I'd like to spend less than $300 for the OEM battery for the transcend micro. Any recommendations?

Will the HME on the transcend work on any mask? I normally use a Resmed Airfit P10 & a Fisher Paykel Evora full face.

Were it me, I'd bring my main machine as carry-on and also plan for other things like nasal dialators, mandibular advancement, soft cervical collars etc. to get me through. I forgot my machine once (remembered the bag!) and had to sleep one night in a chair... got maybe 2 hours crappy sleep... and ...

I can't help with the plane and using the CPAP machine, but I personally would be tempted to skip using the CPAP machine on the plane. Two nights non-use isn't going to kill you, well, me anyways. I had to DC the use of my machine for 6 weeks after ear surgery a few years ago. I lived to tell the t...

I have two 10 hour overnight flights in the next month and need CPAP on the plane. I'd love to purchase a mini travel CPAP, but just don't have the money for a machine and battery. My home machine is a Luna G3. Humidifier is not detachable. How do I fly in Main Cabin Extra on a 777-200 with this?