Can you take extra batteries for your portable oxygen concentrator when you fly?

FAA guidelines state that you can bring your portable oxygen concentrator on board with you during flight. Typically, you are required enough battery life for your concentrator to last 1.5 times the duration of the flight. That means that if you need extra batteries to meet that requirement, you can bring the extra batteries needed. *Please check with your airline for specific requirements they may have.

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