Lufthansa does not allow passengers to bring their own oxygen bottle on board of the aircraft. For approval of fitness to fly and to order oxygen, contact the Lufthansa MEDICAL OPERATION CENTRE. no later than 48 hours before departure.
FAA-approved POCs are allowed on all Lufthansa aircrafts. Power outlets cannot be used for safety reasons (i.e. 150% battery capacity given the scheduled flight time are warranted). Oxygen cylinders (2 lts volume/cylinder) may be used inside Europe, with the approval of Lufthansa, they but must not be carried to the USA.
Lufthansa is only able to provide a limited extra oxygen supply on board. The system functions “on-demand”, providing flow rates from 1 to 5,2 lpm. The costs of providing this service (€150/ continental flights; €300/ intercontinental flights) need to be paid in advance. Lufthansa recommends that passengers contact their health insurance or private health care provider about the possibility of having these costs refunded.