BATTERY PACK AND POWER STORAGE DEVICE COMPRISING SAME

A battery pack according to an embodiment of the present disclosure includes a plurality of battery modules stacked on each other, each battery module having at least one battery cell; a control module stacked together with the plurality of battery modules for protection and power conversion of the plurality of battery modules; and a connection module configured to electrically connect the control module and the plurality of battery modules and integrally mounted to the plurality of battery modules and the control module.