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Old 03-21-2016, 06:47 PM   #1
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Batteries

Any ideas for stopping white corrosion from building up on battery posts and metal hold down bar ?

Thanks,
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Old 03-21-2016, 06:51 PM   #2
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Dielectric grease helps.
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Old 03-21-2016, 11:17 PM   #3
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Battery terminal anti-corrosion spray. Get is at an auto parts store.
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Old 03-21-2016, 11:25 PM   #4
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Battery terminal anti-corrosion spray. Get is at an auto parts store.

This works for me.
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Old 03-21-2016, 11:32 PM   #5
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Mineral oil in each cell of the battery. Here are the Interstate U-2200's after about 5 years of no maintenance other than checking the fluid level. The trays looked just as good and the hold down straps were still good after 13 years.
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Old 03-22-2016, 04:54 AM   #6
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Corrosion...

Spray with WD-40.
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Old 03-22-2016, 05:07 AM   #7
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Boeshield T-9 is what the salt water boating community favors.

Truly amazing stuff with lots of other uses.
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Old 03-22-2016, 07:48 AM   #8
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Originally Posted by CCFROMFL View Post
Any ideas for stopping white corrosion from building up on battery posts and metal hold down bar ?

Thanks,

If this is a chronic problem I'd try to find out why your batteries are off gassing so much- since that's the real cause for the corrosion. It may be that your charger could be over-doing it a little. The rest of what's been mentioned probably all work to help keep the actual corrosion down.
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Old 03-22-2016, 09:30 AM   #9
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The long term solution is to switch over to AGM batteries, which are sealed (do not out-gas). Shorter term, the previous suggestions will help.
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Old 03-22-2016, 12:19 PM   #10
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Quote:
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Any ideas for stopping white corrosion from building up on battery posts and metal hold down bar ?

Thanks,
this is what I use

RV Battery Watering Pro Fill System RV2000
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Old 03-22-2016, 12:29 PM   #11
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Mineral oil in each cell of the battery. Here are the Interstate U-2200's after about 5 years of no maintenance other than checking the fluid level. The trays looked just as good and the hold down straps were still good after 13 years.
I agree with Mr D. Adding 4oz of mineral oil per cell reduces battery maintenance significantly. I added mineral oil when I replaced mine about six years ago. I use dielectric grease on the connections and have not touched them since I installed them.
Sorry for the upside down photo, Apple and I have a different idea of upright.
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Old 03-22-2016, 12:32 PM   #12
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In addition to the mineral oil treatment, a good converter that controls battery voltage properly to 13.8 VDC Max is an absolute Must.
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Old 03-22-2016, 02:17 PM   #13
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Batteries

Quote:
Originally Posted by pcurt23 View Post

X2.

All battery related corrosion ended after I installed my Pro-Fill system, a benefit I didn't anticipate.

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Old 03-22-2016, 02:36 PM   #14
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Originally Posted by CCFROMFL View Post
Any ideas for stopping white corrosion from building up on battery posts and metal hold down bar ?
Thanks,
CCFROMFL
1.) Make sure that your on board battery charger is sized and adjusted correctly for the batteries you are using
2,) Only top off the cells of the batteries when the batteries are are fully
3.) Never overfill them.
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