An electronic cigarette or vaporizer may include a cartomizer having an outer cartomizer shell defining an internal cavity and a heating chamber. The internal cavity may be dimensioned to receive a removable fluid container housing a vaporizable fluid. The heating chamber may be capable of receiving the vaporizable fluid from the fluid container. The cartomizer may also include a heating element and a mouthpiece. An airflow channel may be in fluid communication with the heating chamber and the mouthpiece. Cartomizer electrical contacts may be provided on the cartomizer. Cartomizer electrical circuitry may be provided to direct an electric current between the cartomizer electrical contacts and the heating element. The vaporizer may also include a battery segment removably connectable to the cartomizer.
