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Old 04-15-2014, 03:57 PM   #1
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Batteries leaking

Hi all; tried the search engine, no luck so here goes,,, 2000 Tiffin Allergo completely enclosed garage, hooked to shore power all winter. Went camping 20 miles away3 weeks ago to shake out the winter cobwebs, noticed 1/4 cup of battery acid leaked from the battery overflow. Got home and noticed around 20 drops in the garage the next day. Went camping in Nashville this weekend, another 1/4 spill. Replaced these batteries last year, had this MH 4 years and been as far as Flagstaff, Az. and never had this happen. What gives? Thanks in advance..
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Old 04-15-2014, 04:09 PM   #2
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It could be the charger overcharging them. Check voltage under the same condition you notice the overflow.
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Old 04-15-2014, 04:23 PM   #3
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First things first.

Check state of charge, static unloaded voltage then charging voltage .

Then do not fill a dead battery ever.

Only enough water to just barely cover the plates and no more.

As it charges the water level will rise a bit and if filled dead it could over flow.

Monitor charge voltage and insure no over charge.

Search charge voltage and you will have plenty of reading.

Since you have lost water the acid may be diluted by replacement water so after time charging and voltace levels off and hydrometer for state of charge still us off a GOOD battery place that can service the battery may be able to add some fluid so do not add water until you are charged as you may need something other than water added.

Since batteries new it may be option.

And it requires a good servicing battery dealer and interstate is usually not it...mom and pop places often are...yellow pages and phone calls.
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Old 04-15-2014, 04:38 PM   #4
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Quote:
Originally Posted by TQ60 View Post
do not fill a dead battery ever.
Only enough water to just barely cover the plates and no more.
As it charges the water level will rise a bit and if filled dead it could over flow.
I agree!
However I fill to the bottom of the split rings in the fill/cap openings.
Mel
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Old 04-15-2014, 06:37 PM   #5
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I agree!
However I fill to the bottom of the split rings in the fill/cap openings.
Mel
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Same here Mel.
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Old 04-16-2014, 06:55 AM   #6
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Batteries leaking

From the Trojan deep cycle maintenance webpage:

Step-By-Step Watering Procedure

1. Open the vent caps and look inside the fill wells.
2. Check electrolyte level; the minimum level is at the top of the plates.
3. If necessary add just enough water to cover the plates at this time.
4. Put batteries on a complete charge before adding any additional water (refer to the Charging section).
5. Once charging is completed, open the vent caps and look inside the fill wells.
6. Add water until the electrolyte level is 1/8″ below the bottom of the fill well.
7. A piece of rubber can be used safely as a dipstick to help determine this level.
8. Clean, replace, and tighten all vent caps.
WARNING: Never add acid to a battery.




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Old 04-16-2014, 09:47 AM   #7
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We as end users never add acid as we are not properly equipped to do so.

However...

A servicing shop can.

Usually it is for larhe industrial batteries that are very expensive but it can be done on automotive ones too.

If your batteries are only a year or two old and were of good brand they may have a direct replacement for first 1 to 3 years or not.

If after soaking on a trickle charge for a few days to a week the hydrometer reads low it is due to acid dilution as a result of the added water.

Normsl water loss through gassing does not do this but loss via spill does.

It all depends on the amount of loss.

Check yours after charging and before adding more water as you may need to operate at the lower level.

I am a vrla/agm person...flooded were not used any longer in my work , but we still work with auto and industrial flooded for many years for personnal and customers back in the radio days...

The maintenance of the flooded units focus on the specific gravity of the fluid, state and rate of charge along with keeping things clean and tight.

With a loss of fluid that is replaced by only water it may matter if enough water is added.

It may be fine or not.

If not then seek warranty replacement of batteries after source of issue is found and corrected.

If warranty not good then locating a servicing dealer may be an option where they could add some electrolite to your batteries.

First prioity is finding out why and fixing it.

Then see what you need to repair the batteries.
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Old 04-16-2014, 11:57 AM   #8
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Quote:
Originally Posted by outthere View Post
Hi all; tried the search engine, no luck so here goes,,, 2000 Tiffin Allergo completely enclosed garage, hooked to shore power all winter. Went camping 20 miles away3 weeks ago to shake out the winter cobwebs, noticed 1/4 cup of battery acid leaked from the battery overflow. Got home and noticed around 20 drops in the garage the next day. Went camping in Nashville this weekend, another 1/4 spill. Replaced these batteries last year, had this MH 4 years and been as far as Flagstaff, Az. and never had this happen. What gives? Thanks in advance..
First, you have a problem with your Converter. Check the Battery Voltage with the coach plugged in to shore power. It should be 13.6 to 13.7 Volts DC and no more. Higher voltage will cause excessive gassing off and result in low acid levels. If the level drops below the top of the plates and left for any length of time under charge, it will ruin the battery.
When your converter is operating properly, you should only have to add Distilled Water every 3-4 months. The higher the voltage, the more often you need to add water. Never, Never add acid to top off your batteries. Use Only Distilled Water.
Below is a link that makes for good Bedtime Reading that will help you understand how a battery works and how to maintain it. There are many documents on the subject but I thought this one was pretty well written.

How Lead Acid Batteries Work
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Old 04-16-2014, 12:02 PM   #9
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We have a 2004 travel Supreme Select. Could the in house Battery charger go bad?
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Old 04-16-2014, 01:45 PM   #10
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We have a 2004 travel Supreme Select. Could the in house Battery charger go bad?

Like any electronic device, it can fail at any time.
My 03 had a Magnum Inverter/Converter that was replaced with a Progressive Dynamics Converter by the previous owner likely due to a failure of the Magnum.
For our lifestyle, we do not miss the Inverter at all and the PD Converter does an Excellent job of maintaining battery voltage at precisely 13.6 VDC. As a result, my battery maintenance is minimal. I use 4 oz of Mineral Oil in each cell. I add water maybe once a year and my battery compartment stays nice and clean. No corrosion of the posts at all. My coach is plugged in to shore power or a CG site 24/7.

http://progressivedyn.com/rv_products.html
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