Great Option for 12 V to 24V converter for Resmed S9 or S10 Machines

[remstarcpap]

In building a battery backup, I found this adapter at Amazon which is great! Works well even with full humidity and heated hose. It is cheaper and smaller than the branded Resmed adapter. It is called: KFD in Car Charger DC Adapter 3 Pin Jack for 90W Resmed S9 Series Res Med IPX1 CPAP Machine S9 H5i REF 36003 369102 R360-760 DA-90A24 CPAP 36970 S9 Elite Machine S9 Escape Machines US Power Supply https://www.amazon.com/KFD-Charger-Adap ... B07P7KPW31

Here are some pics of it: https://imgur.com/a/mkERhK7

Note it is tiny, 3.5 inches long by 1.5 inches wide. Costs $33!

There is also a model for the S10 unit. https://www.amazon.com/KFD-Airsense-Air ... B07P6H994Q

https://www.amazon.com/KFD-Airsense-Air ... B07P6H994Q

[jhuckabyjr]

I ordered this item back in January to use along with a deep cycle marine battery and my Resmed Airsense 10 Autoset. It did not work for me, and I had to return it.

I spent a little extra money and bought this one, Resmed 37297 Air10 DC-DC Converter, from Amazon, and it works just fine.

[remstarcpap]

I ordered this item back in January to use along with a deep cycle marine battery and my Resmed Airsense 10 Autoset. It did not work for me, and I had to return it.

I spent a little extra money and bought this one, Resmed 37297 Air10 DC-DC Converter, from Amazon, and it works just fine.

I'm curious, what do you mean "it didn't work."?

[jhuckabyjr]

I assumed it may have been defective.

[remstarcpap]

I assumed it may have been defective.

Did it not power the unit on? Or did you unit turn off when running?

Mine worked perfectly, with no heat or humidity, as well as with full heat and humidity. But I was using the adapter made for the S9.

[palerider]

a deep cycle marine battery

*DO NOT GET A "MARINE" BATTERY.

Deep cycle, yes, "marine" no. they're a waste of money for something that isn't being pounded on the waves in a boat.

"Deep cycle" and "marine" are two different things that just coincidentally *SOMETIMES* overlap.

[chunkyfrog]

Agreed.
Deep cycle batteries are made for golf carts, wheelchairs, electric lawn mowers, etc.,
none of which are intended to work on water.

[ChicagoGranny]

*DO NOT GET A "MARINE" BATTERY.

Deep cycle batteries are made for golf carts, wheelchairs, electric lawn mowers, etc.,
none of which are intended to work on water.

[palerider]

Sometimes, I just wonder what kind of esoteric mind altering drugs Granny is partaking of.

[chunkyfrog]

Every good bar has a blender . . .