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05-11-2013, 04:01 PM
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#1
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Senior Member
Tiffin Owners Club Pond Piggies Club Ford Super Duty Owner
Join Date: Dec 2004
Location: Mentor Ohio
Posts: 875
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Mineral oil for batteries
I know this has been discussed a dozen times on here; but I couldn't reply to the last post because it was too old.
So; If I add mineral oil to my house batteries and live in a cold climate: Will the batteries still be able to "breath" being that the mineral oil tends to gel or thicken in cold weather?
I want to do this but am concerned after Dunner's test results on another thread.
I don't want my batteries to crap out prematurely from not being able to breath at all. (pun intended)
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2012 Tiffin Allegro 34TGA
2013 Jeep Wrangler Sport
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05-11-2013, 04:35 PM
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#2
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Senior Member
Tiffin Owners Club
Join Date: Mar 2012
Location: Near BEAUMONT, TX.
Posts: 440
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We were in the bus business for over 25 yrs and when we went to cold country, we just put a 120 volt battery heater under them and then put an old blanket or cloth over them. When the block heater was plugged in, so was the battery heater. Never had any troubles.
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Bob (RVM 27), now solo (3/26/16) with 3 cats, - Full timing during the summer
"Roughing It Smoothly" in a 1994 34' Allegro Bay DP
All of 190 horses but 11 MPG. 0 TO 60 in 62 sec. :flowers
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05-11-2013, 04:47 PM
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#3
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Registered User
Join Date: Aug 2012
Location: The Land Of Oz RVM17
Posts: 1,592
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Quote:
Originally Posted by woodburner
I know this has been discussed a dozen times on here; but I couldn't reply to the last post because it was too old.
So; If I add mineral oil to my house batteries and live in a cold climate: Will the batteries still be able to "breath" being that the mineral oil tends to gel or thicken in cold weather?
I want to do this but am concerned after Dunner's test results on another thread.
I don't want my batteries to crap out prematurely from not being able to breath at all. (pun intended)
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I put it in all three on our rig last fall. Was camping several times in temps in the teens. Seem to work great and have not had to add any water. If you charging systems are working right, you shouldn't be boiling the batteries anyway. If you do it will get through the mineral oil I would think, the gas. I don't know the pour point or gel point of mineral oil, but it may be online somewhere. I have no corrosion anywhere that I can see.
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05-11-2013, 05:03 PM
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#4
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,982
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Oddly enough I asked about putting Thermoil or mineral oil in my new Interstate house batteries today. The Interstate store owner said not to put anything in the batteries but distilled water. They used to sell a product similar to Thermoil to put in battery cells, but found it did no good.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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05-11-2013, 05:15 PM
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#5
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Senior Member
Newmar Owners Club
Join Date: Oct 2009
Posts: 10,310
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Quote:
Originally Posted by Ray,IN
Oddly enough I asked about putting Thermoil or mineral oil in my new Interstate house batteries today. The Interstate store owner said not to put anything in the batteries but distilled water. They used to sell a product similar to Thermoil to put in battery cells, but found it did no good.
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The longer your battery's last the longer he will wait for your money, the main reason for the mineral oil is to decrease acid gas and the mess that comes with wet cell battery's. I have had it in mine for 4 years now, only need water 2 times a year and NO mess no more
Salesman are in the business to sell and make money, not give you advice to prolong sales
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2012 Essex 4544 2011 Jeep JK, M&G Braking, 2014 MTI 27' Hog Hauler, Wireless brake control, 2006 Ultra & 1989 Springer, 2003 Harley-Davidson
FLHR Road King Anniversary
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05-11-2013, 05:17 PM
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#6
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by Ray,IN
Oddly enough I asked about putting Thermoil or mineral oil in my new Interstate house batteries today. The Interstate store owner said not to put anything in the batteries but distilled water. They used to sell a product similar to Thermoil to put in battery cells, but found it did no good.
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Then they should try mineral oil, it DOES work. I put it in my OEM Interstate U-2200's in about 2004. They lasted just one month short of 10 years and even then were still good enough for our use. We were headed out on a trip and I didn't want trouble on the road.
My battery box is cleaner after 11 years then my 2000 DSDP was after two years. I check my batteries every couple of months.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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05-11-2013, 05:50 PM
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#7
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Senior Member
Newmar Owners Club
Join Date: Aug 2012
Location: Brandon Ms
Posts: 219
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Mineral oil
How much oil should be added to each battery.
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Dale and Rita
2002 Newmar Dutch Star 4095, tow car 2008 Buick Enclave CLX
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05-11-2013, 05:59 PM
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#8
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Senior Member
Join Date: Dec 2012
Posts: 508
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Quote:
Originally Posted by Dale Pruitt
How much oil should be added to each battery.
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2 oz in each cell for 12V and 4 oz in each cell for 6V.
__________________
2014 KZ Durango Goldrush
2018 Chevy 2500 HD Duramax/Allison
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05-11-2013, 06:52 PM
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#9
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Senior Member
Tiffin Owners Club Pond Piggies Club Ford Super Duty Owner
Join Date: Dec 2004
Location: Mentor Ohio
Posts: 875
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Dunner's post on another thread:"The oil in the 0°F freezer pours like honey. The fridge oil is like 50wt oil"
This was the post I was concerned over.
So ya's think it'll be good in temps in the teens and such?
I don't leave it plugged in all winter; just maybe once a week for a day to keep the batteries fully charged when it gets really cold.
__________________
2012 Tiffin Allegro 34TGA
2013 Jeep Wrangler Sport
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05-11-2013, 06:57 PM
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#10
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by tompen
2 oz in each cell for 12v and 4 oz in each cell for 6v.
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Correct!!
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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05-11-2013, 07:07 PM
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#11
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Registered User
Join Date: Aug 2012
Location: The Land Of Oz RVM17
Posts: 1,592
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I don't think being thick as honey would hurt a thing in cold weather. That being said we keep the rig inside a heated shed, unless we are out camping. And plugged in all the time when it is inside. It's just a skim or thin layer of oil on top of the liquid which keeps the batteries from gassing so bad and the electrolite from evaperrating. You must first remove some fluid from you batteries before adding the oil if they are full. I used a turkey baster for this purpose and it had the oz marks on the tube. Suck out 2 oz of electrolyte and ad two oz of mineral oil. On a 6 volt this is 4 oz per cell. Got the baster at my local campground, I mean Walmart.
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05-11-2013, 07:37 PM
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#12
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Senior Member
Newmar Owners Club Workhorse Chassis Owner Spartan Chassis
Join Date: May 2010
Location: McAlester Ok
Posts: 2,057
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I added he mineral oil to my two 6 volt batteries 11 months ago. I am very pleased with the results. Checked them today, and needed about 1 1/2 cups of distiller water.. But, eureka! No corrosion on the terminals. I had to remove wires and clean heavy corrosion 3 or 4 times a year before. I camped 10 nights this winter temp in the teens.
__________________
2007 Newmar KSDP. 3912
2010 Nissan Frontier SE
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05-11-2013, 07:46 PM
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#13
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Senior Member
Join Date: Aug 2007
Location: Where I Park It
Posts: 482
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In 2007, I added 2 oz per cell in my 8 6 volt house batteries. I lived in NY until this past winter and the rv was parked outside with a 15 amp hookup just to keep the batteries charged. Check water about every 3 months and add what I need. NO corrosion at all.
__________________
2007 Newmar Essex 4508 All Electric w/ H2 Towed
Thor, my Min Pin Wing-man
Living full time for 8+ years and still counting.
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05-11-2013, 07:58 PM
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#14
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Senior Member
Join Date: Jan 2010
Location: Okanagan valley British Columbia
Posts: 707
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I have lived in a cold climate most of my life and have never heard of this. Keep the battery charged it should not be an issue.
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