diff --git a/Software/src/charger.cpp b/Software/src/charger.cpp
index fd35cb6..54e3d22 100644
--- a/Software/src/charger.cpp
+++ b/Software/src/charger.cpp
@@ -7,8 +7,6 @@
 
 #include "openChargeMicro.h"
 
-
-
 charger::charger(const struct s_charger pCharger) {
 	charger_settings = pCharger;
 	active = false;
diff --git a/Software/src/charger.h b/Software/src/charger.h
index 171792e..56b6da8 100644
--- a/Software/src/charger.h
+++ b/Software/src/charger.h
@@ -23,7 +23,6 @@ private:
 	bool active;
 
 public:
-
 	charger(const struct s_charger pCharger);
 	~charger();
 	double getCurrent();
diff --git a/Software/src/main.cpp b/Software/src/main.cpp
index af37acd..bc340ad 100644
--- a/Software/src/main.cpp
+++ b/Software/src/main.cpp
@@ -4,134 +4,107 @@ charger* chargers;
 
 void createChargers();
 void printStatus();
+void checkForBattery();
 
 int main(void) {
 
 	serialSetup();
-	serialSend("Hello World\r\n");
+	serialSend("Hello World - ");
+	serialSend(__DATE__ __TIME__);
+	serialSend("\r\n");
 
 	clock clk;
 	ioController io;
 
+	chargers = (charger *) malloc(CHARGER_SIZE * sizeof(charger));
+
 	io.deactivateChargers();
 	io.setActiveLED(true);
 	io.activateChargers();
 
-	//chargers[0]->getInfo();
-
-
-
-	chargers=(charger *) malloc(4*sizeof(charger));
-
-
 	createChargers();
-/*
-	chargers[0].getInfo();
-	chargers[1].getInfo();
-	chargers[2].getInfo();
-	chargers[3].getInfo();
-*/
-	printStatus();
+
+
+	//loop till power off
+	while (true) {
+
+		checkForBattery();
+		printStatus();
+	}
 
 	return 0;
 }
 
-void createChargers() {
-	/* create chargers */
+void checkForBattery() {
+	for (int l = 0; l < CHARGER_SIZE; l++) {
 
+		bool zero = false;
+		double tmp1 = 0.0;
+		double tmp2 = 0.0;
+		double difference = 5.0; //TODO after calibation
+
+		for (int i = 0; i < 10; i++) {
+			tmp2 = tmp1;
+			tmp1 = chargers[l].getVoltage();
+
+			if ((tmp1 == 0.0) || (((tmp1 - tmp2 > difference)) && i != 0)) {
+				zero = true;
+			}
+		}
+
+		if (!zero) {
+			/*
+			 char charVal[10];
+			 dtostrf(chargers[0].getVoltage(), 4, 2, charVal);
+			 serialSend("Charger01 - ");
+			 serialSend(charVal);
+			 serialSend(" Volt\r\n");
+			 */
+			chargers[l].setStatus(true);
+		} else {
+			//serialSend("blocked\r\n");
+			chargers[l].setStatus(false);
+		}
+
+	}
+
+}
+
+void createChargers() {
 	s_charger charger_settings;
 
 	charger_settings.chU = CH0_U;
 	charger_settings.chI = CH0_I;
 	charger_settings.nr = CH0_NR;
 	charger chrg0 = charger(charger_settings);
-	chrg0.setStatus(true);
 	chargers[0] = chrg0;
 
 	charger_settings.chU = CH1_U;
 	charger_settings.chI = CH1_I;
 	charger_settings.nr = CH1_NR;
 	charger chrg1 = charger(charger_settings);
-	chrg1.setStatus(true);
 	chargers[1] = chrg1;
 
 	charger_settings.chU = CH2_U;
 	charger_settings.chI = CH2_I;
 	charger_settings.nr = CH2_NR;
 	charger chrg2 = charger(charger_settings);
-	chrg2.setStatus(true);
 	chargers[2] = chrg2;
 
 	charger_settings.chU = CH3_U;
 	charger_settings.chI = CH3_I;
 	charger_settings.nr = CH3_NR;
 	charger chrg3 = charger(charger_settings);
-	chrg3.setStatus(true);
 	chargers[3] = chrg3;
-
-
-	//chargers[2]->getInfo();
-	//chargers[3]->getInfo();
-
-	/* create charger */
-
-	/*
-	 while (true) {
-	 char charVal[10];
-	 dtostrf(charger01.getVoltage(), 4, 2, charVal);
-	 serialSend("Charger01 - ");
-	 serialSend(charVal);
-	 serialSend(" Volt\r\n");
-
-	 dtostrf(charger01.getCurrent(), 4, 2, charVal);
-	 serialSend("Charger01 - ");
-	 serialSend(charVal);
-	 serialSend(" mAh\r\n");
-
-	 dtostrf(charger02.getVoltage(), 4, 2, charVal);
-	 serialSend("Charger02 - ");
-	 serialSend(charVal);
-	 serialSend(" Volt\r\n");
-	 dtostrf(charger02.getCurrent(), 4, 2, charVal);
-	 serialSend("Charger02 - ");
-	 serialSend(charVal);
-	 serialSend(" mAh\r\n");
-
-	 dtostrf(charger03.getVoltage(), 4, 2, charVal);
-	 serialSend("Charger03 - ");
-	 serialSend(charVal);
-	 serialSend(" Volt\r\n");
-	 dtostrf(charger03.getCurrent(), 4, 2, charVal);
-	 serialSend("Charger03 - ");
-	 serialSend(charVal);
-	 serialSend(" mAh\r\n");
-
-	 dtostrf(charger04.getVoltage(), 4, 2, charVal);
-	 serialSend("Charger04 - ");
-	 serialSend(charVal);
-	 serialSend(" Volt\r\n");
-
-	 dtostrf(charger04.getCurrent(), 4, 2, charVal);
-	 serialSend("Charger04 - ");
-	 serialSend(charVal);
-	 serialSend(" mAh\r\n");
-
-	 serialSend("\r\n");
-
-	 _delay_ms(1000);
-
-	 }
-	 */
 }
 
 void printStatus() {
-	serialSend("printing status .. \r\n");
+	//serialSend("printing status .. \r\n");
 	for (int i = 0; i < CHARGER_SIZE; i++) {
-		if (true) {
+		if (chargers[i].getStatus()) {
 			chargers[i].getInfo(); //print values
 		}
 	}
-
 }
 
 void serialSetup(void) {