Abstract: A power tool includes a housing that defines a battery pack attachment portion, which has a first cavity and a flange. A printed circuit board and a motor are positioned within the housing. The motor is electrically communicates with the printed circuit board. A battery pack receptacle is positioned within the first cavity, is movably coupled to the battery pack attachment portion. The battery pack receptacle includes a groove in which the flange of the battery pack attachment portion is received and a second cavity configured to receive at least a portion of a battery pack. One of a spring or a resilient body is positioned between the battery pack attachment portion and the battery pack receptacle and is configured to bias the battery pack attachment relative to the battery pack receptacle. Power tool terminals are supported by the battery pack receptacle and electrically communicate with the printed circuit board.