Insulating partition plate assembly, battery module and battery pack

The utility model relates to the technical field of energy storage devices, and discloses an insulating partition plate assembly, a battery module and a battery pack, the insulating partition plate assembly comprises an insulating partition plate, a first adapter and a second adapter, a row of first through holes and a row of second through holes are formed in the insulating partition plate, and two rows of tabs of a plurality of naked battery cells in rows can penetrate through the first through holes and the second through holes. The relative positions of the tabs in the first column and the first adapter piece are determined, the relative positions of the tabs in the second column and the second adapter piece are determined, and the relative positions of the tabs in the first column and the first adapter piece and the relative positions of the tabs in the second column and the second adapter piece can be determined through positioning of the insulating partition plate, so that connection is facilitated; an