HK Express Power Bank Rules 2026
You can take up to 2 power banks of up to 100 Wh, in carry-on only. In-flight use: not allowed.
At a glance
Capacity
Up to 100 Wh (≈ 27,000 mAh)Allowed
100–160 WhWith approval
We couldn’t find this on the HK Express website; check with the airline.
Over 160 WhNot allowed
Rules
Power banks per passengerup to 2
Use and charge in flightNot allowed
Checked baggageNot allowed
What else matters
Where to keep itCarry-on only, in the Small Personal Item or on your person; stow under the seat in front or in the seat-back pocket; never in overhead compartments; never in checked baggage.
Capacity markingKeep the capacity (Wh, or mAh and V) readable on the case so staff can check it.
Over the limitIt will be taken at security: power banks may not go in checked baggage.
Codeshares and connectionsThe rules of the airline that operates the flight apply. With a connection, follow the strictest one.
SourceOfficial HK Express rule ↗ · reviewed on 16 October 2026
Questions about HK Express and power banks
How many power banks can I take on HK Express?
HK Express allows up to 2 power banks per passenger, in carry-on baggage only.
What is the HK Express power bank capacity limit?
Up to 100 Wh without asking. From 100 to 160 Wh only with the airline’s prior approval. Over 160 Wh is not accepted.
Can I use or charge a power bank on an HK Express flight?
Using it in flight: power banks may not be used to charge or power other devices during the flight.. Charging the power bank itself on board: not allowed.
Can I put a power bank in checked baggage on HK Express?
No. Power banks are spare lithium batteries and travel in the cabin only.
