Power banks on board: updated regulations starting 15 January 2026 - Lufthansa Group

What the official page says

Starting 15 January 2026, 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. The devices may only be stored in the seat pocket, on the passenger's person, or in their carry-on luggage under the seat. For safety reasons, transporting power banks and e-cigarettes in checked baggage or storing them in the overhead compartments is not permitted. Power banks with a capacity between 100 Wh and 160 Wh must be approved by the airline in advance. Approved medical devices are exempt from this regulation. Maximum permitted battery capacity: 100 Wh.