diff --git a/inkbird/client.py b/inkbird/client.py
index 48ce208..f224f5f 100644
--- a/inkbird/client.py
+++ b/inkbird/client.py
@@ -57,11 +57,23 @@ def handleTemperature(self, data):
         for probe, t in enumerate(temp):
             self.probes[probe + 1].temperature = t
 
+    def __batteryPercentage(self, current, max):
+        factor = max / 6550.0
+        current /= factor
+        if current > const.BATTERY_CORRECTION[-1]:
+            return 100
+        if current <= const.BATTERY_CORRECTION[0]:
+            return 0
+        for idx, voltage in enumerate(const.BATTERY_CORRECTION, start=0):
+            if (current > voltage) and (current <= (const.BATTERY_CORRECTION[idx + 1])):
+                return idx + 1
+        return 100
+
     def handleBattery(self, data):
         if data[0] != 36:
             return
         battery, maxBattery = struct.unpack("<HH", data[1:5])
-        battery = int(battery / maxBattery * 100)
+        battery = self.__batteryPercentage(battery, maxBattery)
         for probe, sensor in self.probes.items():
             sensor.battery = battery
         self.battery.value = battery
diff --git a/inkbird/const.py b/inkbird/const.py
index 872ab37..428058e 100644
--- a/inkbird/const.py
+++ b/inkbird/const.py
@@ -27,3 +27,106 @@
 UNITS_F_MESSAGE = bytes([0x02, 0x01, 0x00, 0x00, 0x00, 0x00])
 UNITS_C_MESSAGE = bytes([0x02, 0x00, 0x00, 0x00, 0x00, 0x00])
 REQ_BATTERY_MESSAGE = bytes([0x08, 0x24, 0x00, 0x00, 0x00, 0x00])
+
+BATTERY_CORRECTION = [
+    5580,
+    5595,
+    5609,
+    5624,
+    5639,
+    5644,
+    5649,
+    5654,
+    5661,
+    5668,
+    5676,
+    5683,
+    5698,
+    5712,
+    5727,
+    5733,
+    5739,
+    5744,
+    5750,
+    5756,
+    5759,
+    5762,
+    5765,
+    5768,
+    5771,
+    5774,
+    5777,
+    5780,
+    5783,
+    5786,
+    5789,
+    5792,
+    5795,
+    5798,
+    5801,
+    5807,
+    5813,
+    5818,
+    5824,
+    5830,
+    5830,
+    5830,
+    5835,
+    5840,
+    5845,
+    5851,
+    5857,
+    5864,
+    5870,
+    5876,
+    5882,
+    5888,
+    5894,
+    5900,
+    5906,
+    5915,
+    5924,
+    5934,
+    5943,
+    5952,
+    5961,
+    5970,
+    5980,
+    5989,
+    5998,
+    6007,
+    6016,
+    6026,
+    6035,
+    6044,
+    6052,
+    6062,
+    6072,
+    6081,
+    6090,
+    6103,
+    6115,
+    6128,
+    6140,
+    6153,
+    6172,
+    6191,
+    6211,
+    6230,
+    6249,
+    6265,
+    6280,
+    6296,
+    6312,
+    6328,
+    6344,
+    6360,
+    6370,
+    6381,
+    6391,
+    6407,
+    6423,
+    6431,
+    6439,
+    6455,
+]