Recommend electrical to run Skar 4500

[HunterJohnson]

As title stats what do you recommend.

Currently I have a mechman 220 alt, bt 35, and two bt 20's. A pos run of 2/0 welding cable and neg run of 2/0 welding cable, big 3 done.

[CleanSierra]

As title stats what do you recommend.

Currently I have a mechman 220 alt, bt 35, and two bt 20's. A pos run of 2/0 welding cable and neg run of 2/0 welding cable, big 3 done.

Doesn't that amp have dual inputs for 1/0 gauge? I'd run 2+ and 2- for that amp.

[Hotdog]

Another run from front to back on power wire and and 2 or 3 big Batts in back like the BT120's or D3100 along that line.

[HunterJohnson]

damn there is 0 room for a bt-120, i could add it to the front tho biggest is bt-80 will fit

[HunterJohnson]

anyone else that runs 4500 in their car?

[CleanSierra]

What are you planning to run off of this 4500? Also, remind me again which vehicle you're running this in?

[Hotdog]

[HunterJohnson]

What are you planning to run off of this 4500? Also, remind me again which vehicle you're running this in?

scion tc 2 sundown Zv3 12's

[CleanSierra]

I was actually JUST coming back to the thread to edit and tell you I had found your vehicle. Singer makes a bigger alt for that car, I just emailed him about an alternator for the xB and he makes a 270A that fits in stock location on that car. To really answe your original question, I think your alt WILL work just fine with the battery under the hood. To be comfortable(if it were my vehicle) I'd want at least 2 Group 31s in the back to be able to keep up. That amp is going to ask for a LOT of amperage from your car at full tilt.

[HunterJohnson]

Yeah I think I'm going to stick with two 1500's strapped if I decide to upgrade. Doing the math for a 4500, at 13v I would need 549.45AH's, even with my 220 alt I would need around 362.45 AH in battery reserve.

Strapping two 1500's at 13v will only require 384.6AH my alt will bring that number down to 195, and a bt 120 and 2 BT-20's will be nearly a perfect match.