Logic® Ecig disposable electronic cigarettes provide a smokeless, tobacco-free alternative for smokers. These battery-powered devices mimic the use of a traditional cigarette and are good for up to 300 puffs (equivalent to 25-30 traditional cigarettes). The Logic® Ecig Zero features 0.10% nicotine by volume and patent-pending real cigarette sensation technology. Lithium disposable battery included. Clamshell.