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02-12-2019, 09:09 AM #11
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Curtis, Christine, Cole, and Charlotte
2007 Chevrolet Silverado Duramax LBZ, CCLB
2020 Momentum 351M
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02-12-2019, 09:25 AM #12
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FWIW
Our 18 cubic foot refrig pulls 600 watts. If mine ever goes out I'll replace with a residential frig which only pull 120 watts. The residential run appox $1200 to $ 1500 and our norcolds are around $3200 I'm told. So I'll take the extra $2000 and add it to solar.Location - Wherever the road takes us...Full-timers
2015 Momentum 380
2019 Ram Dually
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02-12-2019, 09:32 AM #13
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- Jul 2017
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- Northern Illinois
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I know the Magnum I have can either do 30 amps with two hot legs or 50 amps with one. I added a new main panel and brought my shore power feed into that. Then I fed the inverter with a 30 amp 220 breaker in that, and put the output of the inverter into the old main panel. I then took the loads I would not run from the inverter (both AC feeds, HWH, and the fridge) and moved them to the new panel I added. This way the inverter feeds most of the things in my rig, but I am still under the 30 amps on two legs it can put out. Obviously in your case you could keep the fridge on the inverter panel.
Regarding the AC units the inverter and Battleborns will do it, but you will need a lot more batteries to get through the night. You will be using the generator for that, I am looking at the same propane Champion as you, I think it is a good fit.
As far as keeping up with the fridge while driving, you can either add the solar now, which your battery capacity combined with some solar while on the road should handle, or upgrade the charging capability of the truck. I am having the same debate but keep coming back to moving the solar up in my schedule rather than invest in upgrading the trucks wiring, since I will not need it when I do the solar eventually. I wish it was easier though, I feel like with dual 220amp alternators on the truck there is a ton of untapped power there that could be used.2018 Reflection 28BH
2019 F350 Platinum 6.7L LB 4x4
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02-13-2019, 02:04 PM #14
Howson,
I actually have (I think) the exact setup you are talking about. I have a Multiplus 12v/3000 with Progressive EMS and Victron Solar charger. My battery bank started at 412 amp hours but I have since added another 400 so i am sitting at about 775amp hours after a couple of years aging.
I can run my AC off battery alone, but I only get about an hour before the batteries his the 70% or so mark. Consumption at that high of a level really takes an effect on the batteries.
Otherwise I can run everything off batteries for a long weekend while partially shaded and with no generator usage.
Let me know what questions I can help answer. Here is a picture of my setup
Ben & Camille
2022 Ford F450 King Ranch
B&W Factory Puck 5th Wheel Hitch
2016 Reflection 303RLS 4/2015
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02-13-2019, 04:39 PM #15
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- Dec 2017
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- NW Florida
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2017 Ford F-350 DRW 6.7L Platinum
2019 315RLTS (purchased 16 Jul 18 from Campers Inn RV in Byron, GA)
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02-13-2019, 06:44 PM #16
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02-14-2019, 08:50 AM #17
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02-14-2019, 09:05 AM #18
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So Rob's question made me google a frig
https://www.bestbuy.com/site/insigni...gMkg&gclsrc=ds
So it says Average annual use 296 kilowats. Does that work out to 33.78 watts per hour?
RedLocation - Wherever the road takes us...Full-timers
2015 Momentum 380
2019 Ram Dually
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02-14-2019, 11:29 AM #19
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- Jul 2017
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- Northern Illinois
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I found a calculator online that shows it translates to 34 watts, which would be .25 amps at 120 volts. Given how low that is, I think that must be based on the average over one year. At times it is going to be higher than that (when the compressor is running for instance).
That same fridge you link shows a current draw of 1.4 amps, which would equate to 168 watts which sounds more realistic. Running that through your inverter (figuring 100% efficiency to make the math simple) would be 14 amps, or 1,680 watts. If thats all you were drawing from your batteries, and with no truck charging, you would run for about 10 hours using 75% of 200ah of batteries.Last edited by ncitro; 02-14-2019 at 11:31 AM.
2018 Reflection 28BH
2019 F350 Platinum 6.7L LB 4x4
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02-14-2019, 02:08 PM #20
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- Jun 2015
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- Mead, Colorado
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Read this thread with interest and I can verify that you can save a ton of power by going to residential fridges. I have a house boat on Lake Powell that is totally electric, no propane. We originally had two RV refers in the boat which would drain our 8 batteries in about a day. We replaced those two with one residential fridge. When the fridge comes on your can see the inverter supply 2 amps of 110v power. Our batteries can now support that fridge for over a day. My house boat is setup with Outback 5000 inverter/charger, 6000 watts of solar controlled by a Outback controller feeding 8 flooded batteries (200 amp per battery). The system runs at 48volt. Have had this running for 8 years now and it works great. I'm going to move to BattleBorn batteries next time I need a battery replacement.
Jerry & Jeanine
2016 Ram 3500 MegaCab Diesel
2014 Reflection 293RES (sold)
2020 Reflection 303RLS
2022 367BHS Reflection 5th wheel ...
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