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Southwest Airlines is banning portable chargers and battery banks from being stored in carry-on luggage while active.

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Portable chargers and power banks might be useful additions to your carry-on luggage, but they’re also a potential fire risk.

The series, which debuted at The smarter E 2025, features a built-in aerosol fire suppression system and IP65 certification, and it is scalable to up to 32 units in parallel.

Southwest says it will limit battery charging to devices that are easily visible, in case chargers catch fire.