diff --git a/workspace/TS100/Core/BSP/Miniware/Power.cpp b/workspace/TS100/Core/BSP/Miniware/Power.cpp
index 23b02783..7d3d28eb 100644
--- a/workspace/TS100/Core/BSP/Miniware/Power.cpp
+++ b/workspace/TS100/Core/BSP/Miniware/Power.cpp
@@ -34,3 +34,17 @@ uint8_t usb_pd_detect() {
 	return false;
 }
 
+bool getIsPoweredByDCIN() {
+#ifdef MODEL_TS80
+	return false;
+#endif
+
+#ifdef MODEL_TS80P
+	return false;
+#endif
+
+#ifdef MODEL_TS100
+	return true;
+#endif
+}
+
diff --git a/workspace/TS100/Core/BSP/Pine64/Model_Config.h b/workspace/TS100/Core/BSP/Pine64/Model_Config.h
index c4675a40..13846fc5 100644
--- a/workspace/TS100/Core/BSP/Pine64/Model_Config.h
+++ b/workspace/TS100/Core/BSP/Pine64/Model_Config.h
@@ -20,11 +20,11 @@
 #define POW_QC
 #define POW_DC
 #define POW_QC_20V
+#define ENABLE_QC2
 #define TEMP_TMP36
 #define ACCEL_BMA
 #define HALL_SENSOR
 #define HALL_SI7210
-
 #define BATTFILTERDEPTH 32
 #endif
 
diff --git a/workspace/TS100/Core/Src/QC3.cpp b/workspace/TS100/Core/Src/QC3.cpp
index 4eb7e1e1..719f2c72 100644
--- a/workspace/TS100/Core/Src/QC3.cpp
+++ b/workspace/TS100/Core/Src/QC3.cpp
@@ -50,7 +50,7 @@ void seekQC(int16_t Vx10, uint16_t divisor) {
 
 	if (Vx10 < 45)
 		return;
-	if (xTaskGetTickCount() < 1000)
+	if (xTaskGetTickCount() < TICKS_SECOND)
 		return;
 #ifdef POW_QC_20V
 	if (Vx10 > 200)
@@ -89,7 +89,8 @@ void seekQC(int16_t Vx10, uint16_t divisor) {
 	// Re-measure
 	/* Disabled due to nothing to test and code space of around 1k*/
 	steps = vStart - getInputVoltageX10(divisor, 1);
-	if (steps < 0) steps = -steps;
+	if (steps < 0)
+		steps = -steps;
 	if (steps > 4) {
 		// No continuous mode, so QC2
 		QCMode = 2;
@@ -111,11 +112,7 @@ void seekQC(int16_t Vx10, uint16_t divisor) {
 void startQC(uint16_t divisor) {
 	// Pre check that the input could be >5V already, and if so, dont both
 	// negotiating as someone is feeding in hv
-	uint16_t vin = getInputVoltageX10(divisor, 1);
-	if (vin > 80) {
-		QCMode = 0;	//If over 8V something else has already negotiated
-		return;
-	}
+	QCMode=0;
 	if (QCTries > 10) {
 		return;
 	}
diff --git a/workspace/TS100/Core/Threads/GUIThread.cpp b/workspace/TS100/Core/Threads/GUIThread.cpp
index daa3f51b..5af727c8 100644
--- a/workspace/TS100/Core/Threads/GUIThread.cpp
+++ b/workspace/TS100/Core/Threads/GUIThread.cpp
@@ -126,42 +126,45 @@ static bool checkVoltageForExit() {
 #endif
 static void gui_drawBatteryIcon() {
 #if defined(POW_PD) || defined(POW_QC)
-
-	// On TS80 we replace this symbol with the voltage we are operating on
-	// If <9V then show single digit, if not show duals
-	uint8_t V = getInputVoltageX10(systemSettings.voltageDiv, 0);
-	if (V % 10 >= 5)
-		V = V / 10 + 1; // round up
-	else
-		V = V / 10;
-	if (V >= 10) {
-		int16_t xPos = OLED::getCursorX();
-		OLED::setFont(1);
-		OLED::printNumber(V / 10, 1);
-		OLED::setCursor(xPos, 8);
-		OLED::printNumber(V % 10, 1);
-		OLED::setFont(0);
-		OLED::setCursor(xPos + 12, 0); // need to reset this as if we drew a wide char
-	} else {
-		OLED::printNumber(V, 1);
+	if (!getIsPoweredByDCIN()) {
+		// On TS80 we replace this symbol with the voltage we are operating on
+		// If <9V then show single digit, if not show dual small ones vertically stacked
+		uint8_t V = getInputVoltageX10(systemSettings.voltageDiv, 0);
+		if (V % 10 >= 5)
+			V = V / 10 + 1; // round up
+		else
+			V = V / 10;
+		if (V >= 10) {
+			int16_t xPos = OLED::getCursorX();
+			OLED::setFont(1);
+			OLED::printNumber(V / 10, 1);
+			OLED::setCursor(xPos, 8);
+			OLED::printNumber(V % 10, 1);
+			OLED::setFont(0);
+			OLED::setCursor(xPos + 12, 0); // need to reset this as if we drew a wide char
+		} else {
+			OLED::printNumber(V, 1);
+		}
+		return;
 	}
-#else
-	if (systemSettings.cutoutSetting) {
+#endif
+#ifdef POW_DC
+	if (systemSettings.minDCVoltageCells) {
 		// User is on a lithium battery
 		// we need to calculate which of the 10 levels they are on
-		uint8_t cellCount = systemSettings.cutoutSetting + 2;
-		uint32_t cellV =
-		getInputVoltageX10(systemSettings.voltageDiv, 0) / cellCount;
+		uint8_t cellCount = systemSettings.minDCVoltageCells + 2;
+		uint32_t cellV = getInputVoltageX10(systemSettings.voltageDiv, 0) / cellCount;
 		// Should give us approx cell voltage X10
-		// Range is 42 -> 33 = 9 steps therefore we will use battery 1-10
+		// Range is 42 -> 33 = 9 steps therefore we will use battery 0-9
 		if (cellV < 33)
-		cellV = 33;
-		cellV -= 33;// Should leave us a number of 0-9
+			cellV = 33;
+		cellV -= 33;		// Should leave us a number of 0-9
 		if (cellV > 9)
-		cellV = 9;
+			cellV = 9;
 		OLED::drawBattery(cellV + 1);
-	} else
-	OLED::drawSymbol(15); // Draw the DC Logo
+	} else {
+		OLED::drawSymbol(15); // Draw the DC Logo
+	}
 #endif
 }
 static void gui_solderingTempAdjust() {
@@ -410,6 +413,7 @@ static bool shouldBeSleeping() {
 			return true;
 		}
 	}
+
 #ifdef HALL_SENSOR
 	// If the hall effect sensor is enabled in the build, check if its over
 	// threshold, and if so then we force sleep