Did you check they actually worked and are not just for show?
Last time I came back through Gatwick loads of banks of charging points had 'not in use' signs on them
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Gentle reminder that public USB ports can be a source of danger/entry point for bad actors into your devices— you can read more
here, but the general jist is that you're better off using a plug and the power outlet than the USB one.
It's almost certainly nothing to worry about here, but something to keep in mind generally!
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True. I'm not sure my phone would even charge while turned on with that power level. But if there is an outlet I'm fine.
1 user says Thank You to Will for this post