From today, Lufthansa are introducing strict new rules on the use of power banks and e cigarettes Matchboxes from Lufthansa Matches Museum Starting January 15, power banks may neither be used nor charged on board Lufthansa Group airlines flights. Each passenger may carry a maximum of two power banks in their carry on baggage. TSA Guidelines on Bringing E Cigarettes and Vapes on Planes Lufthansa Hand Luggage Guide: Sizes, Rules & Top Bag Picks