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<blockquote data-quote="mastershake575" data-source="post: 8495342" data-attributes="member: 665251"><p>A good aftermarket alternator and an AGM battery under the hood is a good option for 2,500-3,000 watt systems</p><p></p><p>The aftermarket alternator is the biggest factor for sure. 120A alternator might only have 70-80 amps left after the car takes what it needs to run and then you lose even more amps while the car is in idle.</p><p></p><p>I paid $450 for my alternator from Singer Alternators and it was worth every penny (does just under 200 amps at idle and 270 while driving).</p><p></p><p>If my Honda needs 30 amps to run then that's hardly an issue (plenty amps to spare). On a stock alt you don't have that luxury (your already limited from the start).</p></blockquote><p></p>
[QUOTE="mastershake575, post: 8495342, member: 665251"] A good aftermarket alternator and an AGM battery under the hood is a good option for 2,500-3,000 watt systems The aftermarket alternator is the biggest factor for sure. 120A alternator might only have 70-80 amps left after the car takes what it needs to run and then you lose even more amps while the car is in idle. I paid $450 for my alternator from Singer Alternators and it was worth every penny (does just under 200 amps at idle and 270 while driving). If my Honda needs 30 amps to run then that's hardly an issue (plenty amps to spare). On a stock alt you don't have that luxury (your already limited from the start). [/QUOTE]
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