Japan To Ban In-Flight Use of Power Banks
Slashdot
by BeauHDMarch 2, 2026
Japan will effectively ban the in-flight use of power banks starting in mid-April after a "recent series of alarming incidents," reports the Asahi Shimbun. From the report: Currently, mobile batteries in Japan are classified as "spare batteries" and are prohibited in checked luggage. For carry-on bags, those exceeding 160 watt-hours are banned, while passengers are limited to two units for those over 100 watt-hours. There is no quantity limit for batteries of 100 watt-hours or less. The new rule will limit passengers to a total of two spare batteries, including power banks.
While there is no limit on the number of spare batteries below 100 watt-hours, carrying power banks exceeding 160 watt-hours will remain prohibited. Power banks will be capped at two units regardless of power capacity. Additionally, charging them on board will be prohibited, and it will be "recommended" that passengers not use them at all. As a result, domestic airlines are expected to require passengers to stop using power banks, cementing the effective ban on in-flight use.
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Originally published on Slashdot on 3/2/2026