A battery package mount bracket. An illustrative embodiment of the battery package mount bracket includes a body mounted bracket having a pair of spaced-apart bracket attachment flanges and an HEV mounted bracket detachably carried by the body mounted bracket. An HEV battery package is attached to the HEV mounted bracket. The HEV mounted bracket includes a main bracket plate and a transverse flange and a side flange extending from the main bracket plate in generally perpendicular relationship with respect to each other.