old guy

Oregon (pronounced Or e gun)

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Joined: 03/15/2006

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I would go into the mountains with my machine and run it off my two 6 v batteries. during the day I would run my honda 2000 and recharge the batteries. may not have needed to but we did need to recharge our telescope batteries so might as well recharge everything while I was at it.
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MichDoc

Michigan

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Joined: 01/02/2006

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If you don't want to run down your house batteries, you might consider something like this: click here.
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Johno02

Lexington, TN USA

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Joined: 10/15/2004

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I run mine on 12v from a plug that I installed by the bed. Only problem, If shore power goes of during the night, Cpap keeps working, therefore I don't wake up to see if anything is wrong.
Noel and Betty Johnson
2005 GulfStream Ultra Supreme, 1 wife, 1 Poodle
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ktmrfs

Portland, Oregon

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Joined: 06/22/2005

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go here for one of, if not the best overall solution.
http://www.batterypowersolutions.net/Our_Products.shtml
C-222 battery pack and the 150W inverter. Give them a call with your CPAP model and they can give you lots of info. they have a chart showing run time for various CPAP and configurations with the batteries.
In my case, this qualified as a medical expense for my health care reimbursement account as well.
2011 Keystone Outback 295RE
2004 14' bikehauler with full living quarters
2004.5 Silverado 4x4 CC/SB Duramax/Allison
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LindsayRichards

Tavares, FL

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Joined: 01/22/2007

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I have been doing it for years with a 400 watt Wal-Mart inverter plugged into cig lighter. We have 2 AGM 110 amp hour batteries and can go several days. I just installed a boondocker 3 stage converter whcih will charge up batteries quicker too. My problem is I sometimes forget to dump the water daily and am afraid I am going to spalsh it into my Bi-Pap.
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Fishinghat

Western Washington, USA

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Joined: 10/03/2002

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Since Res-Med wanted over $400 for a battery backup for my CPAP, I built one for under $70. I bought a tractor battery from Costco and an automatic battery charger from Harbor Freight, and wired my CPAP to run from the battery 24/7. So, if the power goes out during the night in our stick house, my CPAP keeps running.
In the coach I have four 6 volt house batteries and an inverter, so power isn't an issue. If we dry camp, I just run the generator to recharge the batteries as needed.
Holiday Rambler Navigator DP, Hummer, and Honda VT1100C Shadow
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smkettner

Southern California

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Joined: 03/21/2005

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nscrfnz wrote: My husband must sleep with a CPAP machine. Is there any other way we can run this machine while dry camping other than running the generator all night? Manufacture label on machine shows DC 12V, 2.5A.
Thanks
Are you currently running it on 12v or 120v ?
What do you have for batteries?
2001 F150 SuperCrew
2006 Keystone Springdale 249FWBHLS
675 watts solar
Send a PM if I missed something
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wny_pat

Western NYS

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Joined: 08/11/2007

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My coach has two 8A8D 12 volt, 245 Ah, AGM batteries. That equals 490 Ah! I installed a 12 outlet under the bed. No problems keeping up.
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LindsayRichards

Tavares, FL

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Joined: 01/22/2007

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A plug in inverter uses an additional 5% or so extra power.
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hottubkid

SCHAUMBURG,IL

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Joined: 12/29/2004

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I have been running my ac/dc CPAP machine for years at casino's. When ran on dc the humidifier would not work. I bought a 800 watt inverter and placed it near the dual 6 volt batteries and now have run a 12 gage cord back to a duplex outlet that I installed in the bedroom. Turn on the inverter and go to sleep. I do usually recharge the batteries off either the coach or the gen durning the day
hottubkid60193@yahoo.com
2004 SOUTHWIND 36E Tow 2003 CRV
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