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Old 09-25-2021, 01:31 AM   #1
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Default Replacing "Cummins Batteries"

My 4600 has Cummins batteries for both the genset and motors/house.

Is there any reason why I'd need to stick with Cummins batteries?

I'd rather use dedicated standard (Interstate) starter batteries and reconfigure my 12v for dedicated 31 series AGMs.

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Old 09-25-2021, 09:59 AM   #2
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I replaced the starting 8Ds with 2 Group 31s in parallel. More cranking amps and much easier to move in/out of the engine room. Plan to do the same with a few smaller deep cycle batteries when my 8D house battery needs replacing.
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Old 09-26-2021, 10:46 PM   #3
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No, there is no reason you'd need to stick with Cummins batteries.

We currently have three Victron Super Cycle batteries (12V 230Ah each).
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