BATTERY PACK

A battery pack prevents or reduces an explosion by minimizing impact and heat transfer between a plurality of embedded battery modules. The battery pack includes a first battery module and a second battery module aligned in a first direction; a crush beam unit provided between the first battery module and the second battery module; and a housing for accommodating the first battery module, the second battery module, and the crush beam unit therein. The crush beam unit includes a first insulation pad facing the first battery module, and a second insulation pad facing the second battery module.