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<blockquote data-quote="Fi-brations" data-source="post: 7506337" data-attributes="member: 636442">Im going to be going from running 1300watts for subs and 200 watts for my comps, to running 3000watts for my subs, same for comps, im going to run 1/0 gauge for the power and grounds of the amps, and the battery ground. Im going to get a HO alternator and battery(ies). What amp alternator should i get, ive been told somewhere around 200A-220A. Ive also been told to get two group 31 batteries, but if i can i would much rather get one, then spend 800 on batteries alone. So could i use my stock battery for everything besides my system, and use the group 31 one for my system? or would it be better to use them both for my system and everything else(im not really sure how multiple batteries work sorry) my stock battery is pretty large, the only spec i have on it is that it has 1000 cranking power.So, basically, what size alternator to run 3kwatts, and how many and what size batteries can i get away with?</blockquote>

[QUOTE="Fi-brations, post: 7506337, member: 636442"] Im going to be going from running 1300watts for subs and 200 watts for my comps, to running 3000watts for my subs, same for comps, im going to run 1/0 gauge for the power and grounds of the amps, and the battery ground. Im going to get a HO alternator and battery(ies). What amp alternator should i get, ive been told somewhere around 200A-220A. Ive also been told to get two group 31 batteries, but if i can i would much rather get one, then spend 800 on batteries alone. So could i use my stock battery for everything besides my system, and use the group 31 one for my system? or would it be better to use them both for my system and everything else(im not really sure how multiple batteries work sorry) my stock battery is pretty large, the only spec i have on it is that it has 1000 cranking power. So, basically, what size alternator to run 3kwatts, and how many and what size batteries can i get away with? [/QUOTE]

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