JAL power bank rules: No more than 2 power banks per passenger (each 160Wh or less). No use on board. Portable chargers (power banks) cannot be checked in.
How many: No more than 2 power banks per passenger (each 160Wh or less). In checked bags: Portable chargers (power banks) cannot be checked in. Using it on board: Charging a power bank via the seat power outlet/USB, and using a power bank to charge other devices, are both prohibited onboard. Where to keep it: Do not stow power banks in the overhead compartments. Of the 99 airlines flying to Japan on this site, 77 say a power bank is not to be used on board. (JAL's official pages, checked on 3 October 2026.)
JAL power bank rules: size, number and where to keep it
- In checked bags
- Portable chargers (power banks) cannot be checked in
- Not allowed
- Electronic devices with lithium-ion batteries exceeding 160Wh are not allowed as carry-on or checked baggage
- How many
- No more than 2 power banks per passenger (each 160Wh or less)
- Using it on board
- Charging a power bank via the seat power outlet/USB, and using a power bank to charge other devices, are both prohibited onboard
- Where to keep it
- Do not stow power banks in the overhead compartments
- Packing
- Insulate the terminals or store each battery in a separate plastic bag or protective pouch
Can you use a power bank on a JAL flight?
No. Charging a power bank via the seat power outlet/USB, and using a power bank to charge other devices, are both prohibited onboard.
In the airline's own words
JAL
Portable chargers (power banks) for smartphones cannot be checked in.
Official page
JALElectronic devices with lithium-ion batteries exceeding 160Wh (transporting the batteries alone is also prohibited)
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 JAL flight?
No. Charging a power bank via the seat power outlet/USB, and using a power bank to charge other devices, are both prohibited onboard.
How many power banks can I bring on JAL?
No more than 2 power banks per passenger (each 160Wh or less).
Can I put a power bank in checked baggage on JAL?
Portable chargers (power banks) cannot be checked in.