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Message: <blockquote data-quote="KTMrida4life" data-source="post: 7576618" data-attributes="member: 637865">Yes, extra batteries do the same job as some sort of super capacitor.. which is why they're recommended instead of a cap.Not sure about putting more strain on the alt.. but I do know that if your pulling too much current from your alt without enough reserve power (from batteries) you will fry it. I wouldnt think an alt having to keep a second battery charged would hurt it since it would be more of a trickle charge unless you let it go totally dead.Im kinda in this same boat myself, Im upgrading from 500W rms to something like 1700W rms, I have a high output alt and am about to do the big 3 upgrade, just not sure what kind of voltage drop I will be seeing. Hopefully none... we'll find out how good my ebay alternator guy actually is.</blockquote>

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