarms_number_list[i], ""])
+				csv_writer.writerow(["/Battery/Devices/{}/Warnings".format(str(i+1)), warnings_number_list[i], ""])
+				for s in signals:
+					signal_name = insert_id(s.name, i+1)
+					value = s.get_value(statuses[i])
+					row_values = [signal_name, value, s.get_text]
+					csv_writer.writerow(row_values)
 
 def create_watchdog_task(main_loop):
 	# type: (DBusGMainLoop) -> Callable[[],bool]