Can you bring your vape pen or e cigarette on a plane? Airplane Carry On Luggage Rules: Everything You Can (and Can't) Bring in a Carry On Bag Small item. Big consequences. Portable lithium batteries and e cigarettes in checked baggage can pose a serious safety risk including aircraft grounding. A gentle reminder: These items are International Smoker warning over item TSA has banned from checked luggage it will only be allowed on plane if 'watt' limit followed