Power banks have become an essential travel accessory, particularly for those travelling long journeys, but some new rules in Japan will likely see their use completely banned on flights from April.
Why? Well, fire safety reasons, that’s why. In January 2025, South Korean airline Air Busan banned power banks in overhead cabin luggage after a fire destroyed an entire plane, and Japan’s National Institute of Technology reported that accidents related to mobile batteries leapt up by 160 percent between 2020 and 2024.
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So now, according to NHK Japan, passengers travelling on domestic Japanese flights will have to abide by strict new rules on the usage of power banks, which is part of a wider change to guidelines under the Civil Aeronautics Act.
You’ll no longer be able to use them on the flight, nor carry more than two (which must not exceed 160Wh). Using onboard power outlets to charge any lithium-ion powered devices will also be banned, as will storing them in overhead cabins.
The Independent reports that the UN’s International Civil Aviation Organisation is also considering a potential rule change regarding power banks on flights, so stay tuned for more updates.
✈️ While you’re here, check out our guide on how to finally go flight-free in 2026.
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