diff --git a/upsmon/ups.py b/upsmon/ups.py
index 5012879..a0c2c38 100644
--- a/upsmon/ups.py
+++ b/upsmon/ups.py
@@ -15,24 +15,19 @@ env = dict(os.environ)
 LOGGER: logging.Logger
 
 class UPScommand:
-    port: serial.Serial
 
-    def __init__(self, p: serial.Serial):
-        self.port = p
-        return
-    
-    def send(self, cmd: str):
-        self.port.write((cmd+'\r').encode('ascii'))
-        self.port.flush()
+    def send(self, port:serial.Serial, cmd: str):
+        port.write((cmd+'\r').encode('ascii'))
+        port.flush()
 
-    def receive(self, cmd: str) -> str:
-        resp = self.port.read_until(expected=b'\r').decode('ascii').rstrip()
+    def receive(self, port:serial.Serial, cmd: str) -> str:
+        resp = port.read_until(expected=b'\r').decode('ascii').rstrip()
         LOGGER.debug(f"{cmd} : {resp}")
         return resp
 
-    def request(self, cmd: str) -> list[str]:
-        self.send(cmd)
-        return self.receive(cmd).lstrip('(').rstrip().split()
+    def request(self, port:serial.Serial, cmd: str) -> list[str]:
+        self.send(port, cmd)
+        return self.receive(port, cmd).lstrip('(').rstrip().split()
     
     def asDict(self):
         return deepcopy(self.__dict__)
@@ -52,14 +47,14 @@ class UPSstatus(UPScommand):
     ecoMode: bool
 
     def __init__(self, port: serial.Serial):
-        self.port = port
-        self.update()
+        self.update(port)
+        return
 
-    def update(self):
-        data = self.request(cmd="QGS")
+    def update(self, port:serial.Serial):
+        data = self.request(port=port, cmd="QGS")
         self.inV = float(data[0])
         self.inF = float(data[1])
-        self.outV = float(data[1])
+        self.outV = float(data[2])
         self.outF = float(data[3])
         self.current = float(data[4])
         self.loadPct = int(data[5])
@@ -74,16 +69,16 @@ class UPSbattery(UPScommand):
     battV: float
     battPct: int
     timeLeft: float
-    
+
     def __init__(self, port: serial.Serial):
-        self.port = port
-        self.update()
+        self.update(port)
+        return
     
-    def update(self):
-        data = self.request(cmd="QBV")
+    def update(self, port: serial.Serial):
+        data = self.request(port=port, cmd="QBV")
         self.battV = float(data[0])
         self.battPct = int(data[3])
-        self.timeLeft = int(data[4]) / 60.0
+        self.timeLeft = round(int(data[4]) / 60.0, 2)
 
 ##################
 ###### MAIN ######
@@ -106,8 +101,8 @@ def main() -> int:
 
         # Init Dataclasses
         run: SignalHandler = SignalHandler(LOGGER)
-        status = UPSstatus(port=port)
-        battery = UPSbattery(port=port)
+        status = UPSstatus(port)
+        battery = UPSbattery(port)
     except Exception as e:
         LOGGER.error(e)
         return 1
@@ -121,9 +116,9 @@ def main() -> int:
     while run.running:
         try:
             # Update data
-            status.update()
+            status.update(port)
             LOGGER.debug(f"{repr(status)}")
-            battery.update()
+            battery.update(port)
             LOGGER.debug(f"{repr(battery)}")
             
             # Debug status Information when running on batteries
@@ -133,10 +128,10 @@ def main() -> int:
 
             # Write datapoint to Influx merging measurements
             datapoint = status.asDict() | battery.asDict()
-            datapoint.pop('port')
             write_client.write(record=dict2Point(measurement='ups', 
                                                  fields=datapoint
                                                  ))
+            LOGGER.debug(f"Influx Write: {datapoint}")
             # Sleep and repeat
             time.sleep(INTERVAL)
         except Exception as e: