Abstract: The portable charger including an air outlet duct arranged at an upper end of the heat sink inside a ceiling of an housing of the portable charger, to capture and channel an heated air inside the portable charger, a heat sink on the housing at back panel and including fins matching with the air outlet duct to receive heated air, an air intake grill in the housing facing downward when the portable charger is placed in a upright position and to receive an air from an outside of the portable charger, an air intake duct coupled to the air intake grill to channel the air to an inside of the portable charger, an intake fan coupled to the air intake duct to receive the air, an air outlet at the upper end of the heat sink and at opposite end to the intake fan may be provided.