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Old 10-16-2021, 11:50 AM   #1
Join Date: Mar 2021
Location: Ancaster
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Battery winterizing

I live in a cold climate (southern Ontario) new to motor home life. If I leave my unit 2022 jayco 27U plugged into power during the winter will the battery damaged or should I have the removed brought inside and put on a trickle charger. Thanks
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Old 10-16-2021, 11:58 AM   #2
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Ours is plugged in all year round. Stored in pole shed.
We do full hookups so I check battery level twice a year and add distilled water if cells are down
We are Sarnia Ont area so similar weather.

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Old 10-16-2021, 12:08 PM   #3
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I'm going to guess you've got a good ol' Sealed Lead Acid (SLA) battery and not a Lithium one. Nothing special to do - just keep it charged. SLAs, if I recall, don't concern themselves until it's something like -70*F outside.

Trickle charger is fine. Plugged in is fine. We use solar to keep them both topped off.
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Old 10-17-2021, 03:43 PM   #4
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Flooded Lead Acid Battery

A fully charged battery has a freezing point around -80F (-62C) while a discharged battery has a freezing point around 20F (-6C). By keeping the battery fully charged during the winter months, the electrolyte is less likely to freeze and cause unexpected failures
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Old 10-18-2021, 06:41 AM   #5
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I live just across the border from southern Ontario and I bring my battery indoors in the winter and keep it on a trickle charger during the off season. I top off the water levels with distilled water (don't use tap water).
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