HK Express power bank rules: Up to 2 power banks per person. No use on board. Power banks and spare lithium batteries must never be placed in checked baggage.
How many: Up to 2 power banks per person. In checked bags: Power banks and spare lithium batteries must never be placed in checked baggage. Using it on board: Power banks must not be used to charge devices, and must not be recharged, during the flight. Where to keep it: Keep power banks with you or in your carry-on Small Personal Item; do not store them in overhead compartments during the flight. Of the 99 airlines flying to Japan on this site, 77 say a power bank is not to be used on board. (HK Express's official pages, checked on 3 October 2026.)
HK Express power bank rules: size, number and where to keep it
- In checked bags
- Power banks and spare lithium batteries must never be placed in checked baggage
- How many
- Up to 2 power banks per person
- Using it on board
- Power banks must not be used to charge devices, and must not be recharged, during the flight
- Where to keep it
- Keep power banks with you or in your carry-on Small Personal Item; do not store them in overhead compartments during the flight
- Packing
- Insulate terminals or keep in original retail packaging to prevent short circuits
Can you use a power bank on a HK Express flight?
No. Power banks must not be used to charge devices, and must not be recharged, during the flight.
In the airline's own words
HK Express
All power banks and spare lithium batteries must be kept with you or packed inside your carry-on Small Personal Item, and must never be placed in checked baggage.
Official page
HK ExpressMax. 2 power banks per person.
Official page
Power banks on board: what the 99 airlines say
- Not to be used on board77
- Can be used on board8
- Not stated on the airline's pages14
Frequently asked questions
Can I use a power bank on a HK Express flight?
No. Power banks must not be used to charge devices, and must not be recharged, during the flight.
How many power banks can I bring on HK Express?
Up to 2 power banks per person.
Can I put a power bank in checked baggage on HK Express?
Power banks and spare lithium batteries must never be placed in checked baggage.
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