DC Power Converter with Cord for S9™ CPAP & VPAP Machines
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Written By: Kenneth Kalchik, Ann Arbor, MI 6/29/2017
This is the perfect solution for sleep therapy off the grid.
DC power converter
Written By: Mike, Oregon 5/8/2017
Tested out at home before my camping trip. Ran it two nights off of a gel cell 12 volt mid size battery I had purchased to run a small electric boat motor. It may run longer, I did not have any more time before the camping trip. I disconnected the humidifier section of the CPAP so it would draw less power.
Greatly improves quality
Written By: Thumper E, San Francisco Bay Area (SouthBay) 8/16/2015
My husband bought this to increase the power of my CPAP (S9) when we travel. What a BIG difference it made for us! We love it. Me because it works and works and works and him because he doesn't have to think about it at all. We both highly recommend it. P.S. I also love Direct Home Medical - their shipping is faster than the speed of light. Honestly.
genuine ResMed REF# 36970 DC/DC Converter with cigarret lighter plug and additional battery clip-on adapter
Written By: Vaughn, FALLBROOK 12/16/2014
This is the genuine ResMed REF# 36970 DC/DC Converter with cigarret lighter plug and additional battery clip-on adapter, shipped in original ResMed box, inside a second box for added shipping protection. This DC/DC Converter replaces the normal AC power brick which plugs into a normal wall AC power outlet. It is power efficient, which will allow the battery run time to be longest. (Alternatively, one could instead use an inverter plus the normal AC power brick, but an inverter plus the normal AC power brick would be less power efficient, so the battery run time would be shorter.) Great price and proper shipping.
Written By: CARL K, PRAIRIE LAKE 3/28/2014
this will be used at my cabin and also at the deer shack, both are off the grid.
12V-DC power for you S9 CPAP
Written By: Don G., Rhode Island 8/25/2013
This was just what the doctor ordered for taking my CPAC on my boat. Pun intended. The unit comes with a cigarette type connector which my boat had wired up all ready as well as an adapter to get power right from the battery lugs. I would recommend this to anyone needing to run their machine from a 12V battery. Example Boat, Camper, and Power-outages.
Functional but mis-designed
Written By: Ken, BVI 4/17/2013
This is the only dc power cord available for the ResMed S9. DirectHome service was excellent both in getting it delivered and in getting me in contact with the maker. But the maker needs to rethink their design. This is for use on a boat (or other non-AC use like a car or van) and the total cord length is only 6ft long. Unless you want to sleep at the nav station, you're going to need a dc extension cord!
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