battery question

[SuckMikeHawk23 10+ year member]

ok, i found a great deal on optima red top batteries ($50 bucks). anyways, i was just wondering if i should run this battery to my amps, or should i take my stock battery out, replace it with my optima and run the stock battery for my system. i have a major light dimming problem. would either of these solutions work? if not, what can i do? will only the yellow top work? give me some suggestions. i really want the red top tho cuz its pretty much a steal at that price. thanks to those who reply

Click to read more...

 

[mrray13 10+ year member]

$50? i just found one today, 1 yr old, for $80. the guy selling it says that it ain't that great for car audio. he runs the stereo one store in cape and has got a pretty stereo intensive ride. anyway, his reason for getting rid of it is that it doesn't have enuff reserve capacity. he is the first person i have EVER heard say they didn't like an optima battery!!

i don't know if it will completely fix your dimming problem,now your altenator will have to charge two battery's. i think i would keep the factory battery as the start battery and use the optima has the stereo battery. it does have a higher reserve than a stock battery!

 

[SuckMikeHawk23 10+ year member]

hey, thanks for the reply, but yea, i found 8 of them for $50 each! the guy i'm getting it from was planning on putting a full system in his suburban, but ended up selling his car so he has no use for it. so what should i do now with my alternator? do i need to get a new one? what would happen if i get a cap? cuz i can get a fosgate cap for around $50 too cuz this guy i know works at best buy and gets everything for 50% off. if ur in southern california and want one of these batteries, let me know, i dont think the batteries are going anywhere anytime soon. thanks for help again.

 

[Unregistered]

First of all how many total watts are you running? What is your alternator reated at. (amp output) If your under 1000 get a 1 farad cap and over get two. I run about 1800 watts in a montero sport with two caps and get no dimming with stock battery and alternator, but my alternator is rated at 85 amps. Hope that helps. Peace

 

[mrray13 10+ year member]

yea u could cap it. it should help. if you do, use the optima with cap and factory altenator. save the stock battery for if it don't work. i think it will if your around 1000 watts or so.

here's a test, get your dmm and with the car on , several accesories on(heater,lights,etc) check your voltage at the amp. if it flux's alot, a cap will help, a new altenator would be better.of course, the cap is cheaper, give it a shot.