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Post by beverlycd on Feb 17, 2022 11:03:17 GMT -5
We have just purchased a Sonic 190VRB. It was advertised as being CPAP friendly, which I require for when I am sleeping, but I think that relates to the location of a place to put the machine and a power supply nearby. We are taking it out for the first time this weekend without hookups and were wondering if the battery power will be enough to run the CPAP for 7-8 hours. Thanks for any suggestions or experiences you have had in using a CPAP machine off grid. (We do have a solar panel on top, but are not sure how to utilize it yet). Thanks for any help.
Beverly
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rue
Newbie RV’er
Retired and living large!
Posts: 33
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Post by rue on Mar 2, 2022 12:27:49 GMT -5
I have not tried to use the trailer battery to run my CPAP. I bought a Jackery and a solar panel for it and that works, but it does need to be charged back up every few days. The advantage of the portable is you can move the solar panel to sunny spots that aren't always available on the trailer mounted unless you are parked away from trees and buildings. If you get the solar panel on the trailer working it should work for your CPAP, but don't use the humidifier if you can help it. That part used a lot more power.
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Post by navylcdr on Mar 3, 2022 1:24:43 GMT -5
My wife and I both have CPAP machines. Turn off the humidifier and any tube heating. I have a 12v power supply for mine, and my wife's runs off a 400 watt pure sinewave inverter. We have 2x 6-volt golf cart batteries with 220 Ah total (which is 110 Ah useable with lead acid batteries). We are at 80% battery capacity after running 2 CPAPs all night, so that means we use about 44 Ah overnight with minimal other loads (we turn the furnace down to 55 degrees and our refrigerator runs on propane).
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