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Old 06-03-2019, 12:19 PM   #1
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Join Date: Apr 2018
Location: Santa Cruz, California
Trailer: 2019 Escape 19"
Posts: 6
Battery maintenance

A friend with a 19' Escape told me that rather than bring his batteries indoors, he just leaves his trailer plugged in all the time when at home. He says that provides a trickle charge to the battery and keeps it fully charged. Is this true? We live in a relatively mild climate all year round and do not need to winterize.

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Old 06-03-2019, 12:38 PM   #2
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Join Date: Oct 2008
Location: North Vancouver, British Columbia
Trailer: 2009 Escape 17B - "Toad". '08 Toyota RAV4 V6
Posts: 13,371
My trailer is plugged in at home year round, maintaining a full charge.
From Trojan battery site:
Can a flooded battery freeze?
The only way that a battery can freeze is if it is left in a state of partial or complete discharge. As the state of charge in a battery decreases, the electrolyte becomes more like water and the freezing temperature increases. The freezing temperature of the electrolyte in a fully charged battery is -92 F (-69 C). At a 40% state of charge, electrolyte will freeze if the temperature reaches approximately 16 F (-9 C).
Go here to answer all your battery questions:

2009 Escape 17B "Toad"
2008 Toyota RAV4 V6 Sport
North Vancouver, British Columbia

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Old 06-03-2019, 12:45 PM   #3
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Location: Chilliwack, British Columbia
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If you have the solar option, your batteries will remain charged. i leave my trailer plugged in during the winter for heat reasons, but in summer and springtime the solar keeps my batteries charged.
Never in doubt, often wrong.....
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Old 06-03-2019, 01:15 PM   #4
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Location: Calgary, Alberta
Trailer: 2017 Escape 5.0 TA
Posts: 13,970
I used to leave my trailer plugged in a fair bit. Charging batteries not being used every few months has worked fine too.

Now that I have solar I never plug in to charge batteries as it easily keeps the batteries full.
2017 Escape 5.0 TA
2015 Ford F150 Lariat 3.5L EcoBoost
2009 Escape 19 (previous)
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Old 06-03-2019, 05:24 PM   #5
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Join Date: Feb 2010
Location: Oswego, New York
Trailer: 2017 Escape 21, 2018 Ford F150
Posts: 3,297
My 2011 17B batteries made it through a couple of Oswego winters (weeks below freezing day & night, with dips below 0F for days at a time). The 100 watt solar panel kept the batteries charged even under the trailer cover sold at the time by Escape.

Must have worked OK - the current owners of the trailer are still going strong on the same batteries 8 years later...
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Old 06-03-2019, 06:11 PM   #6
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Location: Santa Cruz, California
Trailer: 2019 Escape 19"
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It seems clear that leaving the electricity connected does not harm the battery and keeps it charged. Thanks for your responses.
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Old 06-03-2019, 08:50 PM   #7
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Location: Benton County, Iowa
Trailer: 2013 Escape 21 Classic Number 6, pulled by 2018 Toyota Highlander
Posts: 4,045
I live where it got to -30 F last winter. I leave the trailer plugged in year round. I check the water level in the batteries when I winterize in the fall and make sure tonuse distilled water if they need any. Do the same in April as I ready the trailer for spring travel. Have done this with all types of batteries for many years. Does not shorten the life in my opinion. I have solar and some light gets in the building but to be safe, I just plug in.
Iowa Dave
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Old 06-04-2019, 05:38 AM   #8
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Location: Southwick, Massachusetts
Trailer: 5.0 TA #6, 2012 F150 EB
Posts: 5,553
Before I had a trailer with solar, and before I had electric available, I'd charge the batteries to 100%, check the fluid, then disconnect one lead. Six months later they'd still be 100%, or darn close to it. Now I leave the trailer plugged in.
Happy Motoring
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Old 06-04-2019, 08:38 AM   #9
Join Date: May 2019
Location: Las vegas, Nevada
Trailer: NA
Posts: 83
About to order.... any suggestions? Especially power related.

We're about to order a 21' Escape and we know that we are going to need a lot of power, want to boondock and work online at the same time.

I've been told about the bigger batteries. Can we get a bigger inverter?

Anything else that would be good for us? Or not so good for us?
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Old 06-04-2019, 09:49 AM   #10
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Location: Southern Alberta, Alberta
Trailer: 2015 Escape 5.0TA
Posts: 1,675
Id ask about installing four 6 volt batteries, I cant remember if ETI will do that or not, if not ask them for another battery box and and ask to purchase 2 more matching batteries and install yourself.
Have 2 solar panels installed along with a Zamp solar port and pick up a spare portable solar panel on sale sometime if needed or search for Jim Bs post and photos on his set up with four flexible panels on the roof as a option.
Ask ETI if you can supply your own inverter if they say yes then you can get what you want, if no you can add later.
If the above doesnt work you might want to look at a generator.

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