Battery module and battery pack including same

Disclosed herein are a battery module and a battery pack including the same, the battery module including: a plurality of battery cells stacked on each other in a first direction and forming a stacked structure, a pair of end plates, and a pair of busbar assemblies; the pair of end plates are in surface contact with the first end and the second end of the laminated structure in the first direction; the pair of busbar assemblies are arranged at the first end and the second end of the stacked structure in the second direction, the second direction is perpendicular to the first direction, and each busbar assembly in the pair of busbar assemblies comprises a busbar, a circuit board and a connector, and a bus bar assembly including a bus bar configured to mutually join electrodes of a plurality of battery cells located at a first end and a second end of the stacked structure in a second direction, forming an electrical connection with the bus bar on the circuit board, and a connector mounted on the circuit board a