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10-25-2020, 05:58 PM
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#1
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Established Member
Join Date: Mar 2020
Location: Seattle
Posts: 27
M.O.C. #25902
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Battery life
I have 2 interstate hd24 that seem not to hold a charge last Sunday they were 12.4 when I pick ip a week later they were at 12 volt I also used the RV battery disconnect when it not been used. Is this normal?
I am thinking go to AGM battery is it worth it
How do I battery charge during storage my storage does not have any power hookups
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10-25-2020, 06:10 PM
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#2
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Seasoned Camper
Join Date: Apr 2020
Location: Panhandle of Florida
Posts: 99
M.O.C. #26098
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Mlenest, the battery disconnect does NOT shut battery power completely off. The only way to kill battery power is to disconnect the battery or install a battery disconnect switch at the battery.
If you are storing your FW outside, a portable solar power system will keep your battery charged.
__________________
2020 Montana High Country 295RL
10th Anniversary Edition
2019 Silverado 3500HD, Duramax, LTZ, SRW, CC, 4WD, 8'Bed
Reese M5 - 20K
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10-25-2020, 06:27 PM
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#3
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Established Member
Join Date: Mar 2020
Location: Seattle
Posts: 27
M.O.C. #25902
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So do disconnect both red and black or can just do one of them?
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10-25-2020, 06:49 PM
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#4
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Montana Master
Join Date: Mar 2020
Location: Lamesa
Posts: 621
M.O.C. #26010
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Quote:
Originally Posted by Mlenest
I have 2 interstate hd24 that seem not to hold a charge last Sunday they were 12.4 when I pick ip a week later they were at 12 volt I also used the RV battery disconnect when it not been used. Is this normal?
I am thinking go to AGM battery is it worth it
How do I battery charge during storage my storage does not have any power hookups
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How old are the batteries? How often do you add water to them? How do you charge them if there is no power at the storage facility? If you haven't been doing that the batteries are probably shot. Have you ever let them "go dead"? Here is a chart that might be enlightening showing how discharging a battery kills it - page 4 lower left;
https://www.intechtrailers.com/image...nce-Manual.pdf
As far as to keep them charged when the storage facility doesn't have power, disconnect them and put them on a battery tender.
__________________
Danny and Susan wife of 55 years
2019 Ram Laramie 3500 6.4 4x4 CC 4.10 SRW
2020 Montana High Country 331RL
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10-25-2020, 07:50 PM
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#5
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Montana Master
Join Date: Dec 2007
Location: Kansas City, Missouri
Posts: 2,707
M.O.C. #7992
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Quote:
Originally Posted by Mlenest
So do disconnect both red and black or can just do one of them?
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I just disconnect the negative.
__________________
2006 3000RK
2009 Ram 2500
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10-26-2020, 09:20 AM
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#6
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Seasoned Camper
Join Date: Apr 2020
Location: Panhandle of Florida
Posts: 99
M.O.C. #26098
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Quote:
Originally Posted by Mlenest
So do disconnect both red and black or can just do one of them?
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Either one will work. If you disconnect the + only, make sure it cannot touch anything metal in the battery compartment. Better yet, install a battery disconnect switch such as:
https://www.walmart.com/ip/Marine-Ba...1250/990287568
__________________
2020 Montana High Country 295RL
10th Anniversary Edition
2019 Silverado 3500HD, Duramax, LTZ, SRW, CC, 4WD, 8'Bed
Reese M5 - 20K
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10-26-2020, 09:25 AM
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#7
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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I agree with Jim and only disconnect the lead going to the ground.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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10-26-2020, 02:00 PM
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#8
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Montana Master
Join Date: Nov 2012
Location: Rancho Santa Margarita
Posts: 633
M.O.C. #13025
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My batteries are always fully charged before storing. I used to disconnect the negative terminal but that got old. I bought a cutoff switch like post #6 suggested. As previously stated the cutoff switch that comes with your trailer does not shut off ALL power.
__________________
Russ and Linda, So. California
2004 Chevy Silverado 2500 HD, D/A, SRW, SB
2005 2955RL, Pullrite Superglide 16K hitch. Bridgestone Duravis R500 tires. EZ Flex Equilizers with wet bolts.EMS HW50C, Disk brakes
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10-26-2020, 06:08 PM
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#9
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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Here's another option on disconnecting the cable off the negative battery terminal. It won't "get old" as it takes all of 5 seconds to remove the cable.
https://www.amazon.com/Post-Battery-.../dp/B001N729FS
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10-26-2020, 08:29 PM
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#10
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Established Member
Join Date: Mar 2020
Location: Seattle
Posts: 27
M.O.C. #25902
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Thank you for the link I just order it
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10-29-2020, 06:54 PM
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#11
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Montana Master
Join Date: Oct 2015
Location: westminster md
Posts: 2,318
M.O.C. #17894
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Do yourself a favor and don't use one of those mickey mouse switches. You want a real switch. Google Blue sea disconnect switches. They are true Marine HD switches.
__________________
2018 Chevy 3500 LTZ Dually Diesel 4x4 CCLB
2011 Montana 3455 SA. 6 point level up. Disc brakes. Curt Q24 Hitch. 5 step glow steps
Progressive EMS. Valterra tank valves. Sailun G637 tires. ARP fridge control. All led lighting. Mor Ryde IS
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10-29-2020, 07:15 PM
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#12
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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I beg to differ as to the adjectives "Mickey Mouse". Several in my circle of RVer's use this type of disconnect with complete success for the long term. They are handy, work well, and provide a good solid area of contact between the fork and blade of each half. Loosen the grip bolt and slide it apart ... slide it back and tighten the grip bolt ... easy peasy. The marine switches look really neat and work well too, but these work equally as well and cost way less. You're just working with the negative ground of any battery here.
Perhaps my link isn't exactly the brand we use, but it works the same if you completely separate the two halfs. Ours has a fork that slides out from under the tightening bolt. This one you should remove the knob bolt and drop the halfs apart.
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10-30-2020, 04:25 AM
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#13
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Montana Master
Join Date: Oct 2015
Location: westminster md
Posts: 2,318
M.O.C. #17894
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Quote:
Originally Posted by dieselguy
I beg to differ as to the adjectives "Mickey Mouse". Several in my circle of RVer's use this type of disconnect with complete success for the long term. They are handy, work well, and provide a good solid area of contact between the fork and blade of each half. Loosen the grip bolt and slide it apart ... slide it back and tighten the grip bolt ... easy peasy. The marine switches look really neat and work well too, but these work equally as well and cost way less. You're just working with the negative ground of any battery here.
Perhaps my link isn't exactly the brand we use, but it works the same if you completely separate the two halfs. Ours has a fork that slides out from under the tightening bolt. This one you should remove the knob bolt and drop the halfs apart.
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I may have said it harshly but all I'm saying is there are better switches out there at a reasonable cost.
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11-01-2020, 01:35 PM
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#14
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Montana Fan
Join Date: Mar 2005
Location: Highlands Ranch
Posts: 464
M.O.C. #3477
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Don't know how he'll run a battery tender if he doesn't have power? (refer to original post.) The simple "knife" switches have worked well for me for 25 years on our motorhome first and now the Monty. What still hasn't been revealed is the age of the OP's batteries. Often, anything beyond 5 years is plus time. I have made it 8 on this set, but they are needing replacing now.
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11-01-2020, 01:58 PM
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#15
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Montana Master
Join Date: Aug 2015
Location: SWFL
Posts: 964
M.O.C. #17801
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I got an inexpensive knife switch for the battery negative terminal to cable. Also got an inexpensive solar panel and controller ($60) and its maintaining two batteries. I mounted the panel on the kingpin (as that's where I get the most sun in my storage lot).
__________________
2016 Montana 3711FL
2005 Ford F350, 6.0 diesel, short bed
Demco Hitchiker Auto Slide hitch
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