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04-12-2022, 11:34 AM
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#1
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Junior Member
Join Date: Mar 2022
Location: Fairbury
Posts: 13
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Double Bonus
Just found out my 22 Outback 328RL comes with the Elements Climate Control Package which includes 2 Colman Mach soft start AC's. Has anyone experienced these 13,500 BTU units? Is it possible to run them (or one) using a 2400 Watt Inverter and 400 watt solar????
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04-12-2022, 11:49 AM
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#2
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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That's 20 amps. One a/c unit may trip the inverter at start up even with a soft start, running 2 is unlikely. Unless you have a lot of battery capacity it won't run very long and 400 watts of solar lwon't keep up with the demand.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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04-12-2022, 11:56 AM
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#3
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,235
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How many batteries? Type and size?
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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04-12-2022, 12:20 PM
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#4
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Junior Member
Join Date: Mar 2022
Location: Fairbury
Posts: 13
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2 - 100Ah Dragonfly LiFePO4
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04-12-2022, 04:01 PM
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#5
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,839
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With two batteries, you're looking at "maybe an hour"....
This is from the "horses mouth" on the Battle Born website:
https://battlebornbatteries.com/run-...ium-batteries/
For How Long Will A Lithium Battery Run Your RV AC Unit?
How long a lithium battery can run your AC depends on your battery or battery bank size and the size of your RV AC unit.
For example, a 100 Ah lithium battery will power a typical 15,000 BTU RV AC unit for about 30 minutes. If you’re RVing in hot weather, running your AC for 30 minutes likely won’t do much to increase your comfort. However, if you had a bank of eight 100 Ah batteries, it would run for about four hours. This may be just enough time to beat the heat in the hottest part of the day.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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04-13-2022, 06:06 AM
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#6
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Junior Member
Join Date: Mar 2022
Location: Fairbury
Posts: 13
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Looks like I'm gonna have to pull a trailer behind my camper with just batteries. At $1000 a piece probably not. Wish someone could come up with an energy efficient 12 volt AC...
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04-13-2022, 06:33 AM
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#7
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,235
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__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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04-13-2022, 06:41 AM
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#8
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Junior Member
Join Date: Mar 2022
Location: Fairbury
Posts: 13
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I'll stick with my Coleman Mach's. Just seems that everyone's trying to get to a point that they can boondock for a week with AC. Probably not a reality yet. Not without a chunk of change and a lot of mods.
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04-13-2022, 08:02 AM
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#9
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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Quote:
Originally Posted by chuckster57
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At 70 amps for roughly 6k btu youll need 5 of them to replace two 15k units and a semi truck full of batteries to supply that 350 amps @12 vdc..
Here's the thing with mechanical engineering and physics, it takes the same amount of "work" (energy) to climb a hill by going up a long gentel slope as it does to go in a direct line straight up the side. The higher the voltage a motor runs on the lower the amperage and the lower the loss of energy by thermal inefficiancies. There's a good reason that EV's aren't designed to operate on 12 vdc.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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04-13-2022, 09:39 AM
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#11
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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Quote:
Originally Posted by bobbecky
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"Swamp coolers" work ok in the desert. If much of any humidity is present it'll just add humidity and make you feel more miserable.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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04-13-2022, 11:30 AM
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#12
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Senior Member
Join Date: May 2016
Location: South Jordan, Utah
Posts: 2,221
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Quote:
Originally Posted by wevernon
I'll stick with my Coleman Mach's. Just seems that everyone's trying to get to a point that they can boondock for a week with AC. Probably not a reality yet. Not without a chunk of change and a lot of mods.
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Pretty simple for us. When it's hot we just camp where it's cooler
__________________
2017 Cougar 279RKSWE
2007.5 Dodge Ram 2500 6.7 Cummins
Retirement Training Completed
I think the little voices in my head have started a chat group.
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04-13-2022, 11:38 AM
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#13
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Junior Member
Join Date: Mar 2022
Location: Fairbury
Posts: 13
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sounds good, sucks when you have to get back Sunday so you can get to work Monday morning. Got a few years 'til retirement.
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