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Need help with CPAP for camper

_DJ_1
Explorer II
Explorer II
Fairly new to CPAP. The VA bought mine and it is strictly 110 volt. I thought no problem just get an inverter. Got a Schumacher 410 watt. Runs the CPAP OK but every time I take a breath in, the inverter runs then quits when I breathe out. The cooling fan on the inverter is noisy and very annoying since it does not run constantly.

I doubt if my VA Dr would write a prescription for a 12 volt model that I could go buy myself.

So, just wondering what others do. 12 volt machine or are there quiet inverters or put up with the noise?

Thanks.......DJ
'17 Class C 22' Conquest on Ford E 450 with V 10. 4000 Onan, Quad 6 volt AGMs, 515 watts solar.
'12 Northstar Liberty on a '16 Super Duty 6.2. Twin 6 volt AGMs with 300 watts solar.
78 REPLIES 78

GMandJM
Explorer
Explorer
Could you use a jump box similar to this?

I'm not sure how long it would last, though, especially if you use a humidifier.

Battery packs specific to CPAPs can get pretty pricey.
G-half can always find a way to do things upside-down, inside-out or backward.
It's his Super Power!

Pangaea_Ron
Explorer
Explorer
I use a 12v DC /120v AC CPAP machine. Are you using the humidifier? I don't usually use that function when on battery power.

I'm not sure why your inverter operates that way?
2008 Itasca SunCruiser 35L
2014 Honda AWD CR-V EX-L

Trails_And_Tail
Explorer
Explorer
Can you possibly trade it back to the medical supply you got it from? Mine plugs into 110 but has an inline 12v converter. So, if I don't have 110 available, I can plug into the 12v system with the same power cord I use for the TV. It's a Resperonics System One. Good Luck.
"Life has a way of giving you what you want when you help others get what they need"

2 Retired RV Newbies
Traveling with 2 Shih Tzu
1991 Ford Tioga Arrow 27'

Oasisbob
Explorer
Explorer
My wife has a C PAP and our twin deep cycles will not power it through a 400 watt inverter. I have read the humidifier part of the CPAP can beremoved to use less power. If that is the case that may help. I know many here will have a better answer
Oasis Bob
Wonderful wife 3 of 4 kids at home. 1 proudly serving in USAF
2018 Ford Explorer
2001 Bantam Trail Lite B-19

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