Power Bank Airport Security Australia. However each passenger is only allowed to carry no more than two power banks. If the rated power is less than 100Wh power banks can be carried without approval.

V x Ah Wh. A power bank is allowed on flight but only in a passengers hand baggage. Portable chargers or power banks containing a lithium ion battery must be packed in carry-on bags.
I have seen security take power pack from travellers bags and throw them in a box which contains hundreds of power packs.
If the rated power is less than 100Wh power banks can be carried without approval. New aviation security measures have been announced this month July 2014 regarding travelling with these devices in your carry-on baggage. Also you are only allowed to take 2 power packs on to the plane. Power banks with the power between 100Wh and 160Wh can be carried after approval of air carrier.

