Can I Carry Mobile Power Bank In Flight. Power banks use lithium-ion batteries therefore you can take them on a flight in your carry-on luggage. A 10000mAh x 5V battery is 50Wh which is well within the limit.

With 18W Power Delivery it can fast charge your iPhone X up to 50 within 30 mins. Only two are permitted if between 100Wh and 160Wh. A maximum of 2 pieces are allowed.
Newer portable jump starter models can also power up your favorite mobile devices.
Also there have been times when power bank is n. For more information see the FAA guidance on portable rechargers. Portable chargers or power banks containing a lithium ion battery must be packed in carry-on bags. SuperMini is a credit card size 10000mAh portable charger which can be easily put in your pocket and extend your phone usage for 2-3 days making it the ideal travel portable charger.

