An electronic smoking device includes a liquid supply (34) and an atomizer in a housing. The liquid supply (34) includes at least two container members (34a, 34b) attachable to one another through a connection mechanism to form a liquid supply main body. Each of the container members (34a, 34b) may have an outlet (341a, 341b) sealed by a sealing member (342a, 342b) and a second end which is closed, and an aerosol channel (343a, 343b) formed between the container members.