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Message: <blockquote data-quote="Casb0n" data-source="post: 8096234" data-attributes="member: 644750">My 2 year warranty battery lasted 3 years and finally died. I went to the auto parts store to get a new one, and the guy there saw my subwoofer power cable and told me that it would be a lot better on the electrical system if I got a battery to put in the back. I told him that I only had a 350 watt rms subwoofer amp with a 30 amp fuse and he still said I should get another battery. Does this sound correct? 30 amps is barely more than the cigarette lighter fuse...By the way, my car has a 110 amp alternator I believe.</blockquote>

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