From 2815c9abc0fd74e8da81a25068a3c960667c3431 Mon Sep 17 00:00:00 2001
From: Jonathan Bennett <jbennett@incomsystems.biz>
Date: Thu, 23 Apr 2026 21:13:23 -0500
Subject: [PATCH] Re-add isVbusIn() override (Thanks CoPilot!)

---
 src/Power.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/Power.cpp b/src/Power.cpp
index 5fe8097ec..8f957d2cb 100644
--- a/src/Power.cpp
+++ b/src/Power.cpp
@@ -1787,6 +1787,19 @@ class SerialBatteryLevel : public AnalogBatteryLevel
         return true;
     }
 
+    /**
+     * return true if there is an external power source detected
+     */
+    virtual bool isVbusIn() override
+    {
+#if defined(EXT_CHRG_DETECT)
+
+        return digitalRead(EXT_CHRG_DETECT) == EXT_CHRG_DETECT_VALUE;
+
+#endif
+        return false;
+    }
+
   private:
     SoftwareSerial BatterySerial = SoftwareSerial(SERIAL_BATTERY_RX, SERIAL_BATTERY_TX);
     uint8_t Data[6] = {0};