Right after I submitted the order, however, I remembered that I'd meant to also buy the DC power connector for my machine. Had I had that with me when the power went out in Mehama during the storm, I could have run the CPAP off of the trailer's batteries; there are standard 12V sockets throughout the trailer. I've e-mailed their customer support to see if there's a way to piggyback the DC cord onto the existing order without paying additional shipping.
Meanwhile, time to get myself together and get up to The City with Cheryl for dinner with