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<blockquote data-quote="Papermaker85" data-source="post: 8532167" data-attributes="member: 572595">i have a 220 amp alt with one red top(1kcca) and i haven&#039;t even done the big 3 yet because i hate doing anything car audio now. I don&#039;t EVER with lights running AC blasting stereo up full tilt drop past 13.2 and it just right back up cause the lack of capacitance in the circuit.. while i don&#039;t care to have battery as a primary supply because of the lower supply voltage its perfectly acceptable but you better have a **** ton of battery power and AH isn&#039;t the only spec to look for. ah is a output vs time rating under ideal situations you wont see in real life cituations.. ESR or the pates resistance is very important. to high of An ESR your going to get a poor discharge rate which wreaks havoc on the amp and powersupply.i ALWAYS recommend having 100 amp alt for 1000 watts. its accurate enough to be safe. otherwise your looking at a **** ton of batteries to power 8kw.. i&#039;m talking at least a dozen with a 200 amp alt..</blockquote>

[QUOTE="Papermaker85, post: 8532167, member: 572595"] i have a 220 amp alt with one red top(1kcca) and i haven't even done the big 3 yet because i hate doing anything car audio now. I don't EVER with lights running AC blasting stereo up full tilt drop past 13.2 and it just right back up cause the lack of capacitance in the circuit.. while i don't care to have battery as a primary supply because of the lower supply voltage its perfectly acceptable but you better have a **** ton of battery power and AH isn't the only spec to look for. ah is a output vs time rating under ideal situations you wont see in real life cituations.. ESR or the pates resistance is very important. to high of An ESR your going to get a poor discharge rate which wreaks havoc on the amp and powersupply. i ALWAYS recommend having 100 amp alt for 1000 watts. its accurate enough to be safe. otherwise your looking at a **** ton of batteries to power 8kw.. i'm talking at least a dozen with a 200 amp alt.. [/QUOTE]

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