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Old 11-08-2013, 05:43 PM   #1
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Hooked up to shore power for the winter

Just finished winterizing my 2014 Sunseeker. Do I stay plugged in or not?
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Old 11-08-2013, 05:57 PM   #2
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AHHHH, such a question. With a stock converter, you run the risk of overcharging the batteries and boiling out the electrolyle.

Safest thing is to pull them, take them home and put on a battery minder or equiv.

Second best is to leave them in the coach, disconnect them, and reconnect and charge them on a monthly basis.

Your choice.
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Old 11-08-2013, 06:07 PM   #3
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You will likely get many opinions on this. In theory, the converter in a Sunseeker will drop down to a trickle charger and maintain the batteries just fine all winter. Some have concerns that the converter will cook the batteries. It's not suppose to. In any case you should check the batteries occasionally.

On the other hand, I don't have electricity available where I store mine. I start the engine about once a month and the generator also and run them for about 20-30 minutes. I have had no problems. Our low temps get down into the 20s during the winter. One of the reasons I use this approach is so that the MH is always available to use if we would have a power outage from a storm.

Another option is to remove the batteries and put them on float chargers.
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Old 11-09-2013, 08:59 AM   #4
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Originally Posted by RvBill3 View Post
You will likely get many opinions on this. In theory, the converter in a Sunseeker will drop down to a trickle charger and maintain the batteries just fine all winter. Some have concerns that the converter will cook the batteries. It's not suppose to. In any case you should check the batteries occasionally.

On the other hand, I don't have electricity available where I store mine. I start the engine about once a month and the generator also and run them for about 20-30 minutes. I have had no problems. Our low temps get down into the 20s during the winter. One of the reasons I use this approach is so that the MH is always available to use if we would have a power outage from a storm.

Another option is to remove the batteries and put them on float chargers.
X2

Any modern converter with 3 stage charging should maintain the batteries just fine, without overcharging them.

Joel
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Old 11-09-2013, 09:43 AM   #5
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Just to be on the safe side, you can use a daily timer on the supply line so the coach battery gets charge for one hour every day........instead of being on all the time.
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Old 11-09-2013, 10:17 AM   #6
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Originally Posted by Great Horned Owl View Post
X2

Any modern converter with 3 stage charging should maintain the batteries just fine, without overcharging them.

Joel
Not according to the bulk of the post on this site, including my experience with the WFCO converters. I have a 2013 5er and the WFCO does overcharge by enough to reduce the water in the cells to the minimum in less than a month.

I would not take the risk, unless you check the electrolyte in the cells within the first couple of week and see what your specific converter is doing. Then you can proceed. The WFCO's maybe are just cheap enough to not be consistent with charging across the board and some may be fine, but mine is not. I only use my stock charger when I am using the trailer and turn it off at other times and use an external charger once a month or so to top it off.

IMO of course, your experience may vary!!
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Old 11-09-2013, 11:07 AM   #7
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If help to know what kind of batteries you have ? if you run Gel or AGM you should have have no worries.
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Old 11-09-2013, 11:41 AM   #8
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Originally Posted by Drap View Post
Just finished winterizing my 2014 Sunseeker. Do I stay plugged in or not?
As RVBill3 said, you will get various ways to approach this topic in this forum. So for what it's worth: You said you have the option of staying connected to shore power, my approach since I have mine stored next to the house (I am also in California so getting out and tinkering with the TT is something to do as well for me). I have solar on my TT roof and what I do is shut off the solar, throw the battery disconnect to disconnect from TT. I go out periodically and check the batteries charge and when they get to 12.4 I bring the solar online and charge them back up to 12.7 as well as check battery levels. I haven't had a TT very long (only 1 winter) but this is my plan. So I am wandering if you are in a position that you can disconnect and reconnect shore power as needed to charge the batteries once in a while.

Just another approach all those mentioned above will work just fine as well.

Enjoy
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Old 11-09-2013, 02:24 PM   #9
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Shore Power

We have a 2013 3010DS.
We store the rig outside but have shore power. I also don't trust the converter to maintain a healthy charge rate.
What I felt was the safest thing to save the batteries, was to pull them from the coach and engine compartment.
I have them connected to 3 separated Battery Tenders in my basement.
I bought a 3 pack of Battery Tender Plus from Amazon.com for only $129.00 & no shipping charge. That's like getting one free if bought individually. The Battery Tender Jr. I use for my motorcycle battery has extended the life of the battery to more than 6 years, so I figure I'll have no problem come this spring with the coach batteries.
Hope this helps.
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Old 11-09-2013, 03:25 PM   #10
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My camper is plugged in 24/7 365.


Turbs
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