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Old 08-19-2007, 08:03 AM   #1
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I keep my batteries pretty clean and well serviced. I make sure I keep the fluid level only half way between the plates and the split ring. I remove and clean the terminals regularly. I wash the batteries clear of all dust and dirt. But, still, in no time at all, they are coroded everywhere.

I never had this issue with previous coaches. It seems both the '07 Essex and the Mountain Aire, both on K-2 Spartan chassis's suffer from this. I've heard other owners complaining about the same issue.

So, what's up with that? Inverter? I had inverters before and didn't have this problem. Anybody got any ideas? John Lane's idea of going to the EGM batteries is making more sense.

Peter
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Old 08-19-2007, 08:03 AM   #2
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I keep my batteries pretty clean and well serviced. I make sure I keep the fluid level only half way between the plates and the split ring. I remove and clean the terminals regularly. I wash the batteries clear of all dust and dirt. But, still, in no time at all, they are coroded everywhere.

I never had this issue with previous coaches. It seems both the '07 Essex and the Mountain Aire, both on K-2 Spartan chassis's suffer from this. I've heard other owners complaining about the same issue.

So, what's up with that? Inverter? I had inverters before and didn't have this problem. Anybody got any ideas? John Lane's idea of going to the EGM batteries is making more sense.

Peter
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Old 08-19-2007, 08:45 AM   #3
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Peter,
Have you tried turning down your charging rate? I get much less of the corrosion when the settings are at 30 - 40%. I know lots of folks who set at 80% and really get them bubbling at the start of a charge.
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Old 08-19-2007, 08:52 AM   #4
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">John Lane's idea of going to the EGM batteries is making more sense. </div></BLOCKQUOTE>
Hi Peter! Hope all is well with you and Cherry! I has same problems. When I was at Newmar I had 3 bad batteries (I had 5 in Florida that were changed) They told me they were going to change all of them and add 2 more because I was all electric. We paid to upgrade all of them to AGM. Maybe that is the way to go. Paul
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Old 08-19-2007, 10:20 AM   #5
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Paul, Since installing AGM's, how well do they work? I know they are 220 amp hrs. which is Identical to the lead-acid ones that we have. The AGM's are 6 volt, correct? Also, did they have to add an additional regulator to your altenator? This may be required to prevent the altenator from over heating supplying the high charge rate of the AGM's.

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Old 08-19-2007, 10:31 AM   #6
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Yes I believe they are 6 volt 220 amp. What brand did you get? Lifeline?

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Old 08-19-2007, 10:44 AM   #7
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put oil in the batteries to hold down the acid mist. camping world sells it under the name OOB. have used it for 11 years and no acid mist. batteries usually last 6 years. 6 volt golf cart batteries are the only ones i have used the oil in.
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Old 08-19-2007, 11:11 AM   #8
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Thanks Tommy. That is probably a great alternative as my batteries are not even a year old. We don't have Camping World in Canada, but I will try some of the RV and auromotive dealers. It is sure worth a try.

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Old 08-19-2007, 11:40 AM   #9
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You can just go down to the local drugstore and by some plain old mineral oil. I use it as do many others. You will need a lot to cover all your cells. You can pick up a turkey baster at the local supermarket also to put it in.

Bob



<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Lug_Nut:
Thanks Tommy. That is probably a great alternative as my batteries are not even a year old. We don't have Camping World in Canada, but I will try some of the RV and auromotive dealers. It is sure worth a try.

Peter </div></BLOCKQUOTE>
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Old 08-19-2007, 12:07 PM   #10
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How do you measure the amount of oil to put in?

Peter
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Old 08-19-2007, 01:33 PM   #11
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I believe its about 3 oz per cell hole. I used a bit more. I just eyeballed it to cover the water well.

Now I notice place one back left I have a little corrosion so may not have added enough there. That was months ago, so may pull the tray and add. But anyway for years I had big time corrosion growing everywhere and now I have none except for one little spot.

I put my cutoff switch on in storage and now since using oil I see my batteries stay at higher voltage (half volt) when I go down to check them. Maybe keeping all that gas in helps!



<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Lug_Nut:
How do you measure the amount of oil to put in?

Peter </div></BLOCKQUOTE>
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Old 09-04-2007, 12:15 PM   #12
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I also use mineral oil in batteries. No corosion in the last year.
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Old 09-04-2007, 12:58 PM   #13
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Thanks, I've added the oil sold for this purpose which I got from a local MH dealer. It is red in color ans takes 200 ml. (just over 3 oz.) per cell on 6 volt batteries. Hopefully it works. I cleaned all the connections, the batteries and the tray.
Thanks Jimmie, makes me feel better to know it will probably help.

Peter
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Old 09-04-2007, 01:05 PM   #14
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Jimmie j, welcome to iRV2.

Come back and visit us soon.

Glad to hear that the mineral oil is working for you.
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