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Old 08-12-2012, 10:15 AM   #1
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Inverters for Cpap machine

We have A 5th Wheeler and have always camped in campsites with electricity. This fall we are cping with a group and will be cping a few nights without electricity. I use a CPap machine to sleep so need electricity for it. We are thinking about a small inverter to power it. Does any one use. A C Pap. And power it with an inverter? How large an inverter and ant problems with using an inverter
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Old 08-12-2012, 11:01 AM   #2
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My husband uses a cpap machine so when we ordered our current 5th wheel, we had a 12 colt plug installed on his side of the bed. Then ordered a 12 volt cord for his machine. He has had to use it several times during power outages and it worked just fine. That way, you do not have to have all that extra equipment beside the bed.
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Old 08-12-2012, 08:01 PM   #3
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Quote:
Originally Posted by jpharley
My husband uses a cpap machine so when we ordered our current 5th wheel, we had a 12 colt plug installed on his side of the bed. Then ordered a 12 volt cord for his machine. He has had to use it several times during power outages and it worked just fine. That way, you do not have to have all that extra equipment beside the bed.
Thanks. I will check into this. Is the plug coming from the battery that is already in the 5th wheeler That powers the lights etc in the Rv? How many hrs can it power the cpap
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Old 08-12-2012, 08:20 PM   #4
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I use a cpap machine as well and I installed an inverter in my fiver the biggest thing I was told was to make sure it was a pure sine wave inverter so there would be no electrical problems. I installed a Magnum MS2812 Pure Sine Inverter with 4 - 6 volt batteries and a 125 watt solar panel (cause I said if I'm gonna install an inverter, might as well set something up that will power the whole unit) I have never had any issues with lack of power and the cpap machine runs smoothly all night.
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Old 08-12-2012, 08:59 PM   #5
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12v outlet and bipap

i use a bipap and dw a cpap shortly after i started using the bipap i got the 12v cord and tried unsuccesfuly to run it on 12v. i now use an inverter which has worked ok for me. i have run both machines 8+ hrs with no problem. and that was with batterys that are questnable at best
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Old 08-12-2012, 09:32 PM   #6
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Quote:
Originally Posted by hometool
i use a bipap and dw a cpap shortly after i started using the bipap i got the 12v cord and tried unsuccesfuly to run it on 12v. i now use an inverter which has worked ok for me. i have run both machines 8+ hrs with no problem. and that was with batterys that are questnable at best
I can believe that, my cpap uses between 0.9 amps to 2.2 amps when on AC and between 2.7 amps and 6.5 amps on DC power (100-240 watts AC, 300-720 watts DC), uses so much less when on AC
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Old 08-16-2012, 05:49 PM   #7
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cpap machines

My wife and I use Resmed BiPap machines now. In the past my wife used a Respironics while RUSTIC camping which accouts for 80% of our camping. In the past I bought a 12 volt Deep Cycle battery for he and her machine and used it with a 12volt cord for the machine and a 800 wt inverter. It would power the machine for at least 2 nights without problem. I bought a 100wt Solar panel from LOWES and during the day I would charge the battery. It worked flawlesly. Now I am also using a Bipap machine we have ordered 12 volt corda and I will add another battery and buy another Solar panel to charge the extra battery. I will also keep the inverter for a backup. Our Chevy Duramax has the capacity with both of its batteries to run a machine without the possibility not starting. I am considering buying two more of teh Solar panels to use in tandem to also charge the battery for the 5th wheel.
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Old 09-04-2012, 03:24 PM   #8
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I use a Cpap machine,I added another big.marine battery,most of my camping is without power,I use a700 watt inverter,but a300would be big enough.I run a generator a couple of hours in the evening to make sure I have enough bat power.have used it for 3 nites,but not using no other power for lites or heat.
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