Battery module, battery pack, and method of assembling a battery pack

Abstract

The present application relates to a battery module, a battery pack and an assembling method of the battery pack, the battery module comprising a first end plate, a second end plate and a plurality of battery cells stacked between the first end plate and the second end plate, the first end plate and the second end plate are respectively provided with at least one retractable positioning pin, the retractable positioning pin is provided with a retracted position which is recessed relative to the bottom of the plurality of battery cells, and a protruding position which is protruded relative to the bottom of the plurality of battery cells and is adapted to cooperate with the shell of the battery pack. During the assembling process of the battery module, the retractable positioning pin is set in the retracted state, which facilitates the stacking and assembling of the battery cells, and then the retractable positioning pin is pushed to the protruding position, which facilitates the positioning of the battery module in the battery pack.

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