A battery cell module configured to be at least partially located within a housing of a battery pack. The battery cell module includes a frame. The frame includes a first frame half and a second frame half. The first frame half and the second frame half define a battery cell compartment for receiving a battery cell. The first frame half includes a first end wall and a wedge member affixed to the first end wall. The wedge member includes a first wedge portion and a second wedge portion. The first wedge portion and the second wedge portion define a post opening. The second frame half includes a second end wall and a post affixed to the second end wall at a first end of the post. The post is configured to be inserted into the post opening of the wedge member.