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Dual Battery Hemi

stillhere

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I've been looking into this as well and from my research the Diesel battery tray fits the Hemi. I've yet to get the parts and try to install though.
 
It will fit…but there’s a module in that location on the gas version and I don’t think there’s one on the diesel. The module would have to be moved.
 
In theory at least, you could put a marine battery in a box somewhere and connect them together to the starter battery with one of these bi- directional battery to battery chargers.

In a perfect world, a 24 volt marine battery setup for improved winter performance. ( dual aux batteries )

Something like a pair of Lifeline 31s or for really deep winter conditions - Rolls.



If you live south of I80, might be able to use a LiFe instead, but those do not charge below freezing so it takes some caution for winter areas.
 
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I have a Tractor Supply diamond plate aluminum box in my bed that is anchored down to the cargo loops with turnbuckles. I am going to end up just running a 8ga from the starter battery back there and run a 2nd deep cycle AGM with a DC to dc controller. I’m also going to be hooking up 170 watts of solar panels on the hood.
 
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