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TSA regulates the SIZE of the battery, not the charging mechanism.

https://www.tsa.gov/travel/security-screening/whatcanibring/...

The limit is on battery capacity at 100Wh, not charger wattage.

I would be extremely surprised if the TSA started checking the wattage on power supplies. I've never even done the separate liquids thing.

That's a good point. I've never had a bigger charger than the 97w so I've never had to think twice about it. I wonder if this will be obviously 140w, when I see bricks like that on gaming laptops they're usually meant to sit on the floor not plug into the wall directly.

Flight limit is on the battery, limiting it to 100 Wh. I have a laptop with a 230W power brick and never had any problems.