Battery drain Problem

[alotofbang 10+ year member]

Ok ive been looking at a few threads and seen either a deep cycle battery of a Cap to solve Battery drain problems

I have a 120 amp alt and a 750 CC 875 CA battery im just pushing a 1200 watt brutus the only problem is at nite when i come to a stop my voltage goes from around 15 all the way to 12 wht should i do upgrade to a deep cycle battery, add a cap or get a HO altenator.

Im really stumped because i was thinking that the alt would put out enough power for this system.

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[Bobby322 10+ year member]

I have had this same problem. I think its just cause I have an old ass car (73 duster). When my lights are on, sometimes my system will shut off. Even if I hit the brakes or turn siginal it will cut out. Thinking I need a cap.

 

[TurdFergueson2 5,000+ posts]

NO need for a cap. Search here on how to do the big 3 upgrade and maybe get a bigger/better battery up front.

 

[alotofbang 10+ year member]

Yeah im thinking it could be the engine to I have a 383 small block in a chevy caprice

 

[alotofbang 10+ year member]

I ve been looking at the threads for deep cycle batteries which brands are better are compare to the optima brand

 

[Bruizer 10+ year member]

Odyssey, Stinger, Kinetik, Batcap, Powermaster, DieHard Platinum...