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09-05-2019, 04:31 PM
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#1
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Senior Member
Join Date: Jul 2011
Location: Ottawa, Ontario
Posts: 456
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Winter Batteries
Do you remove your batteries when you winterize? Nightmare trying to remember how to wire up in the spring, haha
Last winter, I left in and plugged in my motorhome in every 2 to 3 week cycles. Just leaving plugged in all winter could damage the batteries or cause overcharging risk.
What do you do?
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2016 Thor Outlaw 37LS
2016 Yamaha WR250R
2020 Jeep Rubicon
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09-05-2019, 04:49 PM
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#2
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Senior Member
Join Date: Jun 2006
Location: Dallas,OR
Posts: 4,584
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If you have access to 120VAC simply leave it plugged in. Check the batteries monthly add water as necessary. In 35 years RVing oir RVs were always plugged in at home between trips. Never had a problem.
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Don and Lorri
Resident Dummy.
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09-05-2019, 05:00 PM
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#3
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Senior Member
Join Date: Jul 2014
Posts: 35,419
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You can store it like millions of boats in winter.
Remove the negetive battery cable from each battery and just make sure they are not touching the battery post.
You can store charged batteries like that for up to 6 months or more.
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09-05-2019, 05:24 PM
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#4
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Aug 2002
Location: Clovis, CA, USA
Posts: 13,138
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Take a picture of the batteries with your cellphone before you disconnect them. Pretty easy to hook back up then.
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2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS
Criticism is easier than Craftsmanship
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09-05-2019, 05:30 PM
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#5
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Senior Member
Join Date: Feb 2010
Location: Delson, Québec
Posts: 132
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Quote:
Originally Posted by Online_17
Do you remove your batteries when you winterize? Nightmare trying to remember how to wire up in the spring, haha
Last winter, I left in and plugged in my motorhome in every 2 to 3 week cycles. Just leaving plugged in all winter could damage the batteries or cause overcharging risk.
What do you do?
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No need to remove them, just make sure that they are fully charged before disconnecting your batteries from the motorhome by using both "cut-off" switches situated usually in the staircase of gas motorhome; if you don't have those switches, I doute it, just disconnect the negative post of your chassis battery and the same on one of your coach battery.
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2010 Gulfstream Independance 38'
2009 Smart fortwo cabriolet convertible
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09-05-2019, 06:57 PM
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#6
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,903
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Quote:
Originally Posted by legrandnorm
No need to remove them, just make sure that they are fully charged before disconnecting your batteries from the motorhome by using both "cut-off" switches situated usually in the staircase of gas motorhome; if you don't have those switches, I doute it, just disconnect the negative post of your chassis battery and the same on one of your coach battery.
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Most often the battery disconnect switch does not disconnect the LP detector, and fire/smoke alarms if hard-wired. It's best to simply remove the negative cable from the battery after it is fully-charged.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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09-05-2019, 07:02 PM
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#7
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Senior Member
Join Date: Feb 2010
Location: Delson, Québec
Posts: 132
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Quote:
Originally Posted by Ray,IN
Most often the battery disconnect switch does not disconnect the LP detector, and fire/smoke alarms if hard-wired. It's best to simply remove the negative cable from the battery after it is fully-charged.
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In my mh, all accessories are disconnected except the smoke detector which is on a 9 VOLTS battery; btw, I change my smoke detector batteries every spring, in the house and in the mh.
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2010 Gulfstream Independance 38'
2009 Smart fortwo cabriolet convertible
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09-05-2019, 07:02 PM
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#8
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Senior Member
Join Date: Jun 2016
Posts: 183
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Just remove the negative!
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09-05-2019, 07:04 PM
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#9
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Registered User
Join Date: Oct 2016
Posts: 2,078
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Quote:
Originally Posted by twinboat
You can store it like millions of boats in winter.
Remove the negetive battery cable from each battery and just make sure they are not touching the battery post.
You can store charged batteries like that for up to 6 months or more.
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Did the same with farm and ranch equipment with multiple batteries
If you have a week battery spring is a great time to find out, not on the road
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09-05-2019, 07:13 PM
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#10
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Senior Member
Join Date: Aug 2017
Posts: 2,102
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I make sure they are fully charged , then disconnect them.They survive the Northern Ontario Canada winters just fine. My AGM house batteries are now 11 yrs old and working good. They sat disconnected for 9 months and the voltage still measured 12.7 volts .
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1993 Tiffin Allegro Bay 32'
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09-06-2019, 11:06 AM
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#11
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,678
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With the modern charger in his 2016 Thor, there should be no problem leaving it plugged in all winter. Especially if AGM batteries. If flooded cell type, make sure the electrolyte in the cells is up to snuff before storing.
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Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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09-06-2019, 01:02 PM
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#12
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Senior Member
Join Date: Jul 2011
Location: Ottawa, Ontario
Posts: 456
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This is what I thought but was plugging in for 2 weeks and then unplugging for 2 weeks just to be extra careful....and didnt think having the converter on 24/7 was a good idea after months of sub zero temps...
Quote:
Originally Posted by Gary RVRoamer
With the modern charger in his 2016 Thor, there should be no problem leaving it plugged in all winter. Especially if AGM batteries. If flooded cell type, make sure the electrolyte in the cells is up to snuff before storing.
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2016 Thor Outlaw 37LS
2016 Yamaha WR250R
2020 Jeep Rubicon
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09-06-2019, 09:43 PM
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#13
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Senior Member
Join Date: Jan 2009
Posts: 5,383
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Quote:
Originally Posted by Online_17
This is what I thought but was plugging in for 2 weeks and then unplugging for 2 weeks just to be extra careful....and didnt think having the converter on 24/7 was a good idea after months of sub zero temps...
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I put a timer on ours which I've set to power up the motorhome once a week for 12 hours. This was mainly to keep the chassis battery up since it looses charge after about 2 weeks when disconnected from power. This setup also makes for less maintenance of the batteries, less wear and tear on the converter/charger, and most likely gets us a slightly lower electric bill.
Our motorhome sits stored behind the house much more than it is used so this has worked out really well. The house batteries are a few years old and the chassis battery is from 2013. All are in great shape!
Disconnecting the batteries completely works ok too but it was more of a pain.
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03 Itasca Sunova, Workhorse P32 with the 8.1 and 4L85-E
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09-07-2019, 06:58 AM
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#14
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Junior Member
Join Date: Sep 2019
Location: Ware, MA
Posts: 25
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Quote:
Originally Posted by twinboat
You can store it like millions of boats in winter.
Remove the negetive battery cable from each battery and just make sure they are not touching the battery post.
You can store charged batteries like that for up to 6 months or more.
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I am still just looking for a motorhome, but I've owned cabin cruisers for over 35 years and never removed the batteries in the winter (New England) Just make sure the bateries are fully charged and disconnect the negitive cable.
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