diff --git a/variants/t1000-e/T1000eBoard.h b/variants/t1000-e/T1000eBoard.h
index 4922360779..c600d4e166 100644
--- a/variants/t1000-e/T1000eBoard.h
+++ b/variants/t1000-e/T1000eBoard.h
@@ -11,6 +11,13 @@ class T1000eBoard : public NRF52BoardDCDC {
 public:
   T1000eBoard() : NRF52Board("T1000E_OTA") {}
   void begin();
+  bool isExternalPowered() override {
+  #ifdef CHARGER_INSERT_DETECT
+    return digitalRead(CHARGER_INSERT_DETECT) == CHARGER_INSERT_ACTIVE || NRF52Board::isExternalPowered();
+  #else
+    return NRF52Board::isExternalPowered();
+  #endif
+  }
 
   uint16_t getBattMilliVolts() override {
   #ifdef BATTERY_PIN
diff --git a/variants/t1000-e/variant.cpp b/variants/t1000-e/variant.cpp
index a598e3cad1..3559e5b419 100644
--- a/variants/t1000-e/variant.cpp
+++ b/variants/t1000-e/variant.cpp
@@ -15,7 +15,7 @@ const uint32_t g_ADigitalPinMap[PINS_COUNT + 1] =
   2,  // P0.02, AIN0 BATTERY_PIN
   3,  // P0.03
   4,  // P0.04, SENSOR_EN
-  5,  // P0.05, EXT_PWR_DETEC
+  5,  // P0.05, CHARGER_INSERT_DETECT
   6,  // P0.06, PIN_BUTTON1
   7,  // P0.07, LORA_BUSY
   8,  // P0.08, GPS_VRTC_EN
@@ -45,7 +45,7 @@ const uint32_t g_ADigitalPinMap[PINS_COUNT + 1] =
   32, // P1.00
   33, // P1.01, LORA_DIO_1
   34, // P1.02
-  35, // P1.03, EXT_CHRG_DETECT
+  35, // P1.03, CHARGER_STATE_DETECT
   36, // P1.04
   37, // P1.05, LR1110_EN
   38, // P1.06, 3V3_EN PWR TO SENSORS
@@ -69,8 +69,8 @@ void initVariant()
   pinMode(BATTERY_PIN, INPUT);
   pinMode(TEMP_SENSOR, INPUT);
   pinMode(LUX_SENSOR, INPUT);
-  pinMode(EXT_CHRG_DETECT, INPUT);
-  pinMode(EXT_PWR_DETECT, INPUT);
+  pinMode(CHARGER_STATE_DETECT, INPUT);
+  pinMode(CHARGER_INSERT_DETECT, INPUT);
   pinMode(GPS_RESETB, INPUT);
   pinMode(PIN_BUTTON1, INPUT);
 
diff --git a/variants/t1000-e/variant.h b/variants/t1000-e/variant.h
index 458f12bccb..d61b1afe04 100644
--- a/variants/t1000-e/variant.h
+++ b/variants/t1000-e/variant.h
@@ -25,8 +25,9 @@
 #define BATTERY_IMMUTABLE
 #define ADC_MULTIPLIER          (2.0F)
 
-#define EXT_CHRG_DETECT         (35)            // P1.3
-#define EXT_PWR_DETECT          (5)             // P0.5
+#define CHARGER_STATE_DETECT    (35)            // P1.3 Charger State
+#define CHARGER_INSERT_DETECT   (5)             // P0.5 Charger insert detect
+#define CHARGER_INSERT_ACTIVE   HIGH
 
 #define ADC_RESOLUTION          (14)
 #define BATTERY_SENSE_RES       (12)
@@ -133,4 +134,4 @@
 // Buzzer
 
 #define BUZZER_EN               (37)            // P1.5
-#define BUZZER_PIN              (25)            // P0.25
\ No newline at end of file
+#define BUZZER_PIN              (25)            // P0.25