Battery Isolator

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customcutlass92

Member - Posts: 26

Joined: July 11, 2005

Location: United States

Posted: January 05, 2006 at 1:43 AM / IP Logged

I am planning on adding the optima red top battery out of my old car into the trunk of my new one. My question is, do i need a isolator,circuit breaker, or is a wafer fuse enough? If I do need an isolator, what size? I have found some that look like simple relays and some that have 3 or 4 posts. Which of these is better?

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greg_jobes

Member - Posts: 36

Joined: November 09, 2005

Location: United States

Posted: January 05, 2006 at 1:55 AM / IP Logged

I'm no expert, but i belive you want to use a isolator. And i beilve the reason is so both batterys stay charged at the same level.

ssnds

Copper - Posts: 169

Joined: August 15, 2005

Location: United States

Posted: January 05, 2006 at 2:09 AM / IP Logged

Have you done the big three on your new vehicle? I woud highly suggest doing that.

Sometimes adding a second battery can cause more problems than it would actually help you out. Have you tried doing a search on here about related info? Or maybe give us some more information on what kind of system you have in your car. HU? Amps? Wiring? Car info.

SSounds

customcutlass92

Member - Posts: 26

Joined: July 11, 2005

Location: United States

Posted: January 05, 2006 at 5:33 PM / IP Logged

I have a JVC AVX1 headunit, 1 JBL BP1200.1, and a pair of CVR 12s. I have 4 ga running to the trunk. I plan on upgrading to 0 ga power wire when I get my second 1200.1 and second pair of subs. I have not done the big three yet. BTW My new car is a 2000 Impala LS with a 3.8 engine. Does anyone know if the 9C1 police package had a HO alt?

youngone

Silver - Posts: 269

Joined: September 28, 2005

Location: United States

Posted: January 06, 2006 at 1:54 PM / IP Logged

you only need a isolator if you have 2 different kinds or sized batteries in you car so one doesnt suck the other one dry. but if you have 2 of the same batteries then all you have to do is fuse them right. I'm pretty sure that is the way the batteries work together.

Want to know some good equipment- JL,Adire Audio,Mcintosh,Brax,Helix,Eclipse,JBL,RE,Dimoand Audio,Zapco, pritty much anything DYhon,Forbidden recommend

On the12volt you give some info and you get in

customcutlass92

Member - Posts: 26

Joined: July 11, 2005

Location: United States

Posted: January 06, 2006 at 10:42 PM / IP Logged

I have the stock starting battery and a Red Top right now. When I get the rest of my equipment, I will have the Red Top up front and 2 Yellow Tops in back. What size isolator do I need? Does anyone know of a HO Alt for a 2000+ Impala?

geepherder

Platinum - Posts: 3,668

This member consistently provides reliable information

Joined: October 27, 2003

Posted: January 07, 2006 at 9:07 AM / IP Logged

I'd use a 200A isolator. Do a search on here for alternators and you'll find numerous places to look.

My ex once told me I have a perfect face for radio.

ragoal12

Copper - Posts: 135

Joined: July 23, 2005

Location: United States

Posted: January 07, 2006 at 9:11 AM / IP Logged

try looking at this site.. www.alternatorparts.com he is pretty good and has some new technology stuff out there... instead of 2 yellow tops why not look at like a kintek battery or other audio style battery?? and you should use an isolator then... a stinger sr200 (200 amp) should be sufficient but they do have biggers ones that hav ethe 3 and 4 terminals on them...

youngone is right if you use to identical batteries.. ie if they were made in the same production run.. you do not need to isolate one...

S.O.B custsoms.. South Omaha, Nebraska

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Battery Isolator

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