An electronic device comprising: a connector comprising a first terminal to which a voltage is applied by a charger external to the electronic device and a second terminal for transmitting and receiving data; and a first charging circuit configured to charge a battery of the electronic device by using the applied voltage, wherein the first charging circuit comprises: a communication circuit configured to transmit information related to the battery through the second terminal; a voltage converter configured to convert a voltage to be supplied to the battery; and a first controller circuit configured to: continually obtain first information including a current voltage of the battery, based on the current voltage of the battery not satisfying a predetermined condition, control the voltage converter to charge the battery using a first voltage applied to the first terminal, and based on the current voltage of the battery satisfying the predetermined condition, control the communication circuit to transmit, to the charger connected with the connector, a request including the first information, for the charger to adjust a voltage to be applied to the first terminal using the first information, and based on transmitting the request to the charger, control the voltage converter to charge the battery using a second voltage applied to the first terminal, wherein the first voltage corresponds to a predetermined value, and wherein the second voltage corresponds to the current voltage of the battery and is different from the predetermined value. a connector comprising a first terminal to which a voltage is applied by a charger external to the electronic device and a second terminal for transmitting and receiving data; and a first charging circuit configured to charge a battery of the electronic device by using the applied voltage, wherein the first charging circuit comprises: a communication circuit configured to transmit information related to the battery through the second terminal; a voltage converter configured to convert a voltage to be supplied to the battery; and a first controller circuit configured to: continually obtain first information including a current voltage of the battery, based on the current voltage of the battery not satisfying a predetermined condition, control the voltage converter to charge the battery using a first voltage applied to the first terminal, and based on the current voltage of the battery satisfying the predetermined condition, control the communication circuit to transmit, to the charger connected with the connector, a request including the first information, for the charger to adjust a voltage to be applied to the first terminal using the first information, and based on transmitting the request to the charger, control the voltage converter to charge the battery using a second voltage applied to the first terminal, a communication circuit configured to transmit information related to the battery through the second terminal; a voltage converter configured to convert a voltage to be supplied to the battery; and a first controller circuit configured to: continually obtain first information including a current voltage of the battery, based on the current voltage of the battery not satisfying a predetermined condition, control the voltage converter to charge the battery using a first voltage applied to the first terminal, and based on the current voltage of the battery satisfying the predetermined condition, control the communication circuit to transmit, to the charger connected with the connector, a request including the first information, for the charger to adjust a voltage to be applied to the first terminal using the first information, and based on transmitting the request to the charger, control the voltage converter to charge the battery using a second voltage applied to the first terminal, continually obtain first information including a current voltage of the battery, based on the current voltage of the battery not satisfying a predetermined condition, control the voltage converter to charge the battery using a first voltage applied to the first terminal, and based on the current voltage of the battery satisfying the predetermined condition, control the communication circuit to transmit, to the charger connected with the connector, a request including the first information, for the charger to adjust a voltage to be applied to the first terminal using the first information, and based on transmitting the request to the charger, control the voltage converter to charge the battery using a second voltage applied to the first terminal, wherein the first voltage corresponds to a predetermined value, and wherein the second voltage corresponds to the current voltage of the battery and is different from the predetermined value.