A charging method and a charging apparatus for an electronic device are provided. The method for charging a battery of a first electronic device, includes determining whether a current supply device is connected to a second electronic device connected to the first electronic device, recognizing at least one external device connected to the second electronic device when the current supply device is connected to the second electronic device, setting a charging current based on the recognized at least one external device, and receiving the set charging current from the current supply device connected to the second electronic device and charging the battery of the first electronic device.