Ok, Front battery, BatCap 800, Optima Yellow in the back.

[XylerB 10+ year member]

Ok, trying to figure out exactly what im gonna need for this. Help please

Front battery 1/0 to BatCap 800 up front or in back? Does it need to be fused?

BatCap to Optima Yellowtop, Does it need to be fused on Batcap End again? and on the Optima Yellowtop Side?

So... 2 fuse holders or 3. Also, if your running 2 IA 20.1's (havent decided yet if im running 1 or 2, and another 400-800 on highs, what type of fuses am I gonna need running from front to back? Or will 250amp work since the amps will be hooked to the battery in the back?

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[iceteebone 5,000+ posts]

i'd get rid of the batcap. kinda defeats the purpose of a second battery, on;y the second battery is better

 

[XylerB 10+ year member]

But I could put the BatCap after the 2nd battery in the back only on the IA's right?

 

[iceteebone 5,000+ posts]

imo it's just useless. i'd just run the second battery, but i have a genuine dislike for any for of stiffening capacitor

 

[XylerB 10+ year member]

Bump cuz questions regarding fusing and how big of fuses I would need werent answered!

 

[iceteebone 5,000+ posts]

fuse at each battery according to wire size so a 200-250 amp fuse at each battery will do