diff --git a/csharp/Lib/Devices/Battery48TL/Battery48TlRecord.Api.cs b/csharp/Lib/Devices/Battery48TL/Battery48TlRecord.Api.cs
index 29a35e283..7a6989768 100644
--- a/csharp/Lib/Devices/Battery48TL/Battery48TlRecord.Api.cs
+++ b/csharp/Lib/Devices/Battery48TL/Battery48TlRecord.Api.cs
@@ -40,7 +40,7 @@ public partial class Battery48TlRecord
     // When The battery is full charged (reached EOC) the Time Since TOC is set to 0
     public TimeSpan TimeSinceTOC   => TimeSpan.FromMinutes(_TimeSinceToc);
 
-    public Boolean CalibrationChargeRequested => TimeSinceTOC > TimeSpan.FromDays(7);
+    public Boolean CalibrationChargeRequested => TimeSinceTOC > TimeSpan.FromDays(14);
     
     public readonly struct Leds_
     {