Where in your bags?
Battery capacity?
Check first
On the plane
✈ Japan AirlinesCARRY-ON
Yes - but you cannot use it on board.
- Max 2 power banks, 160 Wh or less each.
- No charging the bank from seat power and no using it to charge other devices.
- Keep it with you or in the seat pocket. Avoid the overhead compartments.
- Rule from 24 Apr 2026. JAL says the 160 Wh limit may drop to 100 Wh from Jan 2027.
Official source
🌐Japan Airlines power bank rulesPower bank rules↗To be 100% sure, we always recommend confirming with the official channels.
From Japan Airlines's own published rules, checked October 2026. Rules change, so confirm with the airline before you fly.