do i have enough power supply for this?

[JoiNt- 10+ year member]

I currently have a rockford fosgate punch 1000bd on a 2 ohm 15" L7, big 3 on a 100A alternator and two duralast red top batteries my car wired with knukoncepts 4ga wire.

I want to add a second 4 ohm 15" L7 ona kicker zx1000 that will be connected to the second battery in the trunk, with what i have would i have enough power to supply this or would i actually need to rewire with knukonceptz 0 ga and upgrade my alternator to 200A?

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[jasonAz 10+ year member]

Yes, upgrade your wiring and upgrade your alternator.

 

[disturbed471985 5,000+ posts]

Yes, upgrade your wiring and upgrade your alternator.

Ummmmm is it a good idea yea maybe but its not a must... Re run with 0awg and with the 2 batts you have and ur 100amp alt you should be able to stay well into the safe voltage range..

 

[JoiNt- 10+ year member]

Alright thanks guys ill do a rerun and see how that goes, if my voltage drops too low constantly ill do the alt also

 

[disturbed471985 5,000+ posts]

Alright thanks guys ill do a rerun and see how that goes, if my voltage drops too low constantly ill do the alt also

Well redtop arent the best batts despite what the saleman may have told you. But with both of those u have Id assume atleast 100ah and a 100amp alt so I see no issues staying in 13's-12's all day. Just be sure to use all 0awg even CCA will wrk for you and cost u less.

 

[05fronty 5,000+ posts]

depends on car, my alt is 110 and i have 2 extra ups batts in back. have a aq2200 and my voltage at idle may drop.3 at full tilt.

 

[JoiNt- 10+ year member]

Well redtop arent the best batts despite what the saleman may have told you. But with both of those u have Id assume atleast 100ah and a 100amp alt so I see no issues staying in 13's-12's all day. Just be sure to use all 0awg even CCA will wrk for you and cost u less.

Yeah i noticed one of them only has about 600 warm cranking amps, the other has about 800 so i might sell them and get a kinetik hc2400, i also read that when the car is off the batteries will slowly discharge each other i dont have an isolator between them. Should i put a kill switch to seperate the batteries when i turn the car off or is it really not that big of a deal?

 

[disturbed471985 5,000+ posts]

Yeah i noticed one of them only has about 600 warm cranking amps, the other has about 800 so i might sell them and get a kinetik hc2400, i also read that when the car is off the batteries will slowly discharge each other i dont have an isolator between them. Should i put a kill switch to seperate the batteries when i turn the car off or is it really not that big of a deal?

U need to see what the AH rating is on the batts as thats what matters... Also, as long as both batts resting voltage is close then no they will not drain each other.... Also, never play radio with car turned off.