Air-conditioning device configured to operate in dual mode

An air conditioner configured to operate in a dual mode, comprising:

• an outdoor unit (10) including an outdoor unit body (11) having a plurality of first outdoor unit intake holes (111) formed in left and right surface portions thereof and having a plurality of heated air discharge holes (113) formed in an upper portion of a rear surface thereof, a receiving body (13) having an open front portion, having a receiving space (131) formed therein, and having a plurality of second outdoor unit intake holes (133) formed in left and right side surface portions thereof, the receiving body (13) protruding forward from a front surface portion of the outdoor unit body (11) by a predetermined length, a compressor (12) provided in a front portion inside the outdoor unit body (11), a condenser (14) connected to the compressor (12) and provided on one side of a rear portion inside the outdoor unit body (11) while being spaced apart from the first outdoor unit intake holes (111) by a predetermined distance, an outdoor unit connector (15) protruding from a rear partition wall (132) in the receiving space (131) of the receiving body (13), and an outdoor unit blower fan (16) provided on the other side of the rear portion inside the outdoor unit body (11) while being spaced apart from the heated air discharge holes (113) by a predetermined distance;
• an indoor unit (20) including an indoor unit body (21) having an internal space of a predetermined size, having a plurality of indoor unit intake holes (211) formed in left and right side surface portions thereof, and having a cooled air discharge hole (213) formed in an upper portion of a front surface thereof, a control panel (23) provided on a lower portion of a front surface of the indoor unit body (21) or on a front central portion of an upper surface thereof, an evaporator (22) provided on one side inside the indoor unit body (21) while being spaced apart from the indoor unit intake holes (211) by a predetermined distance, an indoor unit blowing fan (24) provided on the other side inside the indoor unit body (21) to discharge cooling air through the cooled air discharge hole (213), and an indoor unit connector (25) protruding from a central portion of a rear surface of the indoor unit body (21);
• and
• a battery (30) built into a lower portion of the outdoor unit body (11),
• wherein the indoor unit (20) operates by connecting the indoor unit connector (25) to the outdoor unit connector (15) when the indoor unit body (21) is inserted through the receiving body (13) of the outdoor unit (10), and operates by connecting both ends of the connecting tube (40) to the indoor unit connector (25) and the outdoor unit connector (15), respectively, when the inserted indoor unit (20) is separated from the outdoor unit (10).