A portable electronic device including a battery, a direct current (DC) power source, a first device that consumes a first amount of power during operation, a second device that consumes a second amount of power during operation, the second amount of power being more than the first amount of power, a first switch provided in a charging path between the DC power source and the battery, a second switch provided in a path for supplying power from the battery to the second device, and a charging control circuit that controls charging the battery by connecting the first switch when external power is supplied via the DC power source, and control the second switch to be connected and the first switch to be disconnected when the second device is operated during the charging.