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Old 11-10-2018, 08:38 AM   #1
2 Rivet Member
 
2019 30' Flying Cloud
Onekama , Michigan
Join Date: Apr 2018
Posts: 80
Winter Battery Charging

I'm a new owner with my 30 FC twin located in southeast Michigan, north of Detroit. I won't retire until 12/31 and hoping for a maiden voyage south in January.
I'm loading up the unit in evenings and on weekends hooked to a generator so that I can run the furnace.
I would like to take the batteries out, putting them in a 65 degree room with nice trickle chargers that will go to float mode. Have those already.
Trailer is too far from electric source to leave the batteries in and put the chargers on the trailers, but could manage to do that if absolutely necessary.
Can I run the generators for furnace and lights when working in the unit on evenings and weekends if I have taken the batteries out of the trailer?
If yes, what's the best process to be sure I am not damaging converter, inverter or anything else?
Bick
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Old 11-13-2018, 06:33 AM   #2
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2018 30' Classic
Jacksonville , Florida
Join Date: Apr 2018
Posts: 632
Leave 'em in the trailer. It sounds like you are going to visit it often and run the generator. That will charge them. Do you take the batteries out of your car? Do you think farmers take the batteries out of all their equipment in the winter? Do you think the Coast guard takes the batteries out of the markers in the winter? I've left my Forester in Indiana all winter once and it cranked/started on the first try. We never took the batteries out of equipment when I lived up there.

Your batteries will be fine if they have a charge on them. I hope your trip south isn't the first time you've had it out. Or the first time you've towed it.
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Old 11-13-2018, 06:42 AM   #3
CLOUDSPLITTER "Tahawus"
 
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2003 25' Classic
Zanadude Nebula , Milky Way
Join Date: Jun 2007
Posts: 17,101
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To answer your question...

...yes you can run the DC without the batteries installed...just make sure you isolate the cable ends.👍

I did it for years...'til I got lazy/old and just disconnected them.😉

Bob
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Old 11-20-2018, 02:51 PM   #4
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2017 25' Flying Cloud
Durango , Colorado
Join Date: Jun 2017
Posts: 17
Thanks for the practical recommendations. I have a similar issue, leaving the batteries (2) hooked up over 4 winter months down in Dallas while in storage. Id like to put a charger on the next two days to to top them up but not sure how to connect charger so both batteries charge evenly. Any advice
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Old 11-20-2018, 04:18 PM   #5
CLOUDSPLITTER "Tahawus"
 
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2003 25' Classic
Zanadude Nebula , Milky Way
Join Date: Jun 2007
Posts: 17,101
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Is the trailer at home/convenient?

With the AGM's
I checked regularly, if below 12.2v, plug in and let the converter do the job. Un-plug and repeat if needed. 👍

I have also charged thru the 7pin with an adaptor plugged into a battery tender.

Stock batteries in one box?
Attach charger...pos on one battery, negative on the other.

With the new lithiums I can ck from the recliner in the living room.


Bob
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Ive always thought that over planning was just a firewall against not being sure of what you really want to do.
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