btcruzer
Missouri
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Joined: 12/06/2007
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I'm getting ready to replace the 12Volt battery in the TT. Wanting info on what is a good choice. I've read that marine/deep cycle batteries are not true deep cycle. Wally World and the auto parts places don't seem to carry real deep cycles. Just need a good battery at a decent price.
Actually, I usually have two 12v batts but I removed one to return it to the MH we have for sale. I've juggled the batteries between the two RVs for a few years. No need to have 4 batts sitting unused so much of the time.
No need to buy "matching" battery as I have them separated with cut-off switches and don't have both connected at any time.
I'm only interested in using 12 volt - not interested in 6 volts at all - no matter what a wonderful choice they are.
Moved to Tech Issues forum from DIY.
* This post was
edited 07/09/12 02:25pm by an administrator/moderator *
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2oldman
Winchester WA
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Joined: 04/15/2001
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If you never dry camp it makes no difference.
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Desert Captain
Tucson
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Wally world has deep cycles, cheap. I just bought two 75 amp hour deep cycles for 150 bucks out the door. Look for the ones marked for use with trolling motors/deep cycle. If it ever fails there is a Wally world on every corner. 
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Sandia Man
Rio Rancho, NM
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Joined: 08/09/2008
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Get whatever brand that's easiest to get warranty service (Walmart, Sears, Costco, Samsclub, national auto parts chains) should you need it as it seems your 12 volt requirements are minimal anyway.
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btcruzer
Missouri
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Actually, We mostly dry camp.. hence the need for extra capacity. I'm looking for suggestions for a good BRAND of battery. I've read that there are only about 7 manufactures of batteries in the U.S. I don't care whose name is on the battery (walmart or Auto Zone for Example). I'm mostly interested in the "reserve capacity" rating and the price. 20% more capacity for 2X the price is not a good deal. I don't have much faith in warranties so prefer not to pay any extra for that.
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mena661
Southern California
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Joined: 03/21/2009
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How much more money are you willing to spend? You can get nearly any capacity you want.
2009 Newmar Canyon Star 3205, Ford F53 V10
Trojan L16 6V's 740 Amp-hours
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KD4UPL
Swoope, VA
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Joined: 03/16/2008
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The two brands I would recommend are Trojan and Deka. Trojans are expensive but probably worth it. I have installed over one hundred Deka batteries in off grid solar systems. They have given excellent service over the years.
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Krbjmpr
USA
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Joined: 12/26/2006
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If you are running 2 batteries already, consider gold cart batteries. Bought mine @ Sam's Club. energizer brand, made by Johnson Controls. 205 amp hour capacity each, and tolerate a lot of abuse. Think they were $80 each with core (can use 12v as core).
Original battery pair were Walmart 27DC, and together would run everything for 3 or 4 days. The golf carts have exceeded a week. Very happy with them, ESP since Walmart changed warranty policy on marine / deep cycle exchanges / replacement.
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tahiti16
Camarillo, CA
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Joined: 06/23/2008
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2 6 volt at Sam's club are about $75 and 200 ahr, you need two in series to get 12VDC but that is till more amps for 2 batteries than most 12v and they will handle deep cycling better.
Ray, Cheryl, Cory & of course Miss Molly the four-legged child
2006 Dolphin 36' F53 V10 5 speed auto 2 slides 7.5 KW genset
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red31
Bryan
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take your calculator, tape measure and scale to Sam's.
three different sizes of 12v 'not true deep cycle' marine deep cycle.
140, 180 or 210 minutes RC, locally made by JCI, labeled Energizer
Other states may be labeled Duracell
Group Size 29HM
http://m.samsclub.com/catalog/productlist/3990113
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