An electronic cigarette includes a housing having a wall defining an inner space, and an inlet and an outlet providing access to the inner space, a vaporizer to produce a vapour and being located in the inner space of the housing, an electrical power device to provide electrical power to the vaporizer and being located in the inner space of the housing. The electrical power device includes a first electrical contact member being electrically connected to one of an anode and a cathode of the electrical power device, and a second electrical contact member being electrically connected to the other of the anode and the cathode of the electrical power device. The vaporizer includes a vaporizer outer surface, a third electrical contact member located on the vaporizer outer surface, and a fourth electrical contact member located on the vaporizer outer surface.