FlyerTalk Forums - View Single Post - Am I allowed to bring an AGM battery on a flight for my CPAP machine?
Old Jul 22, 2018 | 9:20 pm
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Finkface
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Also this: https://www.tsa.gov/blog/2013/06/11/...ries-your-trip

Prohibited Batteries:

Car batteries, wet batteries, or spillable batteries are prohibited from both carry-on and checked baggage unless they are being used to power a scooter or wheelchair. If you need to pack a spare battery for a scooter or wheelchair, you must advise the aircraft operator so that the battery can be properly packaged for air travel.
Spare lithium batteries (both lithium metal and lithium ion/polymer) are prohibited in checked baggage.
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