diff --git a/app/Battery/BatteryControl.cs b/app/Battery/BatteryControl.cs
index 70bf7aa9..aab11c86 100644
--- a/app/Battery/BatteryControl.cs
+++ b/app/Battery/BatteryControl.cs
@@ -2,7 +2,7 @@
 
 namespace GHelper.Battery
 {
-    internal class BatteryControl
+    public static class BatteryControl
     {
 
         static bool _chargeFull = AppConfig.Is("charge_full");
diff --git a/app/Settings.cs b/app/Settings.cs
index 6ccca8d1..08258bcb 100644
--- a/app/Settings.cs
+++ b/app/Settings.cs
@@ -1786,7 +1786,7 @@ namespace GHelper
 
         public void VisualiseBatteryFull()
         {
-            if (AppConfig.Is("charge_full"))
+            if (BatteryControl.chargeFull)
             {
                 buttonBatteryFull.BackColor = colorStandard;
                 buttonBatteryFull.ForeColor = SystemColors.ControlLightLight;