BATTERY MODULE ASSEMBLY

A battery module assembly includes a frame, a first and a second cross-member bracket; a first battery module and a second battery module. The first and second cross-member brackets are configured on the battery frame and define first opposing slots thereon. The first battery module housing has a first plurality of battery cells therein, the first battery module housing having: a first side plate including a first cross-member integrally formed and including a first interlocking member; and a second side plate including a second interlocking member. The second battery module housing a second plurality of battery cells therein, the second battery module having: a first side plate including a second cross-member integrally formed thereon and including a first interlocking member; and a second side plate including a second interlocking member; wherein the first interlocking member of the first battery module receives the second interlocking member of the second battery module.