Can I Pack Batteries In My Checked Luggage. Traveling with Your CPAP Machine. Yes you can bring batteries on planes although how you pack them depends on the type of batteryThe TSAs Can I Bring search tool breaks it down for you.

Whenever possible keep batteries and related equipment with you or in carry-on baggage rather than in your checked baggage. Batteries must be protected from damage and creating sparks or a dangerous evolution of heat. Smoke and fire incidents involving lithium batteries can be mitigated by the cabin crew and passengers inside the aircraft cabin.
When you are traveling with your CPAP machine you can choose to put your machine in your checked baggage or you can carry it on to the plane.
Following an incident on a Malindo Air flight from Kota Kinabalu to Kuala Lumpur in October 2015 most airlines have restricted carriage of electronic cigarettes. Keeping items in Ziploc type bags keeps them from being contaminated by handling by TSA screeners. Whenever possible keep batteries and related equipment with you or in carry-on baggage rather than in your checked baggage. But spare batteries are not permitted in checked bags and must go in your hand luggage.
