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Old 04-17-2016, 10:16 PM   #15
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Round Rock , Texas
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Originally Posted by dower.bill View Post
I am always grateful to those who are experienced and share their information in a positive and helpful way. I have a CPAP and am still learning how to use it while camping.

CPAP use is actually easier for me in the AS once all piped in. We run mostly on AC power... Looking into 12VDC (cigar lighter) outlet plug to RESMED... Expect it reply from RESMED soon.

Peace and Blessings..
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Old 04-18-2016, 06:25 AM   #16
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Berlin , Maryland
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I use my CPAP all the time when camping both on and off grid. I have never had a problem running it through the night. Just remember to bring your distilled water.

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Old 04-18-2016, 07:48 AM   #17
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My spouse uses a CPAP machine, it is a ResMed but I donít recall what model. We ordered the 12V converter from ResMed so the machine can plug directly into a cigarette lighter socket to eliminate the use of the inverter. I think that cost $80. My rough calculations were 2.5 amps/hour X 8 hours = 20 amps, or about 15% of battery power. That 20 amps is a pretty significant usage. With everything else we use another 20 amps a day, and we rarely get that all back from our solar panels. We do not have a generator. We can dry camp with no electric for 4 or 5 days, then we start looking for somewhere to charge the batteries.

One thing we had CanAm do is install a 12V cigarette lighter plug in the overhead near the bed in the rear. Our AS came with only one 12V plug, and that was at the front of the trailer. That would have been a very long cord.

CPAP can be used during dry camping without electric, it becomes just one more calculation in your amp requirements. I love the idea of the CPAP-specific battery pack - I did not even know they existed. I may look into that even if only for a backup. Thanks!
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Old 04-18-2016, 08:32 AM   #18
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My wife uses a CPAP. With my setup I don't have a power issue. But has anyone looked into the Transcend Mini CPAP machines. Very small and they have a battery option with a claimed 14 hour run time. If the one we have ever dies I might see if we can try a Transcend.
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Old 04-18-2016, 11:05 PM   #19
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I use a Phillips Respironics with or without the humidifier on 12 v system. It draws minimal amperage and load on the battery. Less without humidifier, as previously stated. I would caution you to buy the adaptor that is supplied by the manufacturer of your CPAP machine. You can damage your machine if you use an after market adapter. i.e. Radio Shack etc. You may want to consider a portable solar system to replenish your batteries during the day. I have a roof mounted system from AM Solar. Many threads on solar options. Hope this helps
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Old 04-18-2016, 11:27 PM   #20
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CPAP Useage

Thanks again to all for the input big load off my mind. Talking with Lincare tomorrow.


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Old 04-19-2016, 05:11 AM   #21
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Centennial , Colorado
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I use a Resmed S10 CPAP machine and bought the battery back up unit to use when boondocking. I will use it for the first time this summer and will report back on the results.
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Old 04-25-2016, 10:34 AM   #22
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Our battery packs have performed flawlessly. My husband and I have different Resmed machines, so our packs are configured slightly differently, with the appropriate converter, etc.

There are two things of which one must be mindful. First, my husband and I both have two batteries and they can take several hours to recharge if they are largely drained. Second, they don't hold a full charge for a great length of time in storage, so it's definitely important to check them before a trip.

When boondocking for more than a few days, a generator or small solar panel system would be an excellent idea. I've used CPAP machines for 20 years, and in the early days when we still camped in tents, my husband kept my CPAP machine running with a solar panel, inverter, and deep cycle RV/marine battery.

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