Written By: Greg, Upstate NY 12/9/2016
I have a Dreamstation Auto CPAP with a humidifier, but not the heated hose. I purchased the 12V DC power cord to use my machine at my off-grid cabin. The cabin has a 12V wiring system running off two deep-cycle marine batteries. The 12V power cord plugs directly into the side of the CPAP without any adapters and has a round automotive-type plug on the other end. Worked on my system without issue and did not appear to significantly increase the draw/depletion of the two battery bank powering the system. Overall, I am extremely pleased and satisfied.
Written By: Outdoor User, 11/4/2016
Used for a week straight with a 115AH deep cell battery and it worked perfectly
Costly, but works
Written By: Fran, Ohio 7/2/2016
Cost more than we had figured it should, but is the ONLY option we found that contains the larger sized adapter plug for the CPAP machine. The other end clips onto a 12v battery. Even with the amount of humidity turned down, we had to use 1 large battery/CPAP machine AND re-charge them every night.