Provided is a battery module including: a battery cell assembly including at least one battery cell, and at least one cooling fin configured to contact the at least one battery cell and to be exposed on opposite side parts of the battery cell assembly and a side part perpendicular to the opposite side parts; a first end plate including at least one first insulating member mounted on an internal wall of the first end plate to contact the at least one cooing fin exposed on the opposite side parts of the battery cell assembly, and configured to support the opposite side parts of the battery cell assembly; a second end plate coupled to the first end plate to cover the battery cell assembly, and configured to support the side part of the battery cell assembly; a cooling plate arranged between the second end plate and the side part of the battery cell assembly, and configured to receive heat from the at least one cooling fin; and at least one second insulating member arranged between the cooling plate and the at least one cooling fin exposed on the side part of the battery cell assembly.