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How much battery ah is needed.


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Posted

I'm about to buy a crescendo bc5500 and a ascendant audio team series 18" I'm still on my stock alt. I've got 480ah would I be able to pay this very long or no? If not what would I need? Alt will be coming eventually, but they are 800 bucks for my car..... any thoughts?

Posted

That amp would draw somewhere in the neighborhood of 500 amps at full tilt. You would need a lot bigger battery bank to keep it running for any amount of time. Without a bigger alt i think you will be very disappointed.

Posted

04 Mitsubishi eclipse. How much bigger battery bank? 8 crescendo hpl120's? I've got 4 right now

Posted

I was running a encore 4.5k on 420ah and it did pretty good voltage would really start dropping after about 20-30 mins.

Posted

How much is your stock alt putting out and what size alt are you getting?

Posted

DC power 320amp alt is what I'm getting amd I'm pretty sure my stock one is around 140amp

Posted

04 eclipse probably under 100amps , keep adding batteries till your lights stop dimming , I'd start with 6 , still need H.O. or all for nothing.

2022 Ford Maverick on 22’s                                                                                                                                          Skar SK1500.1 on 4 Skar VD-8’s                                                                                                                       Mids Sundown Super tweeters, Skar TX 6.5 components on Skar SKM400.4                                                 LC2 for audio control  , XS Power D680 XS Series Extra Battery 

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