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<blockquote data-quote="shizzzon" data-source="post: 4718990" data-attributes="member: 590338">You don&#039;t need 4/0 wire.I&#039;ve got 2 AQ2200ds and 1 sundown 100.4 which is more than 5000w.Your main power line that goes from your starting battery to battery bank in the back needs to be large enough to accomodate the charging power of the alternator.In my case, i used Stinger&#039;s Xpert 3/0 wire.I could have used dual 2/0 wire but i needed this wire inside the vehicle and Stinger&#039;s wire fit perfectly.Once you reach the battery bank, you have short runs of wire going from the batts to the amp(s) so then it gets easier.&nbsp; Just feed the amp with the largest gauge size it can fit.I&#039;ve 2/0 running in my AQ2200ds which i finally got to fit and 4awg for the sundown and quad 2/0 for grounds in the back.If you are wanting to go crazy and trying to prevent voltage drop of less than 0.1, it would be better to just run lots of 1/0 or 2/0 runs instead of 1 or a couple humungous runs.</blockquote>

[QUOTE="shizzzon, post: 4718990, member: 590338"] You don't need 4/0 wire. I've got 2 AQ2200ds and 1 sundown 100.4 which is more than 5000w. Your main power line that goes from your starting battery to battery bank in the back needs to be large enough to accomodate the charging power of the alternator. In my case, i used Stinger's Xpert 3/0 wire. I could have used dual 2/0 wire but i needed this wire inside the vehicle and Stinger's wire fit perfectly. Once you reach the battery bank, you have short runs of wire going from the batts to the amp(s) so then it gets easier. Just feed the amp with the largest gauge size it can fit. I've 2/0 running in my AQ2200ds which i finally got to fit and 4awg for the sundown and quad 2/0 for grounds in the back. If you are wanting to go crazy and trying to prevent voltage drop of less than 0.1, it would be better to just run lots of 1/0 or 2/0 runs instead of 1 or a couple humungous runs. [/QUOTE]

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