HUMBOLDT_knock Posted March 1, 2008 Report Share Posted March 1, 2008 I have two optima yellow tops for my audio system with a 5 farad cap and 140 amp alt. I am still getting voltage drop to the point my lights dim hard and I'm only running 2500w. Someone told me that my 140 amp alt. is not enough to properly charge my optimas. I think I'm gonna step it up to an irragi 300 amp alt. but I also want to add 2 more batts. Should I keep my optimas and get two more or should I go with four new Powermaster batteries? http://www.jegs.com/i/Powermaster/713/D1200/10002/-1 Link to comment Share on other sites More sharing options...
ARMYSGT_D Posted March 1, 2008 Report Share Posted March 1, 2008 id keep the optimas doesnt matter what kind of batteries or how many if you cant charge them get the alt youll be fine current set-up kenwood ddx 712 clarion eq focal 165 k2p front focal 165v2 rear 2 re audio sexxx 12 us amps md3d us amps md42 1 optima yellow top (rear) 1 xs power 5100r (front) big 3 and 1 run 1/0 stinger wire my build my rebuild Link to comment Share on other sites More sharing options...
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