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Old 10-20-2020, 01:03 PM   #1
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So many different responses for batteries

This week we will be putting our MH into storage.* It will be in an unheated barn and we will not have access to it until April 1st.* I have searched the forum to see what we should be doing with the batteries.* There are so many different answers.* Some do nothing, some just disconnect, some bring home and store in a warm dry place and others bring home and have it on a slow/low charger.**

That's a lot of info but it still makes me wonder, what is the correct procedure?* We live in Illinois and it can get pretty cold here.*We have a 2000 Fleetwood Flair.
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Old 10-20-2020, 01:07 PM   #2
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Since you won't have access to the MH over the winter, I'd say remove them, bring them home and put them on a charger to maintain them over the winter. Otherwise, with access to the MH, I'd drive it for an hour or so periodically. That will exercise the MH and recharge the batteries.
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Old 10-20-2020, 01:08 PM   #3
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If you disconnect them and leave them in the M/H, they will slowly lose charge, and may be dead by April. Remove them from the rig, taking copious pictures of the wiring, take them home, store in your garage, and either leave them on a trickle charger, or once a month, hit them for a day with a charger. Make sure to check the water level before charging.
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Old 10-20-2020, 01:11 PM   #4
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I'm from Minnesota and will be parking mine outside. My batteries are coming with me and going into the basement where, if they are fully charged when I set them on a work bench, they will be getting a charge with a smart trickle charger around the New Year and again before I reinstall them. I'll be checking the voltage before each charge as well, taking note of any drop.
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Old 10-20-2020, 01:27 PM   #5
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This week we will be putting our MH into storage.* It will be in an unheated barn and we will not have access to it until April 1st.* I have searched the forum to see what we should be doing with the batteries.* There are so many different answers.* Some do nothing, some just disconnect, some bring home and store in a warm dry place and others bring home and have it on a slow/low charger.**



That's a lot of info but it still makes me wonder, what is the correct procedure?* We live in Illinois and it can get pretty cold here.*We have a 2000 Fleetwood Flair.


Since most barns have rats you might want to put stuff out for them also.
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Old 10-20-2020, 01:32 PM   #6
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There are so many different answers.* Some do nothing, some just disconnect, some bring home and store in a warm dry place and others bring home and have it on a slow/low charger.**

Flair.
The reason for different answers is that any one of several answers can work. 6 mos storage for a fully charged FLA batty is realistic IF there is no load and only self discharge involved. That means disconnecting after fully charging.
Home on a trickle charger is the best alternative IMO but it doesn't have to be warm... in fact battys self discharge less in colder Temps than warm and they will NOT freeze if fully charged.
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Old 10-20-2020, 01:35 PM   #7
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I have killed quite a few lead-acid batteries by not maintaining them correctly. You are right to think about this.

If you have few batteries that are easy to move, bring them home and put them on a Battery Tender.

If that is too much work, there are solar battery maintainers that might work for you. I am not sure I would trust the little dashboard and cigarette lighter devices. I suspect you will want something that can control the charge.
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Old 10-20-2020, 01:58 PM   #8
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This week we will be putting our MH into storage.* It will be in an unheated barn and we will not have access to it until April 1st.* I have searched the forum to see what we should be doing with the batteries.* There are so many different answers.* Some do nothing, some just disconnect, some bring home and store in a warm dry place and others bring home and have it on a slow/low charger.**

That's a lot of info but it still makes me wonder, what is the correct procedure?* We live in Illinois and it can get pretty cold here.*We have a 2000 Fleetwood Flair.
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none of the responses are wrong but after 30-seasons with lead acid batteries I have, generally, removed them and placed them on a battery-minder charger in our unheated garage. i usually got 4-5 service from them.

for the last 4-seasons we've had AGM batteries and I've just left them fully charged in the MH. these puppies are just too heavy for me to lift. no discernible damage to the batts.
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Old 10-20-2020, 02:23 PM   #9
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Many batteries self discharge at a rate of about 3% per month. So in 6 months a 18% drop, that's not too bad. Not really good for a battery to sit at less than full charge for an extended time.

As long as a lead acid battery is topped off with water and specific gravity is good, most freezing temps will not hurt it. If the water drops below the top of the plates you will have significant battery damage.

If I were you, I'd pull all the batteries, bring them home put them someplace reasonably protected and put a trickle charger on them. Check the water level and voltage once a month.

If you're going to leave them sit in the RV, I'd at least pull the ground wire off.

If you do pull the batteries take plenty of pictures, label each wire where it went and I like to cable all of the wires that go to one post as a single bundle.

Im my case both RVs sit in our driveway and plugged in all winter. The 5th wheeler only uses solar to maintain the batteries. I check water levels every month as well as other parameters.
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Old 10-21-2020, 02:30 AM   #10
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I need help!

I need a picture of the starting battery wiring hookups on a Fleetwood bounder 34 ft, ford 460. 1991-1992
It has 5 leads. The main + and - are obvious, the others?
I should have taken a picture.
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Old 10-21-2020, 11:59 AM   #11
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The reason for different answers is that any one of several answers can work. 6 mos storage for a fully charged FLA batty is realistic IF there is no load and only self discharge involved. That means disconnecting after fully charging.
Home on a trickle charger is the best alternative IMO but it doesn't have to be warm... in fact battys self discharge less in colder Temps than warm and they will NOT freeze if fully charged.
I've done that for many years without one battery failing from the practice. I always disconnect the negative cables and leave batteries in RV tray.
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Old 10-21-2020, 03:34 PM   #12
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I've done that for many years without one battery failing from the practice. I always disconnect the negative cables and leave batteries in RV tray.
Those with Magnum inverters need to be aware that mfg recommends removing Pos first and connecting last to avoid possible damage to the inverter.
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Old 10-22-2020, 01:59 PM   #13
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Thank you for all the replies, they really help. DH asked me last night if everyone is referring to the house batteries or do you also remove the engine battery? Silly question but we both looked at each other with a blank stare so I should have asked that in my original post as well
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Old 10-22-2020, 02:08 PM   #14
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Thank you for all the replies, they really help. DH asked me last night if everyone is referring to the house batteries or do you also remove the engine battery? Silly question but we both looked at each other with a blank stare so I should have asked that in my original post as well
iíve always kept the starting battery installed. so if need be i can periodically start the MH during the winter without having to lug it back and forth. our steps are controlled by the starting battery. just make sure the cells are full and the battery fully charged.
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