diff --git a/shutdown_ups.py b/shutdown_ups.py
index 850c9f3..6c647d7 100644
--- a/shutdown_ups.py
+++ b/shutdown_ups.py
@@ -6,8 +6,8 @@ import socket
 import os
 
 ups_ip = "10.31.41.46"
-time_threshold = 4
-interval = 20
+time_threshold = 6
+interval = 60
 
 def parse_time(time_str):
     try:
@@ -51,13 +51,15 @@ def main():
 
         print(f"Time on battery: {time_on_battery} minutes, State: {state}", flush=True)
 
-        if time_on_battery != False and time_on_battery < time_threshold:
-            if state == "on-battery":
-                shutdown_status = run_command('shutdown --show 2>&1')
-                if "No scheduled shutdown" in shutdown_status:
-                    print("UPS is failing, shutting down in 60 seconds...", flush=True)
-                    send_email(f"{socket.gethostname()}@vvzvlad.xyz", "UPS is failing, shutting down in 60 seconds...", f"Proxmox node '{socket.gethostname()}': UPS is failing, shutting down in 60 seconds...", f"{socket.gethostname()}@vvzvlad.xyz")
-                    run_command('sudo shutdown -h 1 "Shutting down due to UPS failure"')
+        shutdown_status = run_command('shutdown --show 2>&1')
+        
+        if (state == "on-battery") and (time_on_battery > time_threshold) and ("No scheduled shutdown" in shutdown_status):
+            print("UPS is failing, shutting down in 60 seconds...", flush=True)
+            send_email(f"{socket.gethostname()}@vvzvlad.xyz", "UPS is failing, shutting down in 60 seconds...", f"Proxmox node '{socket.gethostname()}': UPS is failing, shutting down in 60 seconds...", f"{socket.gethostname()}@vvzvlad.xyz")
+            run_command('sudo shutdown -h 3 "Shutting down due to UPS failure"')
+        if (state == "on-line") and ("Shutdown scheduled" in shutdown_status):
+            print("UPS is back online, cancelling shutdown...", flush=True)
+            run_command('sudo shutdown -c')
 
         if state == "on-battery":
             time.sleep(5)