According to an embodiment of the present disclosure, an electronic device comprise a housing including a mounting hole in which a battery module is mounted and a printed circuit board disposed adjacent to the mounting hole and electrically connected with the battery module, wherein the battery module include a battery cell having a connector projecting in a first direction, a terminal circuit including at least one connecting terminal electrically connected with the connector, a supporting case disposed at a side of the battery cell, seating the terminal circuit therein, and having an opening to expose at least part of the connecting terminal of the terminal circuit, and at least one upper film unit disposed facing a surface of the supporting case to protect the battery cell or the terminal circuit. According to the present disclosure, an electronic device including a battery module eliminates the need for an FPCB, leading to cost savings and simplified assembly.