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08-26-2009, 11:45 AM
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#1
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Montana Master
Join Date: Nov 2003
Location: Drexel Hill
Posts: 897
M.O.C. #627
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Battery problem-i hope not
I have two 12volt batteries in my rig.Their both probably 5 years old in or about.I noticed One of the batteries when I was up in the front compartment was hot to touch-I mean really hot.The other one was fine.And I have lately been putting a lot of distilled water in that Hot battery.Every thing in the Montana is running as it should be(i think)I`am not having issues with any thing what so ever.I`am kind of hoping it was just that the battery was old and needed replacing.Which I did with both of them today.
Any thoughts on why the one battery would get so hot.
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08-26-2009, 11:57 AM
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#2
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Montana Fan
Join Date: Jan 2007
Location: Buford
Posts: 285
M.O.C. #6735
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You are overcharging the batteries if they are using a lot of water and getting hot. The hot battery could have a shorted cell as well. Overcharging will ruin batteries.
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08-26-2009, 12:07 PM
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#3
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Montana Master
Join Date: Nov 2003
Location: Drexel Hill
Posts: 897
M.O.C. #627
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Quote:
quote:Originally posted by kmh3212
You are overcharging the batteries if they are using a lot of water and getting hot. The hot battery could have a shorted cell as well. Overcharging will ruin batteries.
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So how do I NOT overcharge the batteries.I mean I haven`t put any kind of charger on the batteries.I`am now hooked up to 30 amps at work.
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08-26-2009, 12:37 PM
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#4
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Montana Master
Join Date: Jul 2003
Location: Clearwater
Posts: 10,917
M.O.C. #420
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Batteries typically have a life span of 5 years + or -. From your description, due to it's age your battery won't hold a charge and is just cooking out the acid. It has about lived thru it's life span and it is about time that they both be replaced. The overcharging should no longer be a problem with the new batteries.
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08-26-2009, 12:52 PM
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#5
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Montana Master
Join Date: Nov 2003
Location: Drexel Hill
Posts: 897
M.O.C. #627
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Awwww thanks Glenn that was the answer I was hoping for.I will sleep well tonight thanks to you my friend.
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08-26-2009, 12:52 PM
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#6
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Montana Master
Join Date: Sep 2006
Location: Wappingers Falls
Posts: 1,303
M.O.C. #6263
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All great input...heed the warning because the next event will be a plate falling over and taking out your charger if it doesn't have a chance to pop the fuse.
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08-26-2009, 01:27 PM
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#7
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Montana Master
Join Date: Sep 2006
Location: Casa Grande
Posts: 5,369
M.O.C. #6333
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Aren't some of you folks using an Iota Smart Charger? What would be required to change out the stock (OEM) charger? Is it somewhere in the battery compartment or elsewhere in the trailer?
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08-27-2009, 07:50 AM
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#8
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Montana Master
Join Date: Nov 2007
Location: Atlanta
Posts: 908
M.O.C. #7915
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The Smart Charger plugs into the battery charger, not the battery...no need to change the charger, unless it is not working. There is a receptical on the charger (in the compartment over the toilet) that is made for the Smart Charger to go in, and the Iota SC comes with the wiring you need.
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08-27-2009, 08:56 AM
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#9
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Montana Master
Join Date: Apr 2009
Location: Murrieta
Posts: 5,816
M.O.C. #9257
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I use a battery minder that recharges, prevents overcharging and also conditions the batteries. I seems to work well so far but it has only been 3 years.
I must still monitor the battery water to ensure the cells are full. I use a pump device I bought from an RV store that allows me to pump water into all the cells at the same time. When the cells are full the pumping gets VERY hard. That's when I stop pumping. This is working pretty good, too but I have only had this for one year.
Fortunately, I store my rig at home, so these can be checked conveniently. I have a manual disconnect for the battery with the battery minder connected to the batteries to keep them charged and conditioned. I also leave the rig connected to 20 amp shore power so the interior can be used.
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