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Thread: 12V Batteries Question
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03-13-2022, 04:57 PM #21
Thank you!
I think the lowest temperature I have experienced here in our part of Idaho was -11 Fahrenheit. Good information, and thanks! The batteries, although not connected, where fully charged still when I put them back in, and they were never put on a trickle charge during the Winter months.
Karl - USMC - DAV 🇺🇸
2004 Ford F-350 Powerstroke Super-duty 6.0L (Bulletproofed 😁) 202k miles | 2022 Grand Design Imagine XLS 22 MLE | Trailer Tires: Goodyear Endurance ‘D’ rated
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05-13-2022, 11:59 PM #22
False alarm. My Two Interstate Deep Cycle 12V batteries are just fine. My wife and I took our TT Gemma (wife’s Grandmother’s name) out on her maiden voyage 47 miles away to do a four-day show, and then back home. We are learning about the trailer and how everything functions. Already got a quick lesson on water conservation while Boondocking. I’m going to have a solar system with Two 195 Watts panels installed at my RV dealership so I won’t void my Warranty(s) to keep my batteries charged. My Gen will be my backup for ugly days when we are out.
My batteries have been fluctuating between 11.9-12.7V and when my Gen is running 13.7V at the highest, so we are golden.
Sent from my iPhone using TapatalkKarl - USMC - DAV 🇺🇸
2004 Ford F-350 Powerstroke Super-duty 6.0L (Bulletproofed 😁) 202k miles | 2022 Grand Design Imagine XLS 22 MLE | Trailer Tires: Goodyear Endurance ‘D’ rated
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05-14-2022, 07:04 AM #23
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Finally spring here in the Northland, and the toys have come out to play. All stored in outdoor temps, from Oct-May, initially fully charged, disconnected, and ignored in the units until this week. Same treatment all have had since new.
AGM Grp 31, 12 yr old - unload voltage is 12.9
AGM Grp 31, 12 yr old - unloaded voltage is 12.85
7 yr old LA, Grp 24 - unloaded voltage is 12.7
3 yr old 6v GC2 (Costco) is 6.35
3 yr old 6v GC2 (Costco) is 6.4
So all very close to full charge after their long nap. May replace the Grp 24 just because (engine starting battery)
No good way for me to test overall capacity remaining in any, and I expect it to be lower for the old AGM's. But I am very over capacity for their use, so not an issue. Will downsize or go lithium soon for their replacements. But will first see how well they do in actual use, and might even push them for another year if they work better than "good enough".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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05-14-2022, 09:19 AM #24
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05-14-2022, 10:26 AM #25
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05-14-2022, 10:47 AM #26
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Perhaps, but those issues would have to be tired directly to the installation. They can't blanket deny the roof from a solar installation. Also, a dealer install wouldn't change that. GD would put that on the dealer to cover, from personal experience.
Full-time Traveling Family ,'21 Momentum 395MS-R, '21 F450 King, 2000watts solar, Dual Victron MP-II 12/3000 2 x 120v, 1220ah LiFePo4
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05-21-2022, 12:25 PM #27
the batteries with no trickle charge will begin to sulfate at 50% of charge.... at 20% of charge the sulfate process can cause Permanent damage to the plates. This reduces the batteries current discharge ability. (example-Your 120 amp hour may now become only 50 amp)......TRICKLE charge is cheaper than 2 new batteries.
2022 Solitude 378mbs-r with 3rd air and solar package, Flux Capacitor pending, Removed Nautilus and replaced with the Bruce Select-A-Matic
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05-21-2022, 01:26 PM #28
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05-29-2022, 08:22 PM #29
I’ve lived in Idaho since 2005. The coldest temperature I have experienced was -11F. I did remove my batteries and place them in my Garage on Two 2’ x 2’s, from my understanding, you are saying it is safe to leave my batteries in their Battery boxes during the Winter, just remove the Negative cable? I cover my whole Trailer’s Tongue (Battery boxes, LP tanks and Electric Jack) with a folded Tarp to protect from snow, hail and rain, as I cover my AC Condenser the same way. Will my 2 x 12V Lead Acid batteries be okay during the Winter months?
We are also going to get Solar installed on the Coach starting with 2 x 190W panels to keep the batteries charged. Later will expand to a third panel and a power inverter, and maybe go to Lithium ion batteries.
Sent from my iPhone using TapatalkKarl - USMC - DAV 🇺🇸
2004 Ford F-350 Powerstroke Super-duty 6.0L (Bulletproofed 😁) 202k miles | 2022 Grand Design Imagine XLS 22 MLE | Trailer Tires: Goodyear Endurance ‘D’ rated
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05-29-2022, 08:37 PM #30Donna and Dave
Annapolis, Maryland
2021 Grand Design Imagine 2500RL / Dodge Ram Longhorn 2500 6.4 Hemi
350 W Newapower Solar: 3000 Victron Inverter/ Charger: Firefly Oasis carbon foam AGM
Channging Battery Type?
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