Provided is a dryer. The dryer includes a plurality of first electronic parts including a fan and a heater and consuming power, a first battery configured to supply power to the first electronic parts, and a first controller configured to control power of the first battery. The first controller detects a charging ratio of the first battery, enters a first power saving mode if the charging ratio is a threshold charging ratio or less, and limits power supplied to at least one of the plurality of first electronic parts in the power saving mode.
