Can electronic cigarettes be taken on airplanes?

Can electronic cigarettes be taken on airplanes?
1, can. E-cigarettes can be brought on the plane, built-in lithium battery e-cigarettes must be carried, can not be checked in. Domestic flights require that all batteries cannot be checked in. Cigarette oil is not portable and needs to be checked in. For the portable battery, there should be capacity marking, the best with a battery box.

2, electronic cigarettes can be brought on the airplane. However, passengers need to pay attention to the number of electronic cigarettes, not more than the weight of the airline's carry-on baggage items.

3.Electronic cigarettes can be brought on the airplane. E-cigarettes with batteries can only be carried on board, but cannot be checked in. Domestic flights are prohibited to check in electrical appliances with batteries. If the security check is found to have electrical appliances with batteries, it is necessary to hand over to the public security organs for processing. General electronic cigarettes can be brought on the plane as long as they can pass the security check.

4, electronic cigarettes can be on the plane, built-in lithium battery electronic cigarettes must be carried, can not be checked in. Domestic flight provisions of the battery can not be consigned. Cigarette oil is not portable, need to be all checked in. For carry-on batteries, there should be capacity marking, with a good battery box.