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Old 10-25-2020, 09:46 PM   #1
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2020 28' Flying Cloud
North Oaks , Minnesota
Join Date: Apr 2019
Posts: 11
AGM battery winterization

Greetings and thanks in advance.

I have a 2020 FC with Lifeline AGM and solar package. I am confused about how to properly winterize these batteries. I live in MN, non heated indoor storage with plug in. Will the 2020 Airstream 3 way converter prevent overcharging? Or am I best to remove and put on trickle charger?
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Old 10-26-2020, 08:55 AM   #2
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1987 25' Sovereign
Fort Collins , Colorado
Join Date: Jan 2010
Posts: 491
My AGMs have been fine for two winters left in the trailer. No solar; I just plug in to 30a for a day or so once a month.
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Old 10-26-2020, 03:02 PM   #3
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2018 30' Flying Cloud
Springfield , Ohio
Join Date: Jun 2020
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AGM batteries don't require any special treatment in storage other than making sure a charge is maintained. A discharged battery can freeze and burst the battery case. Attaching a battery tender is a good choice if you can plug it into a wall circuit and leave it running. A second alternative, as discussed above, is to charge the batteries once a month to maintain the charge. Be sure the LP gas detector is either off or the batteries disconnected from the trailer if it cannot be turned off. By default, the LP detector still runs when the battery disconnect switch in the trailer is switched off. Battery Tender link shown below.



https://www.amazon.com/Battery-Tende...a-434255813726
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