battery question

[dvldogyut 10+ year member]

i am in need of another battery, i think. i am going to be running 2/0 power cables, to a distro box then slpit it to two ed nine.1's, pushing four incriminator 187 series 12's. i have never bought another battery for a setup before and need some advise on what i am looking for in a battery. if i run another batt im going to run two cables one pos and one neg to the rear batt, then the amps off the rear batt, and grounded back to the batt. if this helps.

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