Electronic devices and batteries Lufthansa Lufthansa airlines bans use of power banks on flights, limits carry on chargers The Economic Times From today, Lufthansa are introducing strict new rules on the use of power banks and e cigarettes From today, Lufthansa are introducing strict new rules on the use of power banks and e cigarettes Lufthansa is latest to ban use of item many other airlines allow The process of cracking down on a common travel item has slowly taken off.