diff --git a/Software/src/charger.cpp b/Software/src/charger.cpp
index 54e3d22..a29bb3f 100644
--- a/Software/src/charger.cpp
+++ b/Software/src/charger.cpp
@@ -15,6 +15,7 @@ charger::charger(const struct s_charger pCharger) {
 charger::~charger() {
 }
 
+/* returns current charge-current in mA */
 double charger::getCurrent() {
 	mux.setChannel(charger_settings.chI);
 	int tmp = (int) io.readAdc(0);
@@ -22,6 +23,7 @@ double charger::getCurrent() {
 	return ret;
 }
 
+/* returns current battery voltage in V */
 double charger::getVoltage() {
 	mux.setChannel(charger_settings.chU);
 	int tmp = (int) io.readAdc(0);
@@ -29,15 +31,12 @@ double charger::getVoltage() {
 	return ret;
 }
 
+/* returns summed up charged capacity since charge start in mAh */
 double charger::getCapacity() {
 	//TODO
 	return 1.1;
 }
 
-double charger::getChargeTime() {
-	//TODO
-	return 1.1;
-}
 
 void charger::getInfo() {
 	char buffer[50];
diff --git a/Software/src/charger.h b/Software/src/charger.h
index 56b6da8..22a9fb9 100644
--- a/Software/src/charger.h
+++ b/Software/src/charger.h
@@ -28,7 +28,6 @@ public:
 	double getCurrent();
 	double getVoltage();
 	double getCapacity();
-	double getChargeTime();
 	void getInfo();
 	void setStatus(bool pBool);
 	bool getStatus();