Anyone here have a second battery? - Mazda 6 Forums : Mazda 6 Forum / Mazda Atenza Forum
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post #1 of 7 (permalink) Old 11-05-2005, 09:47 AM Thread Starter
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I was considering installing a second battery in my car, with the many electronics I have in there right now.

I have:
5 TV's
1 JL 500/1 Amp
1 JL 300/4 Amp
2 Farad cap
Neons underbody
Neons under dash and seats
strobe lights
component audio system
LED in a/c vents, cup holder, door handles.
Neons in trunk
Angel eyes

Soon: HID's

I had my car at a show and without thinking left the car on. Of course, it dies after 2 hours, and this was without the two amps (i had one Audiobahn then), angel eyes, HID's, trunk, etc.

So I've decided to get a second battery. Question is, exactly HOW, or even if it is necessary. Of course, I dont use my interior neons, turn system up all the way, strobes, have TV's on much. Only at meets, shows, or just to show off

I've done some reading and just want to know what you guys think, opinions?

Also, how "strong" is our stock alternator?

Thanks members.

-Pathik

Updated 2/4/2011: GI/FS EVERYTHING: ATP FULL GT3071R Turbo Kit w/downpipe, 3" intake, DNP manifold w/TiAL 38mm EWG, CP-E HPFP, Magnaflow 3" Catback, SU MM, NEW Metra Dash Kit, Center Gauge Pod w/ AEM AFR, Autometer OP/Boost Gauges, Pioneer F90BT, KSport Coilovers, TWM Stage 1 SS, AE FULL Lip Kit Painted Black (front is cracked, fixable), Cobb AccessPORT, TEIN S Techs, more..

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post #2 of 7 (permalink) Old 11-05-2005, 11:21 AM
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what kind of battery are you currently running? is it what came from the factory? if it is, then that defenitely needs to be changed. some people like to run a seperate smaller battery for all of their components, but others like one bigger battery able to handle all of that. i think the bigger batteries are called optima red top. they're not cheap, but they get the job done. i believe you can buy them at wal-mart even.

what about grounding out your alternator? that might be a cheaper way of getting more umph. personally, i would ground the alternator first, then if that doesn't work i would go with one of the red top batteries. if you don't like red tops, i think they have different color tops, also.
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post #3 of 7 (permalink) Old 11-05-2005, 12:13 PM Thread Starter
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I have a red top optima already. Sorry, forgot to mention.

Updated 2/4/2011: GI/FS EVERYTHING: ATP FULL GT3071R Turbo Kit w/downpipe, 3" intake, DNP manifold w/TiAL 38mm EWG, CP-E HPFP, Magnaflow 3" Catback, SU MM, NEW Metra Dash Kit, Center Gauge Pod w/ AEM AFR, Autometer OP/Boost Gauges, Pioneer F90BT, KSport Coilovers, TWM Stage 1 SS, AE FULL Lip Kit Painted Black (front is cracked, fixable), Cobb AccessPORT, TEIN S Techs, more..

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post #4 of 7 (permalink) Old 11-05-2005, 03:32 PM
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i don't think you need a second battery, maybe swap the red top out for a yellow. my previous systems i only had a second battery once and it was unnecessary. i had a yellow top under the hood running a much larger system than you, from a crossfire 1000d to an earthquake 200dhc. yellow top is the deep cycle, it is designed to be used in large current draw applications where it may drain down to almost nothing. maybe look at an alternator upgrade in the future

no more 6
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post #5 of 7 (permalink) Old 11-06-2005, 12:32 AM Thread Starter
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I was working on the trunk today and decided to remove one TV for now... make room for my 2 amps in the fiberglass trunk... decisions decisions haha.

So that should help

I think the Rep Top will suffice, maybe an alternator upgrade in the future, yeah.

What about shows? Exactly how to they keep their cars running for like 8 hours? Something about plugging your car to the ground, not sure....?

Thanks for the input guys, appreciate it.

Updated 2/4/2011: GI/FS EVERYTHING: ATP FULL GT3071R Turbo Kit w/downpipe, 3" intake, DNP manifold w/TiAL 38mm EWG, CP-E HPFP, Magnaflow 3" Catback, SU MM, NEW Metra Dash Kit, Center Gauge Pod w/ AEM AFR, Autometer OP/Boost Gauges, Pioneer F90BT, KSport Coilovers, TWM Stage 1 SS, AE FULL Lip Kit Painted Black (front is cracked, fixable), Cobb AccessPORT, TEIN S Techs, more..

Please PM me for the above items, gauging interest.
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post #6 of 7 (permalink) Old 11-07-2005, 11:15 AM
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From what I have seen, some people run on an AC to DC inverter. That may be option for you.
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post #7 of 7 (permalink) Old 11-09-2005, 05:37 PM
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I got my second battery today (yellow top) and a cap for the system.
I'm running 4 amps and three 12''
More than sufficient.


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