A power source, comprising: an output for a load; the power source being configured to: provide, in a first operating state of the power source, a first voltage at the output for the load; detect a feedback from the load at the output; and provide, in a second operating state of the power source, a second voltage higher than the first voltage at the output for the load based on the detected feedback, wherein the detected feedback is a measured current when the first voltage is provided for the load, and wherein the power source is further configured to detect the feedback by: determining a pattern of the measured current that is associated with a type of the load, wherein the pattern is defined by a digital bit pattern, wherein the power source further comprises: an input configured to receive an input voltage; a voltage converter module configured to generate the first voltage based on the input voltage, a switch module comprising a switch connected between the input and the output, wherein the power source is configured to: operate the switch in a first position for providing the first voltage at the output, and operate the switch in a second position for providing the second voltage at the output, wherein the voltage converter module comprises an output, characterized in that the output of the voltage converter module is coupled to the output of the power source via a reverse power protection module, wherein the power source is configured to deactivate the voltage converter module when the second voltage is provided. an output for a load; the power source being configured to: provide, in a first operating state of the power source, a first voltage at the output for the load; detect a feedback from the load at the output; and provide, in a second operating state of the power source, a second voltage higher than the first voltage at the output for the load based on the detected feedback, wherein the detected feedback is a measured current when the first voltage is provided for the load, and provide, in a first operating state of the power source, a first voltage at the output for the load; detect a feedback from the load at the output; and provide, in a second operating state of the power source, a second voltage higher than the first voltage at the output for the load based on the detected feedback, wherein the detected feedback is a measured current when the first voltage is provided for the load, and wherein the power source is further configured to detect the feedback by: determining a pattern of the measured current that is associated with a type of the load, wherein the pattern is defined by a digital bit pattern, wherein the power source further comprises: an input configured to receive an input voltage; a voltage converter module configured to generate the first voltage based on the input voltage, a switch module comprising a switch connected between the input and the output, wherein the power source is configured to: operate the switch in a first position for providing the first voltage at the output, and operate the switch in a second position for providing the second voltage at the output, wherein the voltage converter module comprises an output, characterized in that the output of the voltage converter module is coupled to the output of the power source via a reverse power protection module, wherein the power source is configured to deactivate the voltage converter module when the second voltage is provided. determining a pattern of the measured current that is associated with a type of the load, wherein the pattern is defined by a digital bit pattern, wherein the power source further comprises: an input configured to receive an input voltage; a voltage converter module configured to generate the first voltage based on the input voltage, a switch module comprising a switch connected between the input and the output, wherein the power source is configured to: operate the switch in a first position for providing the first voltage at the output, and operate the switch in a second position for providing the second voltage at the output, wherein the voltage converter module comprises an output, characterized in that the output of the voltage converter module is coupled to the output of the power source via a reverse power protection module, wherein the power source is configured to deactivate the voltage converter module when the second voltage is provided. an input configured to receive an input voltage; a voltage converter module configured to generate the first voltage based on the input voltage, a switch module comprising a switch connected between the input and the output, wherein the power source is configured to: operate the switch in a first position for providing the first voltage at the output, and operate the switch in a second position for providing the second voltage at the output, operate the switch in a first position for providing the first voltage at the output, and operate the switch in a second position for providing the second voltage at the output, wherein the voltage converter module comprises an output, characterized in that the output of the voltage converter module is coupled to the output of the power source via a reverse power protection module, wherein the power source is configured to deactivate the voltage converter module when the second voltage is provided.