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11-23-2019, 10:23 AM
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#1
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Senior Member
Join Date: Apr 2019
Posts: 407
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Charging batteries
Will the coach batteries charge if the master disconnect switch is turned OFF if plugged into shore cord 110v?
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11-23-2019, 12:02 PM
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#2
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Senior Member
Join Date: Nov 2012
Location: Mount Laurel, New Jersey
Posts: 9,230
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Mine don't.
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2012 SunSeeker 3100SS Toad-1962 Futura Average 100 + days camping
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11-23-2019, 01:34 PM
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#3
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Site Team
Join Date: Jan 2007
Location: Goodyear, Arizona
Posts: 33,790
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If you turn the the battery disconnect switch ON, it prevents the battery from recharging, when plugged into shore power.
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Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
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11-23-2019, 01:50 PM
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#4
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Kanadian Kamper
Join Date: Sep 2010
Location: Southern Ontario
Posts: 8,170
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Quote:
Originally Posted by bikendan
If you turn the the battery disconnect switch ON, it prevents the battery from recharging, when plugged into shore power.
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Huh? On my Georgetown.....using the OEM Battery disconnect switch....
With my digital meter, while plugged into shore power, battery disconnect switch in the ON position, my batteries read 13.6 to 13.7V.
With my digital meter, while plugged into shore power, battery disconnect switch in the OFF position, 48 hours later my batteries read 12.6V.
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Ken and Terry
2018 Sunseeker 2430S-CD, nicely modified and carried by a 2017 Ford E450 Sport
Former Georgetown 330TS owner for 10 years with more mods than I can count, pushed by our 2017 GMC Terrain
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11-23-2019, 02:06 PM
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#5
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Senior Member
Join Date: Apr 2019
Posts: 407
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Quote:
Originally Posted by kenandterry
Huh? On my Georgetown.....using the OEM Battery disconnect switch....
With my digital meter, while plugged into shore power, battery disconnect switch in the ON position, my batteries read 13.6 to 13.7V.
With my digital meter, while plugged into shore power, battery disconnect switch in the OFF position, 48 hours later my batteries read 12.6V.
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It only seems to make sense to have the disconnect switch in the on position when plugged into shore power. If nothing else is on inside it should recharge the batteries....but because I’m a newbie and this will be my first winter with my RV I’m open to all comments
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11-23-2019, 02:06 PM
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#6
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Senior Member
Join Date: Dec 2012
Posts: 7,651
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Quote:
Originally Posted by bikendan
If you turn the the battery disconnect switch ON, it prevents the battery from recharging, when plugged into shore power.
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Quote:
Originally Posted by kenandterry
Huh? On my Georgetown.....
With my digital meter, while plugged into shore power, battery disconnect switch in the ON position, my batteries read 13.6 to 13.7V.
With my digital meter, while plugged into shore power, battery disconnect switch in the OFF position, 48 hours later my batteries read 12.6V.
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There it is. You're both right by the definition and wording on the switch itself. If kenandterry have the standard GT battery disconnect illuminated bar switch it actually spells out what to do. If the battery disconnect on the other is just labeled "battery disconnect on/off" it is ambiguous to say the least and doesn't function as labeled. This ridiculous subject is covered in another recent thread without a resolution.
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11-23-2019, 02:35 PM
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#7
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Senior Member
Join Date: Apr 2019
Posts: 407
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Quote:
Originally Posted by bubbles
There it is. You're both right by the definition and wording on the switch itself. If kenandterry have the standard GT battery disconnect illuminated bar switch it actually spells out what to do. If the battery disconnect on the other is just labeled "battery disconnect on/off" it is ambiguous to say the least and doesn't function as labeled. This ridiculous subject is covered in another recent thread without a resolution.
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I don’t view it as a ridiculous subject...I want to make sure that I’m doing the right thing to protect my batteries and appreciate the information.
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11-23-2019, 02:44 PM
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#8
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Senior Member
Join Date: Dec 2012
Posts: 7,651
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Quote:
Originally Posted by JWallet
I don’t view it as a ridiculous subject...I want to make sure that I’m doing the right thing to protect my batteries and appreciate the information.
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Ridiculous subject is not a reference to your post wanting to know something it is a reference to the battery disconnect switch nomenclature battle that raises its ugly head occasionally. Your question was answered; don't disconnect the batteries when on shore power to keep the batteries charged. They won't charge if disconnected. Whatever the position of your switch is to not disconnect them is correct.
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11-23-2019, 02:52 PM
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#9
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Senior Member
Join Date: Apr 2019
Posts: 407
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Quote:
Originally Posted by bubbles
Ridiculous subject is not a reference to your post wanting to know something it is a reference to the battery disconnect switch nomenclature battle that raises its ugly head occasionally. Your question was answered; don't disconnect the batteries when on shore power to keep the batteries charged. They won't charge if disconnected. Whatever the position of your switch is to not disconnect them is correct.
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Thanks....I plugged it in today..it’s been winterized and covered for a month and I just want to make sure that I get it right
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11-23-2019, 08:25 PM
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#10
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Senior Member
Join Date: May 2018
Location: Texas
Posts: 1,371
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Charging
You want the battery switch on to charge batteries. Just check your battery water level ever month.
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11-23-2019, 09:15 PM
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#11
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Senior Member
Join Date: Apr 2019
Posts: 407
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Quote:
Originally Posted by Tundra 2014
You want the battery switch on to charge batteries. Just check your battery water level ever month.
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Thanks for the tip. I appreciate it!
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11-26-2019, 01:33 PM
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#12
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Senior Member
Join Date: Jul 2015
Location: Charlotte, NC
Posts: 924
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Quote:
Originally Posted by JWallet
Will the coach batteries charge if the master disconnect switch is turned OFF if plugged into shore cord 110v?
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Attached is a RV electrical schematic that is typical for many RV's and is how my 3011 is wired. You can see the (RED) path from the shore power connection does not go through the battery disconnect (PURPLE). In this scenario the batteries should charge regardless which position the battery disconnect is in.
__________________
2016 3011DS Forester
2014 Honda CRV
Chuck & Lois
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11-26-2019, 05:25 PM
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#13
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Senior Member
Join Date: Apr 2019
Posts: 407
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Quote:
Originally Posted by newRVer
Attached is a RV electrical schematic that is typical for many RV's and is how my 3011 is wired. You can see the (RED) path from the shore power connection does not go through the battery disconnect (PURPLE). In this scenario the batteries should charge regardless which position the battery disconnect is in.
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Thanks! Makes sense.
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02-07-2020, 12:36 AM
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#14
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Member
Join Date: Sep 2016
Location: Canyon Hills CA
Posts: 53
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Quote:
Originally Posted by newRVer
Attached is a RV electrical schematic that is typical for many RV's and is how my 3011 is wired. You can see the (RED) path from the shore power connection does not go through the battery disconnect (PURPLE). In this scenario the batteries should charge regardless which position the battery disconnect is in.
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Batteries tend to slightly drain down when disconnect turned to off for a couple weeks. Other than removing neg. cable on batteries is there a better way to shut off batteries?
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02-08-2020, 05:46 PM
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#15
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Senior Member
Join Date: Jul 2015
Location: Charlotte, NC
Posts: 924
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Quote:
Originally Posted by BALLZITCH
Batteries tend to slightly drain down when disconnect turned to off for a couple weeks. Other than removing neg. cable on batteries is there a better way to shut off batteries?
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You can put a quick battery disconnect on the negative battery terminal, that way you don't have to remove the cable. There are several different types available.
__________________
2016 3011DS Forester
2014 Honda CRV
Chuck & Lois
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02-10-2020, 09:17 PM
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#16
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Senior Member
Join Date: Nov 2015
Posts: 4,223
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Yep, the terminology used is confusing. The switch SHOULD be labeled BATTERY ON or BATTERY OFF.
Interesting bit of trivia. On the Vengeance toy hauler I had if I had shore power hooked up and I disconnected the battery nothing appeared to happen. Alll the12 volt items ran off the converter output. The only thing the battery connect did was allow battery charging.
However, on the Forester while hooked up to shore power (or generator on line) if I disconnect the battery via the switch the entire 12 volt system shuts down. No lights, no televisions, no nothing. Air conditioner, microwave and other AC items continue to work. Maybe that's their way of telling me the battery is not charging.
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