Carry on baggage Lufthansa Electronic devices and batteries Lufthansa British Airways Joins American Airlines, Lufthansa, Southwest Airlines, Emirates, and More in Enforcing Stricter Power Bank Rules to Ensure Flight Safety with Enhanced Lithium Ion Battery Regulations: You Need to Know Travel Review: Lufthansa from Frankfurt to Cairo in Business Flightreviews.net 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.