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02-05-2020, 10:19 AM
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#1
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Junior Member
Join Date: Apr 2015
Location: North Bend, Washington
Trailer: 2015 21 ft
Posts: 14
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On Shore Power With No Battery
Are there any issues with leaving trailer plugged in to shore power 24/7 with out the battery in the trailer? Thank you.
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02-05-2020, 11:37 AM
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#2
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Senior Member
Join Date: Oct 2008
Location: Calgary, Alberta
Trailer: 2017 Escape 5.0 TA
Posts: 15,532
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No issue with leaving it plugged it, but why would the battery not be installed?
__________________
2017 Escape 5.0 TA
2015 Ford F150 Lariat 3.5L EcoBoost
2009 Escape 19 (previous)
“Most folks are about as happy as they make up their minds to be.” — Abraham Lincoln
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02-05-2020, 11:58 AM
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#3
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Senior Member
Join Date: Oct 2017
Location: Kelowna, British Columbia
Trailer: 2018 Escape 19
Posts: 2,716
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Both my 12 volt batteries have quick disconnect plugs so I can use them to power my trolling motors at the cabin and backup power in the winter when the power goes out at home. My trailer is plugged in and the batteries are only in the trailer for 4 month out of the year. I have not had a problem yet...
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02-05-2020, 12:03 PM
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#4
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Senior Member
Join Date: Aug 2015
Location: Benton County, Iowa
Trailer: 2013 Escape 21 Classic Number 6, pulled by 2018 Toyota Highlander
Posts: 8,235
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I’m asking here, not telling. Are there devices such as propane detectors, refrigerator ignition, thermostats etc, that depend upon 12v DC to operate? If you don’t need them when the batteries are out you’d be ok.
Iowa Dave
__________________
Ain’t no trouble jacking a double Burma Shave
Dave
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02-05-2020, 12:10 PM
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#5
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Senior Member
Join Date: Oct 2017
Location: Kelowna, British Columbia
Trailer: 2018 Escape 19
Posts: 2,716
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The power unit in the trailer supplies 12 volts to the 12 volt items...like lights etc while the batteries are not installed. Just don’t get carried away and plug in a 12 volt item that requires 10 to 20 amps to run.
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02-05-2020, 12:21 PM
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#6
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Junior Member
Join Date: Apr 2015
Location: North Bend, Washington
Trailer: 2015 21 ft
Posts: 14
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I keep batteries in the garage for winter. Easier to watch electrolyte level and put it on a prolonged charge every so often.
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02-06-2020, 12:42 AM
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#7
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Senior Member
Join Date: Dec 2012
Location: Edmonton, Alberta
Trailer: 1979 Boler B1700
Posts: 14,935
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Quote:
Originally Posted by Eggscape
The power unit in the trailer supplies 12 volts to the 12 volt items...like lights etc while the batteries are not installed.
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I agree - if there is something that needs 12 volts DC to run, it will run with the converter... so as long as the AC power is as reliable as you need those 12 V things to be, life is good.
Quote:
Originally Posted by Eggscape
The power unit in the trailer supplies 12 volts to the 12 volt items...like lights etc while the batteries are not installed. Just don’t get carried away and plug in a 12 volt item that requires 10 to 20 amps to run.
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Why not? It's a 55 amp converter.
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02-06-2020, 06:49 AM
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#8
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Senior Member
Join Date: Jul 2014
Location: Tampa Bay Area, Florida
Trailer: 2015 Escape 5.0TA (Little Elsie) Extensively Personalized
Posts: 2,960
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Quote:
Originally Posted by Brian B-P
I agree - if there is something that needs 12 volts DC to run, it will run with the converter... so as long as the AC power is as reliable as you need those 12 V things to be, life is good.
Why not? It's a 55 amp converter.
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__________________
What a long strange trip it’s been!
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02-06-2020, 08:16 AM
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#9
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Senior Member
Join Date: Mar 2013
Location: n/a, Texas
Trailer: Escape
Posts: 721
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Quote:
Originally Posted by Brian B-P
I agree - if there is something that needs 12 volts DC to run, it will run with the converter... so as long as the AC power is as reliable as you need those 12 V things to be, life is good.
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This could be demonstrated by plugging in to shore power and flipping the disconnect switch to kill the battery power.
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02-06-2020, 08:56 AM
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#10
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Senior Member
Join Date: Jun 2010
Location: Central, Pennsylvania
Trailer: Escape#5 2022 E19
Posts: 26,268
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I always thought if you have solar you need to have batteries connected. without solar, see above.....
__________________
Jim
Sometime life gets in the way of living.......
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02-06-2020, 09:10 AM
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#11
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Senior Member
Join Date: Jul 2016
Location: East Dover, Vermont
Trailer: 2014 Escape 5.0 TA!
Posts: 678
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Quote:
Originally Posted by BREWMASTER
Are there any issues with leaving trailer plugged in to shore power 24/7 with out the battery in the trailer? Thank you.
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I would think that this is ok. The only worry I would have is that the wires to the battery would be live since the converter is trying to charge them. I would flip the battery disconnect so that there is no juice going to the battery leads.
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02-18-2020, 04:57 PM
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#12
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Senior Member
Join Date: Sep 2016
Location: Redwood City, California
Trailer: 2017 Escape 19
Posts: 286
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It's probably good to have a battery in there, even if it's a small car battery or something. The converter design assumes that a battery will be there as a "buffer" to stabilize voltage. There might be enough capacitors in the converter and various devices to do the job, but it's a bit harder on the electronics. Hard to say if it's enough to matter, though clearly it's fine in the short term.
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