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» Termpro Audio Forum » Component Specific Topics » Alternators, Batteries, Interconnects » Isolator Question

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Author Topic: Isolator Question
Brutal Bass
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If I have a 120 amp battery isolator and a 175 amp alternator . Will the alternator be to much for that alternator.

Second question: I have a triple cell tractor battery from interstate to run as my second battery and a optima yellow top as my battery up front any issues with that with the two types of batteries

What one is better to use, a switching solenoid or a isolator, whats the pros and cons.

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2 APXX 15's
1 Atomic 5000.1
Iraggi 300amp Alternator
5 batteries
150.1 at 30hz.
Posts: 1594 | From: Thunder Bay, Ontario | Registered: Apr 2003  |  IP: Logged | Report this post to a Moderator
Maulkar
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You'll need at least a 175amp isolator. 185 to be safe.

The isolator or solenoid will let you use the 2 different batts.

I'm not sure which is better, but I've read on here high current relays are the way to go.

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http://members.sounddomain.com/maulkar

99 Ford Ranger standard cab
Clarion DRX8676z
1 DD Audio 9512
U.S. Amps 4000x
Posts: 981 | From: Houston, Tx | Registered: Sep 2000  |  IP: Logged | Report this post to a Moderator
Brutal Bass
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Member # 12409

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Thanks for the reply. I'm going to switch to a 200amp relay from stinger. As I've also read that you get a .7v drop when using an isolator which isn't much but you know more voltage the better.

--------------------
2 APXX 15's
1 Atomic 5000.1
Iraggi 300amp Alternator
5 batteries
150.1 at 30hz.
Posts: 1594 | From: Thunder Bay, Ontario | Registered: Apr 2003  |  IP: Logged | Report this post to a Moderator
   

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