Power banks and mobile wifi can be carried on the plane, but can not be checked in luggage. Passengers carrying power banks on board should comply with the following provisions:
First, the charging bank must be carried by the passenger for personal use.
2. The power bank can only be carried in hand baggage or carry-on baggage, and is strictly prohibited in checked baggage.
3, the rated energy of the charger does not exceed 100Wh, without the approval of the airline; Rated energy exceeding 100Wh but not exceeding 160Wh can only be carried with the approval of the airline, but no more than two power banks can be carried by each passenger.
Fourth, it is strictly prohibited to carry a charging bank with rated energy exceeding 160Wh; It is strictly prohibited to carry a charging bank that does not indicate the rated energy and fails to calculate the rated energy through other parameters marked.
5. Do not use a power bank to charge electronic devices during the flight. For a power bank with a start switch, the power bank should always be turned off during flight.