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01-23-2013, 11:27 AM
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#1
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Senior Member
National RV Owners Club
Join Date: Mar 2010
Location: Spring Lake, Michigan
Posts: 301
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Coach Batteries: To disconnect or not?
We're in Florida for 2 more months, hooked up to 50 amp power, and it just dawned on me that I have no idea why I haven't hit my " Battery Disconnect " switch. Now, I'm wondering whether I should, or whether I shouldn't. What is your opinion?
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01-23-2013, 01:01 PM
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#2
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Senior Member
Join Date: Dec 2012
Posts: 508
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The only time I disconnect the coach batteries (salesman switch) is when parked with no shore power. If your converter / charger is working correctly and the batteries have proper water levels, let the system do its job. I don't know if the BIRD system (if equipped) will close the isolation relay and keep the chassis battery charged. I would be more concerned with that one.
Just my 2 cents.
Tom
__________________
2014 KZ Durango Goldrush
2018 Chevy 2500 HD Duramax/Allison
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01-23-2013, 01:07 PM
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#3
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Senior Member
Join Date: Jun 2010
Posts: 163
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Just check your water levels every two weeks or so, top off with distilled water and enjoy the warm weather!
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01-23-2013, 01:37 PM
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#4
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Senior Member
Join Date: Apr 2012
Posts: 1,526
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just a technical note for those who refer to water levels in batteries and are really interested in knowing what is in a lead acid battery. Best not to measure any water. The term to use is "electrolyte",
Yes water is added but through the charging process, hydrogen molecules are released in the form of very flamable hydrogen gas.
As the discharge of Hydrogen atoms are released from H2O (water) and the solution is transformed into H2SO4. (Sulfuric Acid.)
In water there are two atoms of H and one of O.
In Sulfueic acid, there are 2 H atoms, 1 Sulfer and 4 O.
if anyone really cares
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01-23-2013, 02:34 PM
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#5
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Senior Member
Join Date: Apr 2012
Posts: 1,526
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Clarifcation Atom = Molecule in an element. I used both terms that may have confused some if one really cares.
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01-23-2013, 03:13 PM
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#6
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Senior Member
Join Date: Jul 2012
Location: DeLand, Florida
Posts: 464
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thanks for the info - for us "layman" the term water gets the point across
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01-23-2013, 04:14 PM
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#7
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Senior Member
Join Date: Apr 2012
Posts: 1,526
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Yea you are right, if it works well why not go with what works
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01-23-2013, 06:53 PM
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#8
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Senior Member
Workhorse Chassis Owner
Join Date: May 2009
Location: Kansas City, MO./Pollock, LA.
Posts: 1,556
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It is a lot easier to spell "water" than electrlight...electrolite... or electrolyte
__________________
06 Hurricane 34FT WH W20 Chassis 8.1L 132K, Steersafe, Koni Shocks, DIY Trac Bar, Tri-Metric 2025RV Battery Monitor, 4-6V Batteries, Scan Gauge 2, Crossfires, 735W Solar Morningstar MPPT-60, WG T4 In-Motion Sat, XM Radio, 07 Chevy Malibu Maxx Toad, Falcon 2, Brake Buddy, Escapee
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01-24-2013, 08:05 PM
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#9
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Senior Member
Workhorse Chassis Owner
Join Date: Jun 2010
Posts: 104
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When plugged into shore power the converter keeps my house battery bank charged. I have a 2 amp charger on the chassis battery. Water levells are checked monthly. When not plugged into shore power I use both battery disconnect switches.
__________________
Phil & Lenore Kennedy
Picton, Ontario
05 HR Vacationer
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01-25-2013, 10:25 AM
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#10
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Senior Member
Newmar Owners Club
Join Date: Jul 2006
Location: Wellington, Florida
Posts: 13,599
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Hi michguy,
My coach is connected to shore power, whenever/wherever it is parked. I let the systems do their job. I have used the battery disconnect switches only when replacing the batteries (so far, just one time).
__________________
Gary
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
The Avatar Is Many Times Around The USA
Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours
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01-25-2013, 10:59 AM
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#11
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Senior Member
Join Date: Jun 2012
Location: AB
Posts: 7,587
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Quote:
Originally Posted by Libero
just a technical note for those who refer to water levels in batteries and are really interested in knowing what is in a lead acid battery. Best not to measure any water. The term to use is "electrolyte",
Yes water is added but through the charging process, hydrogen molecules are released in the form of very flammable hydrogen gas.
As the discharge of Hydrogen atoms are released from H2O (water) and the solution is transformed into H2SO4. (Sulfuric Acid.)
In water there are two atoms of H and one of O.
In Sulfuric acid, there are 2 H atoms, 1 Sulfur and 4 O.
if anyone really cares
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With spelling errors corrected, the OP asked for the Time, don't care how the watch works.  
__________________
2019 Unity LTV CB, pushed by a 2013 Honda CRV, BlueOx Baseplate, Aventa Bar & Patriot Brake
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