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Message: <blockquote data-quote="winkychevelle" data-source="post: 7151277" data-attributes="member: 611804"><p>No most of the installs u sell have amps that draw 300+ amps of current try finding an alt big enough to push that amp and the car. It's cheaper to have a battery bank that can discharge the current needed and recharge during time when very little current is being pulled. Alternators don't put out ac voltage they are dc and the battery only act as a filter because Alts tend to vary voltage from 13-15 volts sometimes even more. And electronics are generally sensitive to voltage change. As far as more batts mean more power, well that's wrong because you aren't changing voltage if you add and extra battery u are only holding the same voltage longer. Unless u connect the batts In Series which is a really bad thing to do in car audio as amps don't like that high of voltage 18v max on high voltage amps 15v on normal amps</p></blockquote><p></p>

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