Normally, batteries under 100Wh (Watt-hour) can be carried on the plane during flights.
InfinityLab 5.000 power bank is 18.65Wh (Watt-hour), and the 10.000 power bank is 38.5Wh (Watt-hour), which should be allowed as a carry-on item.

We advise you to consult the flight company if you are in doubt before using it as a carry-on item.