shepherds56
Cedar City, Utah
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Joined: 06/09/2003
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I use a CPAP maching and have an inverter what size , type battery should I get?
2008 Duramax/Allison 4x4 short box
Firestone Air Bags
2006 Cherokee 28A Plus
2 Honda EU2000i's
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david_42
Oregon
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Joined: 04/08/2005
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How many watts does your CPAP draw at 120 volts?
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shepherds56
Cedar City, Utah
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It is a RESMED 100-240 V, 2.2A...~50-60HZ..going to the RESEMED site to see if I can find more info.
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bldrbuck
Boulder, Colorado
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Joined: 02/11/2001
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2.2 amps at 100 volts AC is about 25 amps DC. You will need at least 4 golf cart batteries to last the night. You will need a way to recharge. I would look for campgrounds with electric.
93 Ford F350 Turbo Diesel, DRW, Crew Cab. PullRite Hitch. 90 Nomad 28' 5er, 375 Watts Solar, 2800 Watt Yamaha Generator, 1750 Watt Inverter, 4 Trogan T105 Batteries, Spare tire and wheel and folding ladder. Me, wife and 2 spoiled Maltise furkids.
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Supercharged
Az.
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Joined: 01/01/2005
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Forget all the others, I have used one deep cell 12v boat battery with inverter for mine, it will run over 10 hours between charges and the same battery has lasted me for 3 year while on the road.
2005 Chev 5.3 Supercharged 395HP 425 T hp. Two wheels on front, 2 on back. one seat, tint windows. front and rear bumpers, headlights, windows. Door on each side. Heater, floor mats, junk behind seats, some dirt. Pulls so hard.
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w6pea
San Diego, Mexifornia
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Joined: 09/08/2006
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You can start hereYou can get a battery pack from them look up your cpap unit and put in you cm and they have a link that will tell you what battery pack to get.
In my RV I have 6 battery's I can run for almost 8 days with out recharging them. I also have a Respironics battery pack I have a Respironics M-Series Auto Bipap.
Good luck
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wny_pat
Western NYS
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shepherds56 wrote:It is a RESMED 100-240 V, 2.2A...~50-60HZ..going to the RESEMED site to see if I can find more info. Isn't it 12 volt DC also?
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Bumpyroad
Virginia
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Joined: 12/01/2005
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My CPAP machine runs on 12 volts. I'd bet yours does also. has a 120/12 volt converter block in line. humidifier won't work on 12 volts however. don't waste juice with an inverter.
bumpy
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Turbo Diesel Dude
Green Mountain, NC
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Joined: 01/10/2005
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I used a group 27 deep cycle battery with my Res Med and inverter. It ran it for 84 hours when I stopped it. Didn't use the dehumidifier, just the C-Pap. Mine is 110 only and got the 1500 watt inverter off Ebay for $75.00
charles weidman
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Totendatrailer
E. Wenatchee, WA
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Joined: 04/07/2002
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I had a 1750 watt invertor installed along with 2 6 volt batteries. I have added 2 more 6 volt batteries since then for a total of 4. I could have gotten along with alot less since the 400 watt invertor I already had would run the cpap machine but not the humidifier. I would just run an extension cord from where the invertor would plug in to the DC outlet to my cpap. I did try it and found that the dry air being forced on me wasn't that pleasent and woke with sore sinus's. Also I can use the invertor for a variety of other uses along with all the amps my batts supply. I will admit though that much of what I did I had been wanting to do anyways, now I just had a good excuse.  As others have stated you could get by with much less...
Bill & Cheryl
Gypsy, the travelin' cat (new 8/06, first trip, Glacier NP)
1997 Dodge Ram 2500, 4X2, 8.0L V10, ext. cab long bed, Powervision mirrors , RBW Hitch, Prodigy Controller.
2005 Holiday Rambler Savoy 29RKS, Honda EU2000I Generator.
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