ResMed DC Converter 12V and 24V 90W For AirSense/AirCurve 10 CPAP Machines

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  • DC Converter
  • 12V DC Adapter Cable with Alligator Clips
  • Instructions Booklet

12V/24V to 24V DC Converter for ResMed AirSense, AirStart, AirCurve 10 CPAP and VPAP

This 90W DC Converter (12V/24V DC to 24V DC) is intended for use with ResMed's AirSense, AirStart and AirCurve 10 CPAP and BiPAP machines. This converter allows you to power your ResMed device from a vehicle cigarette lighter socket (12V or 24V DC power source) in a car, boat, or RV equipped with a suitable battery.


This 90W DC Converter is exclusively for ResMed AirStart 10, AirSense 10 and AirCurve 10 machines. Using this cord with an older model, including the S9 series, may damage your machine or the DC converter. The ResMed S9 DC/DC Converter should be used to power a S9 machine from a DC power source. 


  • Length of DC Cord: 9 feet 5 inches (approx.)
  • Length of Alligator Clips and 12V DC Adapter Cable:  2 ft
  • Fuse Rating: 20A
  • DC Power Consumption: 51 Watts; 106 Watts Peak


Is this DC converter compatible with the AirSense 10 For Her AutoSet?
Yes, this DC converter is compatible with the ResMed AirSense 10 For Her AutoSet. 

HCPCS CodeE1399
Basic Features
Warranty1 year
WeightConverter - 1.7 lbs; Converter with Alligator Clips - 2.23 lbs
Dimensions6.5 x 2.5 x 1.5 inches
Power Features
InputBattery Voltage - 12V or 24V

Questions? Ask here. We typically respond within 12-24 hours, often sooner. You'll receive email notifications once answered.
1–9 of 9 Questions
Q. Does the AirSense11 use the same type DC outlet as an AirSense10?
A. Hi there, we do not carry the Airsense 11 at this time. We are unable to confirm if the plug is the same. Please call ResMed to inquire: 1-800-424-0737.
Q. Hello, jus' to gain info, and clarify?! I've previously used a 12V deep cycle battery w/adapters made for each Responics Dream Station (T.M.) and earlier model as well, separate adaptors for each unit! Different plug-in jacks those units both were essentially (12-volts)! I'll be hopefully using my ResMed Airsense 10 AutoSet Cpap devise, in a (remote off the grid wilderness area) in mid Oct. For (2-wks abt.)! Will this device enable me to use my new Cpap w/single (12-V deep cycle battery, or (2-12 V deep cycle batteries connected in series) for 24-volts? If so what is longevity time approximately use before recharging batteries? *note: I will consider investing into (2-brand new 12-Volt deep cycle batteries) if it especially increases extends time life between recharging batteries? If single (12-V d.c.) will work ab't. how long, and no humidity will be used! Thanks, jerbob57@yahoo.com
A. Hi there,

the resmed Airsense S10auto would need the 24V battery. The 12V battery supply is only for the Respironics unit.
Q. Can this DC converter be used to charge the Medistrom Pilot-24 Lite from a 12 volt source or do I need to order Car Charger for Pilot Lite 24 #P99ACCPCC to charge the battery? Thanks
A. Hello
You would need the Medistrom car charger P99ACCPCC to charge the Pilot 24 Lite.
Thank you
Q. Can you recharge the battery thru a standard home style plug in??
A. Hi this is to be used with a car battery of some sort and cannot be used with an AC plug in to charge. Thank you
Q. I have a 350w rechargeable electric battery/ generator the maker is rocpals will this cable work well with it. It has an outlet like cigarette lighter on it
Second question is the battery is also 110v outlet also but isn't it better to use the DC adaptor Than the AC outlet I hear DC will last double the time than straight AC
Thank you so much... Mike
A. Hello Mike, Unfortunley we do not know the information about Rocpals battery. This would be a question for their company or better for resmed tech support. I can certainly assist and support you with the battery packs and ResMed DC convertors sold from out site. Resmed Tech support can be reached at 1800 424 0737.
Q. I have an Airsense 10 and I just bought an RV. Is there a DC converter 24V 90W cord?
A. Yes, Resmed does have a DC converter 24W 90W cord for the Airsense 10. It is item # 37297
Q. I have had a Resmed Airsense 10 for a few years. I recently upgraded to an Airsense 11. I left the cord in a hotel room. Can I use the cord from the Airsense 10 with my Airsense 11 CPAP?
A. I am sorry you lost your cord! We do have those in stock if you would like to order one. It is part #39205. Unfortunately, the cords for the Resmed Airsense 10 and 11 are different and cannot be used universally.
Q. Will this work whith byond resplus B-30p Bi-level pap
A. Hello, Unfortunately, no. This is only designed to work with ResMed Airsense/Airstart/Aircurve 10 devices.
Q. How many hours can I run my clap machine off my car battery?
A. Here is the User Instruction Guide. https://www.respshop.com/manuals/air10-s9-dc-converter-90w_user-guide_glo_eng.pdf?pdf=air10-s9-dc-converter-90w_user-guide_glo_eng
Showing 1 to 9 (of 9 questions)

1–5 of 5 Reviews
5 of 5 Stars!
The biggest problem with the battery pack was lack of having the owner manual link. Once I received the link it works great. The other item to realize, which might be intuitive but wasn’t to me, is you use your CPAP power cord in conjunction with the adapter to charge your battery. Loved this for RV’ng without having power.
4 years ago
5 of 5 Stars!
Steve B
Have not tried it out yet... I t certainly looks good
4 years ago
5 of 5 Stars!
Bruce B
I was wary of paying the listed price for an adapter, which I assumed would be like other ones around the house. In fact, this is a robust and hefty unit which is probably worth the money. It certainly will not fit in a purse or handbag. It is a simple matter to get a deep-cycle battery or two and a perpetual charger and have a system which will run at least all night and maybe longer. Our longest outage so far has been three days, and that is what I planned for, with two batteries. I bought a small NOCO charger from another vendor. AT ALL TIMES AVOID ACCIDENTALLY CROSSING THE BATTERY TERMINALS. This warning should be more prominent in association with this wiring set.
8 years ago
4 of 5 Stars!
Brian G
Subject: Works as expected
This product works well. It is kind of large, but it fits in the storage bag I have for a portable power source. And it is expensive compared to similar products, but I wanted to get the official ResMed converter for my machine. As for the purchase experience, I was disappointed that using the 15% off promotion canceled out the free shipping offer, and the shipping cost was about as much as the 15%. But the total was still a couple of dollars less than other websites I found.
1 month ago
3 of 5 Stars!
David D Verified Purchase
Product is solid. My only issue was that it took a very long time to show up after my credit card was charged. After a call to customer service, an injury was initiated. Seems that the item was out of stock even though the web indicated otherwise. Item arrived today. Start to finish, plus one phone call was 14 days. Overall, not as fast as I had hope for, but it did arrive. As represented. So, only 3 stars as the order process failed. To their credit, customer service did solve the problem. But only because i inquired. Charging my credit card and not shipping is not right.
4 years ago
Showing 1 to 5 (of 5 reviews)