Jeju Air 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 recommended under the ICAO rule.
At a glance
Capacity
Up to 100 Wh (≈ 27,000 mAh)Allowed
100–160 WhWith approval
Over 160 WhNot allowed
Rules
Power banks per passengerup to 2 (ICAO rule)
We couldn’t find this on the Jeju Air website; check with the airline.
Use in flightPlease check
We couldn’t find this on the Jeju Air website; check with the airline.
Charge in flightNot allowed
Checked baggageNot allowed
What else matters
Where to keep itCarry-on only; pack each power bank separately, keep it on your person or in a visible spot; storage in overhead compartments is not allowed; cover terminals with insulating tape or use a protective pouch/plastic bag.
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 Jeju Air rule ↗ · reviewed on 16 October 2026
Questions about Jeju Air and power banks
How many power banks can I take on Jeju Air?
Jeju Air allows up to 2 power banks per passenger, in carry-on baggage only.
What is the Jeju Air 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 Jeju Air flight?
Using it in flight: page bans charging power banks in flight; it does not say whether a power bank may be used to charge a device.. Charging the power bank itself on board: not allowed.
Can I put a power bank in checked baggage on Jeju Air?
No. Power banks are spare lithium batteries and travel in the cabin only.
