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Help Need A 2nd Battary

skyl1ne r33

By skyl1ne r33,
in New South Wales

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skyl1ne r33 Enthusiast

skyl1ne r33

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because the sub keeps draining all the power and i getin rather annoyed at night wen i pumping tunes and head lights flash from the power drain and can sit in town and not worry about main bat going flat. also goin 2 be putin screens and ps3 in soon.

Primordial Grand Master

Primordial

Posted
Posted

A capacitor will solve your problem with your headlights dimming. Basically its the same as the battery but is designed to release charge much faster, and is perfect for huge drains of power like when bass drains power.

Make sure that your earth connections are big enough also. Often if the earth for the amp isnt large enough and isnt grounded properly you with cause an unnecessary drain on your battery. Unless you're pulling in excess of 800w RMS then your headlights shouldnt dim unless your current battery is shit, or your wiring isnt up to scratch. Replace your current battery with a deep cycle unit - Odyssey or the like. Use 8 gauge earth wiring on your amps for anything under 800wrms... 4 gauge for anything above that...

Installing a 2nd battery should be your last resort, and you would want to upgrade your alternator to go with it or you're wasting your time really. For cheaper you could make your current system run properly.. Your car uses bugger all driving along anyway, so if you're worried about being able to sit there for a while and play PS3, you're not going to get much benefit from having a SECOND battery... beause the first battery will be almost fully charged when you stop anyway..

skyl1ne r33 Enthusiast

skyl1ne r33

Posted
  • Author
Posted (edited)
A capacitor will solve your problem with your headlights dimming. Basically its the same as the battery but is designed to release charge much faster, and is perfect for huge drains of power like when bass drains power.

Make sure that your earth connections are big enough also. Often if the earth for the amp isnt large enough and isnt grounded properly you with cause an unnecessary drain on your battery. Unless you're pulling in excess of 800w RMS then your headlights shouldnt dim unless your current battery is shit, or your wiring isnt up to scratch. Replace your current battery with a deep cycle unit - Odyssey or the like. Use 8 gauge earth wiring on your amps for anything under 800wrms... 4 gauge for anything above that...

Installing a 2nd battery should be your last resort, and you would want to upgrade your alternator to go with it or you're wasting your time really. For cheaper you could make your current system run properly.. Your car uses bugger all driving along anyway, so if you're worried about being able to sit there for a while and play PS3, you're not going to get much benefit from having a SECOND battery... beause the first battery will be almost fully charged when you stop anyway..

i just got the stock bat atm go a dry sell comein on wed the ones used in cop cars also allready have a power cap 2.5 farad runing 8mm cable i got from work i have earthed the amps in to places .

and still dose it. one earth is were the bat is earthed also earthed it 2 spare wheel bolt.

my volt meeter drops to about 9 wen hit hevey bass and sits on 13 usualy i checked allternator it is chargeing fine.

iv never had this sort of problem,i was running heaps more stuff in my old car and no problem.

Edited by skyl1ne r33
skyl1ne r33 Enthusiast

skyl1ne r33

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not same stuff all new this is why i dont under stand it. i running 1 mono block 1000watt kenwood amp,, 1 12inch dule voice sub,

1 500 wat 4 channel amp with 7x10s and 6inc and a earthqueak power cap.

its wired up good. dnt like doin shit jobs on my car.

Cassbo Grand Master

Cassbo

Posted
Posted

Seeing as you already got some cable from work, make up some cable to go from your battery to the chassis. Something like this.

image045go9.th.jpg

That is 2 x 35mm2 cables. Very much over kill for what I have, but it does the trick :P

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