A power supply system comprising: a high voltage battery pack comprising a plurality of battery modules , which are electrically connected in series to form the high voltage battery pack , which is configured to output a predetermined high voltage as a sum of module voltages provided by the plurality of battery modules ; a low voltage output terminal , which is configured to output a predetermined low voltage to at least one electric load; and a voltage converter network , which is configured to electrically insulate the low voltage output terminal from the high voltage battery pack and to convert at least a part of the module voltages into the predetermined low voltage; wherein the voltage converter network comprises a plurality of voltage converters , wherein each of the plurality of voltage converters is electrically connected to at least one of the plurality of battery modules and is configured to convert the module voltage provided by the at least one of the plurality of battery modules into the predetermined low voltage and to output the predetermined low voltage as an output voltage to the low voltage output terminal ; and a controller, which is configured to control an operation of the plurality of voltage converters, wherein the controller is configured to activate or deactivate each one of the plurality of voltage converters ; characterized in that each of the at least one voltage converters comprises a measurement circuit, which is configured to measure an actual output voltage of the voltage converter , and a microcontroller, which is configured to regulate the output voltage of the voltage converter based on the measured actual output voltage. a high voltage battery pack comprising a plurality of battery modules , which are electrically connected in series to form the high voltage battery pack , which is configured to output a predetermined high voltage as a sum of module voltages provided by the plurality of battery modules ; a low voltage output terminal , which is configured to output a predetermined low voltage to at least one electric load; and a voltage converter network , which is configured to electrically insulate the low voltage output terminal from the high voltage battery pack and to convert at least a part of the module voltages into the predetermined low voltage; wherein the voltage converter network comprises a plurality of voltage converters , wherein each of the plurality of voltage converters is electrically connected to at least one of the plurality of battery modules and is configured to convert the module voltage provided by the at least one of the plurality of battery modules into the predetermined low voltage and to output the predetermined low voltage as an output voltage to the low voltage output terminal ; and a controller, which is configured to control an operation of the plurality of voltage converters, wherein the controller is configured to activate or deactivate each one of the plurality of voltage converters ; a plurality of voltage converters , wherein each of the plurality of voltage converters is electrically connected to at least one of the plurality of battery modules and is configured to convert the module voltage provided by the at least one of the plurality of battery modules into the predetermined low voltage and to output the predetermined low voltage as an output voltage to the low voltage output terminal ; and a controller, which is configured to control an operation of the plurality of voltage converters, wherein the controller is configured to activate or deactivate each one of the plurality of voltage converters ; characterized in that each of the at least one voltage converters comprises a measurement circuit, which is configured to measure an actual output voltage of the voltage converter , and a microcontroller, which is configured to regulate the output voltage of the voltage converter based on the measured actual output voltage. <EOS>