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Thread: Battery storage over winter
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11-10-2019, 03:41 PM #21
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11-10-2019, 05:34 PM #22
Interesting on how units are wired. With my disconnect switch in the closed (normal run) position and all switchable circuits open, there is a drain of just under 250mA. The items that seem to be responsible for the drain include the gas sniffer, thermostat and radio. With the disconnect switch in the open position, the current drain is 0mA. The longest I have left the battery is 6 weeks with the disconnect switch open and no shore power and battery was still at full charge. BTW the tongue jack (including the light) and the brake breakaway switch have power regardless of the disconnect switch position.
Judy & Larry
Ty and Ali the St Bernard drool machines
Delta, British Columbia, GWN
2019 Imagine 2150RB - lovingly christened “IM-A-GENE” towed by Dusty via Andersen 3350.
2018 F150 SCREW 3.5 EcoBoost Lariat - respectfully christened “Dusty”.
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11-11-2019, 02:51 PM #23
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HiUnlimitedmatt, I have a 2970RL just purchased a few months ago. I've removed the battery and will store it in my home as well. So I don't need to hook it up to a battery tender?
Lori
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11-11-2019, 03:48 PM #24
If you have a dual purpose wet cell battery, you don’t need a tender. It will be just fine if stored in a cool dry place for at least six months. Put it back in the trailer and connect the shore power to refresh it when you want to use it.
Removing the battery also disables the tongue jack or landing gear so it is tamper proof during storage.Judy & Larry
Ty and Ali the St Bernard drool machines
Delta, British Columbia, GWN
2019 Imagine 2150RB - lovingly christened “IM-A-GENE” towed by Dusty via Andersen 3350.
2018 F150 SCREW 3.5 EcoBoost Lariat - respectfully christened “Dusty”.
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11-11-2019, 09:24 PM #25
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Just make sure it is fully charged, and unhook it. No need to bring it inside. The colder the better - it will hold its charge for a very, very long time. And as long as you don't drop below -59 (C), it won't freeze. The only "bad" thing cold does to a battery is reduce the total amount of power they can produce, but all that comes back in warmer temps.
2017 Imagine 2670MK
2012 F-150 SCrew, Eco, 4x4 6.5 box
Max. Tow, HD Payload, Airbags, ProPride hitch
(Previous: Jayco 26.5RLS Fifth, Revolution Pinbox)
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11-12-2019, 07:31 AM #26
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Hi Lori,
I will ditto what everyone else said: no need for the battery tender. I will check my battery's voltage in the spring and charge it if necessary before I reinstall it.
On a side note, one other benefit of removing my battery from my camper is so my wife will not worry because she thinks the battery will get stolen from the storage lot.2019 2800bh
2018 Silverado 1500
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11-12-2019, 10:49 AM #27
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[QUOTE=xrated;265645]. And believe me, it doesn't take more than a few weeks to drain a group 24 battery even if the disconnect switch is turned off.
My camper sat unused for almost 2 months this summer, and when I used the power jack the next time, the battery had plenty of snap to run it.2019 Transcend 26rls
2010 Nissan Titan w full tow package
Rich & Sharon
[SIGPIC][/SIGPIC]
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11-16-2019, 03:00 PM #28
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I take my battery out over the winter, top off the distilled water and hook up the battery tender. I could leave it in the camper and use the solar battery tender (no access to a power at storage facility) I can monitor everything at home easier.
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11-16-2019, 03:30 PM #29
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Electrolyte freeze temp is dependent on state of charge. Fully charged that temp is very low, however at 50% charge its getting to the point it can freeze and that will destroy the battery. For that reason Id disagree with some of the posts here and hit it with a charger once or twice over the winter months. Most lead acid batteries will self discharge over several months, AGM types are much better in this regard.
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11-16-2019, 03:57 PM #30
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