IATA permits the carriage of powerbanks with a maximum total energy output of 100 Wh in hand baggage. Up to 20 powerbanks per person may be carried, which are intended exclusively for the passenger's personal use.
Things get more complicated for powerbanks with a rated power between 100 Wh and 160 Wh: According to IATA, no more than two powerbanks per person may be taken on board, but many airlines require them to be registered in advance. Please check with your airline in advance.
Powerbanks with a rated power of more than 160 Wh are not allowed on the plane. The rated power of your powerbank should be listed on the device. Most powerbanks have a capacity of 10,000 mAh, which corresponds to a rated power of about 37 Wh.
Note: We recommend that you check thoroughly before you travel to avoid surprises at the security control and during your flight. More and more frequently, airlines are tightening their regulations to prevent powerbanks from posing a risk. Therefore, make sure above all that the rated power of your powerbank is indicated on the device, otherwise you will most likely be denied to take it with you.