zxer
Eugene
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2112 wrote:You would be better off getting starting batterys for the cummings. Marine batterys are a hybrid capable of providing enough starting amps for a boat motor but also have some steady draw capacity for electronics or a trolling motor or something like that.
Many people, including myself use marine for the RV house battery because of price and not requiring the ampacity of a true deep cycle.
Okay, I'll take your advice. What's your opinion of the Optima that Wolfe10 describes ?
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pianotuna
Regina, SK, Canada
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Joined: 12/18/2004
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Hi,
Go with the biggest meanest batteries that will fit the available space. But first figure out why the existing batteries are being drained. Or add some disconnect switches.
Regards, Don
Kustom Koach Class C 28'5" 256 watts Unisolar, 875 amp hours in two battery banks 12 volt batteries, 2500 MSW watt inverter.
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2112
Texas
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Joined: 07/16/2011
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My opinion? I go to Walmart and get whats on sale 
I'm not much of a label shopper!
What do you put in your daily driver?
2011 Ford F-150 EcoBoost SuperCab, Timbrens, PullRite SuperGlide 2700 15K
2013 KZ Durango 1500 2857
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skipnchar
Topeka or somewhere else
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Joined: 12/17/2003
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Marine/RV batteries ARE starting batteries so....no problem.
2011 F-150 HD Ecoboost 3.5 V6. 2550 payload, 17,100 GCVWR -
2004 F-150 HD (Traded after 80,000 towing miles)
2007 Rockwood 8314SS 34' travel trailer
US Govt survey shows three out of four people make up 75% of the total population
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2112
Texas
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skipnchar wrote:Marine/RV batteries ARE starting batteries so....no problem. Then why didn't ford put one in your truck? Why use a marine battery to start a diesel engine? Why pay more for less performance? A marine battery will not have as much CCA as a starting battery his size.
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pianotuna
Regina, SK, Canada
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Hi 2112,
My Marine battery has over 250 more cranking amps than the OEM starting battery that came with the RV. Size does matter. Put in the largest batteries that will fit the available space.
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2oldman
Wilson Creek WA
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2112 wrote: I go to Walmart and get whats on sale
I'm not much of a label shopper! Or quality shopper.
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zxer
Eugene
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Well glad to see we all agree ! Lol !
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2112
Texas
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Guy's, zxer just wants to start his rig.
OEM batteries are the cheapest batteries found on earth. They are to get you off the lot.
Buying name brand doesn't guarantee quality. Auto batteries for the most part are all the same. There are only a few manufactures making all of them.
How much more would an Optima provide for the price difference? He doesn't need a $250 AGM super cell to start his truck.
Marine batteries have a longer recharge rate as well. Why put that in your car or truck?
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zxer
Eugene
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I like the idea of getting the largest battery that will fit the space.
X2 of course.
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