ELECTRONIC DEVICE AND OPERATING METHOD THEREFOR

According to example embodiments, an electronic device includes: a battery; a first circuit configured to communicate with an external power supply device; a charging circuit configured to charge the battery using the received power; a power sensor configured to measure an input current of the battery; and a processor configured to: transmit an initially requested current value to the external power supply device through the first circuit, receive a first input current value of the battery from the power sensor, transmit a first requested current value to the external power supply device through the first circuit based on a difference between the first input current value and the initially requested current value being out of a first range, receive a second input current value of the battery from the power sensor, determine whether a difference between the initially requested current value and the first requested current value is greater than a threshold based on a difference between the second input current value and the initially requested current value being out of the first range, and request the external power supply device for voltage decrease through the first circuit based on the difference between the initially requested current value and the first requested current value being greater than the threshold.