Skymark power bank rules: Up to 2 power banks per passenger. No use on board. Must not be put in checked baggage; carry-on only.
How many: Up to 2 power banks per passenger. In checked bags: Must not be put in checked baggage; carry-on only. Using it on board: Must not charge the power bank from an aircraft power source, and must not use it to charge other devices onboard. Where to keep it: Must not be stored in the overhead bin. Of the 99 airlines flying to Japan on this site, 77 say a power bank is not to be used on board. (Skymark's official pages, checked on 3 October 2026.)
Skymark power bank rules: size, number and where to keep it
- In checked bags
- Must not be put in checked baggage; carry-on only
- Not allowed
- Rated capacity must be 160Wh or less
- How many
- Up to 2 power banks per passenger
- Using it on board
- Must not charge the power bank from an aircraft power source, and must not use it to charge other devices onboard
- Where to keep it
- Must not be stored in the overhead bin
- Packing
- Insulate the terminals with tape, use a case or pouch, and do not place multiple batteries or metal items in the same bag
- Rule in force from
- 24 April 2026 (Japan time)
Can you use a power bank on a Skymark flight?
No. Must not charge the power bank from an aircraft power source, and must not use it to charge other devices onboard.
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 Skymark flight?
No. Must not charge the power bank from an aircraft power source, and must not use it to charge other devices onboard.
How many power banks can I bring on Skymark?
Up to 2 power banks per passenger.
Can I put a power bank in checked baggage on Skymark?
Must not be put in checked baggage; carry-on only.