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Old 05-01-2016, 09:36 PM   #1
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Mineral Oil in house batteries

I replaced my 4 house batteries today and I put 4 oz of mineral oil in each cell. I hope this helps them last . Has anyone had luck with doing this? Thanks in advance

Dan
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Old 05-01-2016, 09:38 PM   #2
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You will get many answers here, as the topic has been discussed before.


But as I see it, if it really did help, why wouldn't the Manufacturer put mineral oil in the cells


I've had batteries last 5,6 years, I believe its how you take care of them.
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Old 05-01-2016, 09:43 PM   #3
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Yes, mineral oil works very well. Stops the off gassing, no corrosion in the battery compartment and very seldom have to add water. Been using it for ten years.
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Old 05-01-2016, 09:44 PM   #4
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My set of OEM Interstate U-2200 batteries lasted 10 years, 8 of them AFTER I put mineral oil in them. Here they are after at least 4 years and not being cleaned during that time. Those are still the OEM hold down straps too.
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Old 05-01-2016, 09:45 PM   #5
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Quote:
Originally Posted by RV Dan View Post
I replaced my 4 house batteries today and I put 4 oz of mineral oil in each cell. I hope this helps them last . Has anyone had luck with doing this? Thanks in advance

Dan
I've had excellent results using 4 oz. per vent cap on 6v batteries. I have a total of 10 Trojan T105's. Th golf cart ones are 2009 and the coach ones are 2010. All of them have had mineral oil since nearly new. You will find that your batteries will not need water added very often and corrosion will be minimal.
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Old 05-01-2016, 10:01 PM   #6
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I put mineral oil in my 4 golf cart batteries 4 years ago when i installed them. The batteries are still strong. I also put Vaseline on my terminals. I still have to add water, but corrosion is not forming on my terminals.
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Old 05-02-2016, 12:03 PM   #7
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Originally Posted by CJ7365 View Post
You will get many answers here, as the topic has been discussed before.


But as I see it, if it really did help, why wouldn't the Manufacturer put mineral oil in the cells


I've had batteries last 5,6 years, I believe its how you take care of them.
How long do you think battery manufacturers want them to last?

Their in the buisness of selling batteries !!
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Old 05-02-2016, 12:26 PM   #8
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Years ago when I maintained remote communication repeaters the batteries came with mineral oil added from the battery company.
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Old 05-02-2016, 12:40 PM   #9
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In my previous rig I tried mineral oil. Boy was it a great improvement. My batteries were always needing water, after I added the mineral oil it made big difference.

The downside..........it made such an improvement that I quite checking my batteries as often, much to my chagrin. After the winter in storage, the plates had gone dry. Pretty ugly mess looking at fried mineral oil on the dead battery plates.
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Old 05-02-2016, 01:01 PM   #10
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Years ago when I maintained remote communication repeaters the batteries came with mineral oil added from the battery company.
I've also read that the train companies used mineral oil in their equipment batteries, might even be the same equipment that you maintained.
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Old 05-02-2016, 01:01 PM   #11
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In my previous rig I tried mineral oil. Boy was it a great improvement. My batteries were always needing water, after I added the mineral oil it made big difference.

The downside..........it made such an improvement that I quite checking my batteries as often, much to my chagrin. After the winter in storage, the plates had gone dry. Pretty ugly mess looking at fried mineral oil on the dead battery plates.
Well, that is one downside I guess!!
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Old 05-02-2016, 03:30 PM   #12
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Mineral Oil in house batteries

IMO mineral oil is a band-aid for a problem, not a fix.
I watch my power monitor, have never added oil, and only need to top off the cells once a year. I have no corrosion due to lack of boiling. If you have an overcharge issue going on, the oil will mask the problem.
I check my Magnum Energy readout often as I pass by it. If it goes to Surge charge at 14.5 or higher for more than a few minutes after you plug the coach into the pedstal, or goes above Float charge rate of 13.7 often, the charger is not on par.
Me thinks excessive battery electrolyte loss is most often caused by improper inverter/charger settings and poor 12V electrical management.
Another thing is that when charging is happening as it should, it will periodically show Full Charge. If it doesn't there are likely battery or charging issues.


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