Battery Replacement 3208cat
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05-18-2010, 15:02
Post: #1
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Battery Replacement 3208cat
I have the old four six volt battery set up and the batteries are fried.
Anyone have any thoughts on replacement batteries? Is there any need for two banks of batteries or would one "cat" type battery work, and if so what cranking amperage. Also is there any advantage to the four six volt setup? Thanks for your thoughts. Bill Of Huntsville (TX.) 83FC |
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05-18-2010, 17:50
Post: #2
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Battery Replacement 3208cat
BUY TWO TROJAN T-105'S....THAT'S ALL YOU WILL EVER NEED. I HAVE TWO OF THEM
FOR HOUSE BATTERIES ON MY 90SP36 AND I AM HAPPY WITH THEM. SHOULD LAST SIX YEARS OR MORE WITH A LITTLE TLC. REGARDS, HANK HANNIGAN still in OZ 90SP36 --- In WanderlodgeForum@yahoogroups.com, "colitatx" > > I have the old four six volt battery set up and the batteries are fried. Anyone have any thoughts on replacement batteries? Is there any need for two banks of batteries or would one "cat" type battery work, and if so what cranking amperage. Also is there any advantage to the four six volt setup? > Thanks for your thoughts. > Bill Of Huntsville (TX.) > 83FC > |
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05-18-2010, 17:55
Post: #3
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Battery Replacement 3208cat
I should add, get rid of the old chargers also.
Regards, Hank Hannigan 90SP36 --- In WanderlodgeForum@yahoogroups.com, "colitatx" > > I have the old four six volt battery set up and the batteries are fried. Anyone have any thoughts on replacement batteries? Is there any need for two banks of batteries or would one "cat" type battery work, and if so what cranking amperage. Also is there any advantage to the four six volt setup? > Thanks for your thoughts. > Bill Of Huntsville (TX.) > 83FC > |
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05-19-2010, 00:53
Post: #4
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Battery Replacement 3208cat
Bill,
I think batteries are like oil and tires and politics, everyone has their preference, and there are many good choices. I'm going through this right now on my PT. Multiple people gave me strong recommendations on tires, but nobody recommended what the tire guy did, and I'm going with him and his experience, since he does this 24/7 for truckers, RVs, big rigs, etc. On batteries, I think the reason for using double the six volt batteries versus half the 12 volt batteries is for deep cycling ability. If you read up on this, you'll find that deep cycle batteries are able to withstand more "abuse" and can cycle from low to high more often and take it than 12 volt batteries. I researched all the big names, such as Trojan, Interstate, Rolls, Deka etc. At the end of the day, again, you will get multiple opinions on preferences and experiences. Johnson Controls makes most of the batteries for many of these companies. I found that Interstate and Trojan were almost exactly matched in price, features and specs. Interstate has dealers/distributors all over and I can go get them myself, Trojan I couldn't find close by. Deka was higher priced and similar to these two so I ruled them out. Rolls recommends AGM batteries and they are twice the price of these other 3, I can't justify that cost, even if they do last twice as long. Finally, there are the golf cart batteries sold by Sam's club for about $75 each, which is about 3/4 the cost of the comparable Interstate/Trojans. I am going to be trying these out as others who have them are going on 4+ years strong with no issues. Guess I'll have to see what happens! Good luck in your search and decision. You will probably get as many opinions as you do responses! Markus 86 PT40 > > I have the old four six volt battery set up and the batteries are fried. Anyone have any thoughts on replacement batteries? Is there any need for two banks of batteries or would one "cat" type battery work, and if so what cranking amperage. Also is there any advantage to the four six volt setup? > > Thanks for your thoughts. > > Bill Of Huntsville (TX.) > > 83FC _________________________________________________________________ The New Busy is not the old busy. Search, chat and e-mail from your inbox. http://www.windowslive.com/campaign/then...WL:en\ -US:WM_HMP:042010_3 |
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05-19-2010, 03:02
Post: #5
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Battery Replacement 3208cat
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05-19-2010, 04:12
Post: #6
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Battery Replacement 3208cat
The cost savings in AGM's is in the recharging time. An AGM will accept a higher rate of charge so the generator runs less. For example, the generator runs three hours instead of six to recharge the bank. There is the savings.
Dan
88WB38
Jackson, MS
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05-19-2010, 04:19
Post: #7
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Battery Replacement 3208cat
If you are dry camping only, right? Otherwise, the alternator is recharging the
batteries while you are on the road, so that shouldn't be an issue. My logic was I don't plan to do a ton of dry camping, so the additional expense versus savings didn't work out. Usually I am driving, or hooked up to shore power. Markus ________________________________ > To: WanderlodgeForum@yahoogroups.com > From: dangw@... > Date: Wed, 19 May 2010 11:12:45 -0500 > Subject: Re: [WanderlodgeForum] Battery Replacement 3208cat > > > > The cost savings in AGM's is in the recharging > time. An AGM will accept a higher rate of charge so the generator runs > less. For example, the generator runs three hours instead of six to > recharge the bank. There is the savings. > > > > Dan > > 88WB38 > > Jackson, MS _________________________________________________________________ Hotmail is redefining busy with tools for the New Busy. Get more from your inbox. http://www.windowslive.com/campaign/then...WL:en\ -US:WM_HMP:042010_2 |
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05-19-2010, 05:06
Post: #8
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Battery Replacement 3208cat
Bill, As you can see, and some one else said, - Chuck 1982 FC 31SB From: If you are dry camping only, right? Otherwise, the alternator is recharging the batteries while you are on the road, so that shouldn't be an issue. My logic was I don't plan to do a ton of dry camping, so the additional expense versus savings didn't work out. Usually I am driving, or hooked up to shore power. Markus ________________________________ > To: "WanderlodgeForum%40yahoogroups.com" > From: "dangw%40att.net" > Date: Wed, 19 May 2010 11:12:45 -0500 > Subject: Re: [WanderlodgeForum] Replacement 3208cat > > > > The cost savings in AGM's is in the recharging > time. An AGM will accept a higher rate of charge so the generator runs > less. For example, the generator runs three hours instead of six to > recharge the bank. There is the savings. > > > > Dan > > 88WB38 > > __________________________________________________________ Hotmail is redefining busy with tools for the New Busy. Get more from your inbox. http://www.windowslive.com/campaign/then...P:042010_2 |
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05-19-2010, 05:10
Post: #9
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Battery Replacement 3208cat
True, but you have to have the charge capability. I have 6 6-volt AGMs that
combine to a 12V 660AH bank. Since AGMs can theoretically handle 50% charge rates that means up to 330Amp charging. My ProSine 2.0 is only capable of outputting 105A, which wouldn't hurt regular batteries in that bank size. I went with 6-volt not because of their deeper cycle but rather because they are taller than the original Group 24 on only slightly smaller footprint, so there is more total battery - 6 Group 24s would typically be 480AH. Don Bradner 90 PT40 "Blue Thunder" My location: http://www.bbirdmaps.com/user2.cfm?user=1 On 5/19/2010 at 11:12 AM dan wrote: >The cost savings in AGM's is in the recharging time. An AGM will accept >a higher rate of charge so the generator runs less. For example, the >generator runs three hours instead of six to recharge the bank. There is >the savings. > >Dan >88WB38 >Jackson, MS |
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05-19-2010, 06:40
Post: #10
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Battery Replacement 3208cat
Bill,
I agree with Chuck. I have 4 Deka 6 volt golf cart batteries in my coach. I bought them in Oct 2002. They are still working good, but I know their life is about up. I do not leave my coach on shore power when not in use and have installed a separate battery switch to shut off all ghost circuits.
Chet Geist
1981 FC33 / 3208 NA Cat
Austin, Texas
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