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Adding 2nd battery, how much 'better' is XS compared to say duralast platinum agm (h8/h9)
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<blockquote data-quote="hispls" data-source="post: 8768963" data-attributes="member: 614752"><p>I have had fine results with premium/platinum parts store battery brands. Better still warranty/exchange is no hassle over-the-counter at whichever chain store you buy them anywhere in the country.</p><p></p><p>Every single one of those meme brand batteries are just an expensive brand name slapped on something you can buy with a different brand name slapped on it for more or less money elsewhere. </p><p></p><p>Finally, IF you really care about keeping up with big current draw spikes AGM is not the best answer and you have to seriously over-build to keep that in check. Various flavors of lithium or Maxwell supercaps would be preferable for that, but still for practical purposes a good HO alternator + two group 31 AGM batteries should be sufficient to safely run a modern 3K amp and I would NOT over-spend on any of this stuff if I were in your shoes.</p></blockquote><p></p>
[QUOTE="hispls, post: 8768963, member: 614752"] I have had fine results with premium/platinum parts store battery brands. Better still warranty/exchange is no hassle over-the-counter at whichever chain store you buy them anywhere in the country. Every single one of those meme brand batteries are just an expensive brand name slapped on something you can buy with a different brand name slapped on it for more or less money elsewhere. Finally, IF you really care about keeping up with big current draw spikes AGM is not the best answer and you have to seriously over-build to keep that in check. Various flavors of lithium or Maxwell supercaps would be preferable for that, but still for practical purposes a good HO alternator + two group 31 AGM batteries should be sufficient to safely run a modern 3K amp and I would NOT over-spend on any of this stuff if I were in your shoes. [/QUOTE]
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Adding 2nd battery, how much 'better' is XS compared to say duralast platinum agm (h8/h9)
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