Please answer car audio/powering electronics?

10-18-2007

If i use a battery with 875 cold cranking amps and 1000 amps total for a 4000 watt system with 1/0 AWG wire with a 3.0
capacitor do i need to upgrade alternators if so im trying to go cheap what amp alternator should i get? and its the right cap its for systems between 3000-5000 watts. I have every thing allready exept for the alternator I wanted to know if i had to upgrade? if not then im good.

EagleAutosports · 05-03-2008

I'd suggest upgrading anyway, be a good idea because that system is going to work that charging system. The 875CCA for the battery doesn't have anything to do with the charging system, that's the starting system. A stock alternator would get overworked with such a system.

10-18-2007	#1 (permalink)
devin Guest Posts: n/a	Please answer car audio/powering electronics? If i use a battery with 875 cold cranking amps and 1000 amps total for a 4000 watt system with 1/0 AWG wire with a 3.0 capacitor do i need to upgrade alternators if so im trying to go cheap what amp alternator should i get? and its the right cap its for systems between 3000-5000 watts. I have every thing allready exept for the alternator I wanted to know if i had to upgrade? if not then im good.

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05-03-2008	#2 (permalink)
EagleAutosports Site Administrator Join Date: Apr 2008 Location: Mebane, North Carolina, USA Posts: 229	I'd suggest upgrading anyway, be a good idea because that system is going to work that charging system. The 875CCA for the battery doesn't have anything to do with the charging system, that's the starting system. A stock alternator would get overworked with such a system.