A battery module, comprising: a first battery cell, the first battery cell having a first terminal portion; a second battery cell, the second battery cell having a second terminal portion; and a terminal connection member (150, 250, 350, 450) connecting the first and second terminal portions (11, 12) together, the terminal connection member (150, 250, 350, 450) including: a first contact portion (151, 251, 351, 451), the first contact portion (151, 251, 351, 451) having a first facing portion contacting the first terminal portion; a second contact portion (151, 251, 351, 451), the second contact portion (151, 251, 351, 451) having a second facing portion contacting the second terminal portion, the second facing portion being spaced apart from the first facing portion in a first direction, an outermost portion of the first contact portion (151, 251, 351, 451) being spaced apart in the first direction from an outermost portion of the second contact portion (151, 251, 351, 451) by a first distance; and a support portion (152, 252, 352, 452), the support portion (152, 252, 352, 452) extending in the first direction between the first contact portion (151, 251, 351, 451) and the second contact portion (151, 251, 351, 451) and electrically and physically connecting the first and second contact portions (151, 251, 351, 451), the support portion (152, 252, 352, 452) having an overall length in the first direction that is greater than the first distance. a first battery cell, the first battery cell having a first terminal portion; a second battery cell, the second battery cell having a second terminal portion; and a terminal connection member (150, 250, 350, 450) connecting the first and second terminal portions (11, 12) together, the terminal connection member (150, 250, 350, 450) including: a first contact portion (151, 251, 351, 451), the first contact portion (151, 251, 351, 451) having a first facing portion contacting the first terminal portion; a second contact portion (151, 251, 351, 451), the second contact portion (151, 251, 351, 451) having a second facing portion contacting the second terminal portion, the second facing portion being spaced apart from the first facing portion in a first direction, an outermost portion of the first contact portion (151, 251, 351, 451) being spaced apart in the first direction from an outermost portion of the second contact portion (151, 251, 351, 451) by a first distance; and a support portion (152, 252, 352, 452), the support portion (152, 252, 352, 452) extending in the first direction between the first contact portion (151, 251, 351, 451) and the second contact portion (151, 251, 351, 451) and electrically and physically connecting the first and second contact portions (151, 251, 351, 451), the support portion (152, 252, 352, 452) having an overall length in the first direction that is greater than the first distance. a first contact portion (151, 251, 351, 451), the first contact portion (151, 251, 351, 451) having a first facing portion contacting the first terminal portion; a second contact portion (151, 251, 351, 451), the second contact portion (151, 251, 351, 451) having a second facing portion contacting the second terminal portion, the second facing portion being spaced apart from the first facing portion in a first direction, an outermost portion of the first contact portion (151, 251, 351, 451) being spaced apart in the first direction from an outermost portion of the second contact portion (151, 251, 351, 451) by a first distance; and a support portion (152, 252, 352, 452), the support portion (152, 252, 352, 452) extending in the first direction between the first contact portion (151, 251, 351, 451) and the second contact portion (151, 251, 351, 451) and electrically and physically connecting the first and second contact portions (151, 251, 351, 451), the support portion (152, 252, 352, 452) having an overall length in the first direction that is greater than the first distance.