diff --git a/etc/dbus-serialbattery/battery.py b/etc/dbus-serialbattery/battery.py
index ae3dd2fc..af2f56ae 100644
--- a/etc/dbus-serialbattery/battery.py
+++ b/etc/dbus-serialbattery/battery.py
@@ -287,7 +287,7 @@ def manage_charge_voltage_linear(self) -> None:
         current_time = int(time())
 
         # meassurment and variation tolerance in volts
-        measurementToleranceVariation = 0.025
+        measurementToleranceVariation = 0.5
 
         try:
             # calculate battery sum and check for cell overvoltage
@@ -463,12 +463,13 @@ def manage_charge_voltage_linear(self) -> None:
             bulk_days_ago = round(
                 (current_time - self.bulk_last_reached) / 60 / 60 / 24, 2
             )
+            bulk_in_days = round(utils.BULK_AFTER_DAYS - bulk_days_ago, 2)
             self.charge_mode_debug += "\nbulk_last_reached: " + str(
                 "Never"
                 if self.bulk_last_reached == 0
                 else str(bulk_days_ago)
                 + " days ago - next in "
-                + str(utils.BULK_AFTER_DAYS - bulk_days_ago)
+                + str(bulk_in_days)
                 + "days"
             )
             # """
diff --git a/etc/dbus-serialbattery/dbushelper.py b/etc/dbus-serialbattery/dbushelper.py
index 1896bff6..a9878dec 100644
--- a/etc/dbus-serialbattery/dbushelper.py
+++ b/etc/dbus-serialbattery/dbushelper.py
@@ -506,8 +506,8 @@ def publish_dbus(self):
         self._dbusservice["/Alarms/HighVoltage"] = (
             self.battery.protection.voltage_high
             if (
-                self.bulk_requested is False
-                and self.bulk_last_reached < int(time()) - (60 * 30)
+                self.battery.bulk_requested is False
+                and self.battery.bulk_last_reached < int(time()) - (60 * 30)
             )
             else 0
         )
diff --git a/etc/dbus-serialbattery/utils.py b/etc/dbus-serialbattery/utils.py
index 744514e4..696d0028 100644
--- a/etc/dbus-serialbattery/utils.py
+++ b/etc/dbus-serialbattery/utils.py
@@ -38,7 +38,7 @@ def _get_list_from_config(
 
 
 # Constants - Need to dynamically get them in future
-DRIVER_VERSION = "1.0.20230704dev"
+DRIVER_VERSION = "1.0.20230711dev"
 zero_char = chr(48)
 degree_sign = "\N{DEGREE SIGN}"