diff --git a/src/Power.cpp b/src/Power.cpp
index e9cde0eb6..b96ca2dce 100644
--- a/src/Power.cpp
+++ b/src/Power.cpp
@@ -476,7 +476,9 @@ class AnalogBatteryLevel : public HasBatteryLevel
             return (rak9154Sensor.isCharging()) ? OptTrue : OptFalse;
         }
 #endif
-#ifdef EXT_CHRG_DETECT
+#if defined(ELECROW_ThinkNode_M6)
+        return digitalRead(EXT_CHRG_DETECT) == ext_chrg_detect_value || isVbusIn();
+#elif EXT_CHRG_DETECT
         return digitalRead(EXT_CHRG_DETECT) == ext_chrg_detect_value;
 #elif defined(BATTERY_CHARGING_INV)
         return !digitalRead(BATTERY_CHARGING_INV);
diff --git a/variants/nrf52840/ELECROW-ThinkNode-M6/variant.h b/variants/nrf52840/ELECROW-ThinkNode-M6/variant.h
index 984f967d8..e46391207 100644
--- a/variants/nrf52840/ELECROW-ThinkNode-M6/variant.h
+++ b/variants/nrf52840/ELECROW-ThinkNode-M6/variant.h
@@ -134,12 +134,14 @@ static const uint8_t A0 = PIN_A0;
 #define BATTERY_SENSE_RESOLUTION_BITS 12
 #define BATTERY_SENSE_RESOLUTION 4096.0
 #undef AREF_VOLTAGE
-#define AREF_VOLTAGE 3.0
-#define VBAT_AR_INTERNAL AR_INTERNAL_3_0
+#define AREF_VOLTAGE 2.4
+#define VBAT_AR_INTERNAL AR_INTERNAL_2_4
 #define ADC_MULTIPLIER (1.75F)
 
 #define HAS_SOLAR
 
+#define OCV_ARRAY 4080, 3990, 3935, 3880, 3825, 3770, 3715, 3660, 3605, 3550, 3450
+
 #ifdef __cplusplus
 }
 #endif