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 > Any problem using deep cycle marine batteries for starting ?

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zxer

Eugene

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Posted: 06/20/12 06:46pm Link  |  Quote  |  Print  |  Notify Moderator

?

wolfe10

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Posted: 06/20/12 07:01pm Link  |  Quote  |  Print  |  Notify Moderator

You need to tell us a little more-- don't know if you are starting a Toyota PU or Caterpillar C15.

And, I use Optima batteries for starting. They are not "compromise" batteries like marine batteries are. They give max CCA's for their size.

For our Caterpillar, I use two group 78/34 for a total of 1,600 CCA.


Brett Wolfe
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rvrepairnut

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Posted: 06/20/12 07:04pm Link  |  Quote  |  Print  |  Notify Moderator

zxer wrote:

?

no problem at all

2112

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Posted: 06/20/12 07:07pm Link  |  Quote  |  Print  |  Notify Moderator

A marine battery is not a 'deep cycle' battery. I start my V6 chevy block mercruiser with one every chance I get and works every time.

* This post was edited 06/20/12 07:14pm by 2112 *


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pianotuna

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Posted: 06/20/12 07:08pm Link  |  Quote  |  Print  |  Notify Moderator

Hi,

I've been using all Marine batteries since May of 2009 for both house and starting.


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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Posted: 06/20/12 07:13pm Link  |  Quote  |  Print  |  Notify Moderator

It's for my Holiday Rambler with a Cummins turbo diesel.
There are two starting batteries, they are four years old and they are marine deep cycle batteries. I am going to replace them before I go on a long trip in a month or so, and was wondering if I should get the same. These batteries always go dead after sitting for a week or two, but they've always charged back up.

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Posted: 06/20/12 07:15pm Link  |  Quote  |  Print  |  Notify Moderator

2112 wrote:

A marine battery is not a 'deep cycle' battery. I start my V6 chevy block mercruiser with one every chance I get and works every time.


Okay, I always assumed any marine was a "deep cycle".

2112

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Posted: 06/20/12 07:18pm Link  |  Quote  |  Print  |  Notify Moderator

If they are going dead in a week or two there is a load on them. They should be able to sit for a few months after fully charged and still have plenty of chanking amps left. But after 4 years maybe they're shot.
Are these your house batterys as well? Do you boondock any?

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Posted: 06/20/12 07:22pm Link  |  Quote  |  Print  |  Notify Moderator

No, these are just the starting batteries.

2112

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Posted: 06/20/12 07:26pm Link  |  Quote  |  Print  |  Notify Moderator

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.

On Edit: Your engine and starter motor will be happier with a starting battery as well. It will provide a higher current and voltage to the starter and the engine will spin over faster.

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