School me on batteries

x91evo
10+ year member

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I am going down to 12V (14V charging) system from a 14V (16.5V charging).

I need a solution for the most cost efficient batteries for 2000-3000RMS.

Car is set up for SPL but will mostly see music everyday. So I need the car to be reliable even in -20 degree or less Chicago winter lol

Looking for a suggestion for a primary charging with a Mechman 320A.

Also how many/what secondary batteries.

On 14V my only choice was the D1400s so it didnt take much thinking ha

AGM batteries pretty much have to stay with other AGM batteries right?

 
More amplifier options for less money.

My mojo 4000 was stolen and it loved 16.5 charging, but its hard to find amps for lesser price that can handle it.

 

---------- Post added at 02:35 AM ---------- Previous post was at 02:34 AM ----------

 

And Im pretty sure it damaged my car PCM even though Mechman told me I would be fine.

EDIT: I want to charge at 14V (12V system resting)/

What I am coming down from is 16.5V charging (14V system resting)

 
Well 2 of the batteries in the trunk got stolen along with my amp.

And 3400s are $260 a piece. I cant afford that.

Im wondering if I should stay AGM, or if there is something else I could do with the money.

I.e 5 group 31s? I have no idea thats why I am asking

 
1 battery for 3000 RMS really?

Figure its around 5000-6000 Max power.

 

---------- Post added at 12:46 PM ---------- Previous post was at 12:45 PM ----------

 

deka g31 batteries look pretty good

 
1 battery for 3000 RMS really?Figure its around 5000-6000 Max power.

 

---------- Post added at 12:46 PM ---------- Previous post was at 12:45 PM ----------

 

deka g31 batteries look pretty good
There's 105ah batts 70$ at menards right now

 
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x91evo

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