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Message: <blockquote data-quote="xluben" data-source="post: 2159680" data-attributes="member: 568852">i have a 99 honda accord with a stock alternator and a cheap battery.  my voltages seems stable (12v off, 14v idling) but i'm going to be doing the big three with 1/0 in the near future anyways.i belive the stock alternator is 80amps (i looked it up online a while back, but now i can't find it).assuming a good voltage (14v) and a high efficiency, class d amp (90%), ohm's law tells me i can only get about 1000W !!!!does this mean, i can ONLY get a 1000W, unless i upgrade my alternator?or will my battery start giving me current when the alt can't keep up (at a lower voltage)?</blockquote>

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