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Reeceddogg 
Copper - Posts: 329
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Posted: October 29, 2005 at 6:53 PM / IP Logged  
i done many searches on here and just want to make sure that when running multiple batteries and isolator isn't necessary, right?
Alpine Guy 
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Joined: October 18, 2003
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Posted: October 29, 2005 at 6:59 PM / IP Logged  
right, as long as you have 2 of the exact same battery's off the exact same assembly line during the same time period.
2003 Chevy Avalanche,Eclipse CD7000,Morel Elate 5,Adire Extremis,Alpine PDX-4.150, 15" TC-3000, 2 Alpine PDX-1.1000, 470Amp HO Alt.
bajaclawz71 
Member - Posts: 45
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Posted: October 30, 2005 at 12:53 AM / IP Logged  

Alpine Guy wrote:
right, as long as you have 2 of the exact same battery's off the exact same assembly line during the same time period.

Also if you are trying to use it as a backup battery than you will want to isolate them. 

KarTuneMan 
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Posted: October 30, 2005 at 1:13 AM / IP Logged  
Just get an isolator......simple. Eliminate the potential for a problem.  Come-on.........
Mad Scientists 
Silver - Posts: 380
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Posted: October 30, 2005 at 7:56 PM / IP Logged  

If you are using a second battery to run the system with the engine off, then you'd need an isolator. If you believe you need two batteries when the engine is running, then you'd need to try to match the batteries.. but I'd be curious why you'd need two with the engine running.

Jim 

Reeceddogg 
Copper - Posts: 329
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Posted: October 30, 2005 at 9:40 PM / IP Logged  
I'm not worried about playing with the system off, i can just start the car. and since i'm buying the batteries at the same time i hope they are exactly the same
Reeceddogg 
Copper - Posts: 329
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Joined: September 23, 2002
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Posted: October 30, 2005 at 9:44 PM / IP Logged  
Reeceddogg wrote:
I'm not worried about playing with the system off, i can just start the car.
sorry that's playing with the car off
Mad Scientists 
Silver - Posts: 380
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Posted: November 01, 2005 at 6:07 PM / IP Logged  

Why do you think you need multiple batteries? What are you hoping to accomplish?

Jim

Reeceddogg 
Copper - Posts: 329
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Joined: September 23, 2002
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Posted: November 01, 2005 at 8:27 PM / IP Logged  
jus want to make sure i have plenty of power for my system and it doesn't look like just any single battery will do it
bajaclawz71 
Member - Posts: 45
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Joined: September 08, 2005
Posted: November 01, 2005 at 11:53 PM / IP Logged  

Reeceddogg wrote:
jus want to make sure i have plenty of power for my system and it doesn't look like just any single battery will do it

Well the only time that you would be running your system off of the batteries is when the vehicle is off.  A second battery won't do anything for you.  You will need a higher output alternator if you run into too much current draw from your stereo.  Just as a side note a capacitor won't do much if anything either.

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