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needing help on the second battery on the back


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Posted

Hey guys, well basically I have one of those Limo batteries under my hood. Does a bit over 100aH but when I turn my volume over 20 the battery starts dipping to 12s. I went ahead and bought an XP3000 and want to wire it. I've read that if the 2 batteries are different I need an Isolator, is that true? Or should I just run a 0 gauge with 3 fuses along the way? (1 near main, 1 near secondary and 1 between and and secondary)

Thanks!

(EDIT: BTW I have upgraded my ult to a 180amp)

Posted

PLZ do research there has got to be 20 diff threads about batteries alternators etc etc

literally i see 2 or 3 of the SAME threads daily

do 5 mins of research and your questions can be answerd in greater detail there

Posted

I have but the problem is that some say use an isolator and some say use 1/0 gauge with fuses all along so this is where i dont know since i have a agm in the back and a regular in the front

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