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Wiring, Electrical & Installation
Good battery for a 5k install w 320 amp alternator?
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<blockquote data-quote="hispls" data-source="post: 8736665" data-attributes="member: 614752"><p>All of the marketing I have seen from any of those folks seems like a lot of snake oil, magic beans, and pixie dust. As far as lithium goes they charge a high premium to put off-the-shelf Chinese cells in a pretty case then over-promise on how much amplifier power they can support.</p><p></p><p>I went round and round in circles trying to get honest answers from all those clowns before opting on just building my own lithium banks. </p><p></p><p>Right now I would not bother with LiFePO4 unless you're getting a really good price on some c-max cells and building your own bank. LTO is just superior in nearly every way for our purposes. Yes, you can probably mix and match with AGM and you may still get acceptable lifespan from your batteries but I would not recommend as they will not want to rest at the same voltage and one will always be parasitic off the other. 40AH trying to power a 5000W amp (I thought you were running an 8k?) is really pushing your luck though. Depending on your install and listening habits it might be adequate but you could just as easily put yourself into a position where you're using that battery at it's absolute max limits.</p><p></p><p>Lasly your 350A or whatever alternator will not put out anything near what you think it will outside of a test bench in optimum conditions. I'd consider that a "peak power" rating until proven otherwise.</p></blockquote><p></p>
[QUOTE="hispls, post: 8736665, member: 614752"] All of the marketing I have seen from any of those folks seems like a lot of snake oil, magic beans, and pixie dust. As far as lithium goes they charge a high premium to put off-the-shelf Chinese cells in a pretty case then over-promise on how much amplifier power they can support. I went round and round in circles trying to get honest answers from all those clowns before opting on just building my own lithium banks. Right now I would not bother with LiFePO4 unless you're getting a really good price on some c-max cells and building your own bank. LTO is just superior in nearly every way for our purposes. Yes, you can probably mix and match with AGM and you may still get acceptable lifespan from your batteries but I would not recommend as they will not want to rest at the same voltage and one will always be parasitic off the other. 40AH trying to power a 5000W amp (I thought you were running an 8k?) is really pushing your luck though. Depending on your install and listening habits it might be adequate but you could just as easily put yourself into a position where you're using that battery at it's absolute max limits. Lasly your 350A or whatever alternator will not put out anything near what you think it will outside of a test bench in optimum conditions. I'd consider that a "peak power" rating until proven otherwise. [/QUOTE]
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Good battery for a 5k install w 320 amp alternator?
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