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RV Battery from Tow Vehicle 12V
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Grant177 View Drop Down
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Joined: 15 Mar 2020
Location: Edmonton, AB
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Posts: 65 		Post Options Post Options   Quote Grant177 Quote  Post ReplyReply Direct Link To This Post Topic: RV Battery from Tow Vehicle 12V
    Posted: 23 Mar 2020 at 4:59pm
Originally posted by StephenH

What CPAP machine do you have? I have the Respironics Dream Machine. It uses 12V natively. If you need one, I have a spare 12V power cord that plugs into a standard 12V power outlet. When I purchased the 12V cord for my Dream Machine, I did not realize that it was the same as the one for my prior Respironics System One machine. If it would work for your machine, cover the postage and you can have it.


Appreciate the info and offer.  I have a ResMed S9 I use for travel and I picked up a DC-DC converter for it as the factory is an AC-DC.   The DC-DC is pretty efficient, and when used with the humidifer/heated hose off, I should get some great run time according to their specifications.

Everyone...thanks so much for all the great info....I think I'll be splicing into the TV/stereo area as well which should work for me and a location to install a 12V plug etc.
Grant
2011 R-Pod 177
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mcarter View Drop Down
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Joined: 07 Apr 2016
Location: Greenbrier, TN
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Posts: 3419 		Post Options Post Options   Quote mcarter Quote  Post ReplyReply Direct Link To This Post Posted: 23 Mar 2020 at 5:25pm
Grant,

For what it's worth, you have spare 12V fuse locations. I used one of those to run a 12V wire for my lighter plug, USB charger and a digital voltmeter, that way it is on it's own circuit and fused independently from other assets. I like being able to see battery status at a glance. Just takes 2 wires to add a circuit to fuse. Add a fuse - live circuit.
Mike Carter
2015 178
" I had the right to remain silent, I just didn't have the ability."
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Grant177 View Drop Down
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Joined: 15 Mar 2020
Location: Edmonton, AB
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Posts: 65 		Post Options Post Options   Quote Grant177 Quote  Post ReplyReply Direct Link To This Post Posted: 23 Mar 2020 at 5:46pm
Thanks @mcarter

Again, more great information...once I get the trailer out of storage to somewhere I can do some work on it, it's something I will certainly consider an option.  Since the purchase, other than winterizing, I've barely had a chance to dig around...
Grant
2011 R-Pod 177
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Mooree View Drop Down
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Posts: 25 		Post Options Post Options   Quote Mooree Quote  Post ReplyReply Direct Link To This Post Posted: 04 Mar 2022 at 7:45am
My previous battery monitor decided to give up so I took a chance and bought the BMV-712 battery monitor even though it was a bit more expensive. I'm so glad I did! This unit works great, just as described. One of the features I like is the built-in Bluetooth that allows me to monitor my battery health at any time and directly from my iPhone. Besides that, the free Vitron Connect app is handy as it allows me to see what specifically is going on with my battery system.
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jato View Drop Down
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Joined: 23 Feb 2012
Location: Kewadin, MI
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Posts: 3220 		Post Options Post Options   Quote jato Quote  Post ReplyReply Direct Link To This Post Posted: 04 Mar 2022 at 8:42am
We have a similar 2011 177 that was built January 2011 and picked it up in March 2011.  Has serengeti decals (no rings).  Still have one of the original batteries that was purchased April 2011, a 12v group size 24 deep cycle Interstate.  The other one was replaced last August with a 12v Trojan T-1275.  We simply use a multitester to make sure batteries don't go below 12.2v before recharging.  Normally boondock so batteries get a lot of usage.  Also we do not utilize either solar or generator.

After 11 years the only major thing to go bust was the Dometic fridge after 9.5 years as it developed an ammonia leak.  Replaced with the same model.  All is good for now.  Been a great dependable TT.
God's pod
'11 model 177
'17 Ford F-150 4WD 3.5 Ecoboost
Jim and Diane by beautiful Torch Lake
"...and you will know the Truth and the Truth will set you free."
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