battery isolator

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joey2714

Member - Posts: 39

Joined: July 27, 2005

Location: United States

Posted: November 13, 2006 at 3:19 PM / IP Logged

I have a 2006 ford explorer, i have 4000 watts RMS running through the stereo, and im going to add two kinetik 2000 power cells to the trunk. i have a 300 amp fuse under the hood. i was going to add an isolator, but i cant find one above 200 amps. what size do i need? and where can i get it? thanks

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haemphyst

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Joined: January 19, 2003

Location: Michigan, Bouvet Island

Posted: November 13, 2006 at 5:39 PM / IP Logged

Do you have a 300A alternator? If not, all you have to do is make certain your isolator is rated at more than the alternator. If you have not upgraded your alternator, and you are still running a stocker, the 200A isolator will do fine.

It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

normalicy

Member - Posts: 48

Joined: March 14, 2002

Location: United States

Posted: November 16, 2006 at 10:56 AM / IP Logged

Yeah, 200A is fine. If necessary, you can get 2 & run them in parallel.

What is normal anyway???

kymadan

Member - Posts: 39

Joined: March 25, 2006

Location: United States

Posted: November 17, 2006 at 3:01 AM / IP Logged

Does the Isolator have to be rated higher than the alternator? What if I have an 80 Amp alternator, and I get an 80 Amp Isolator? Will that be okay?

haemphyst

Platinum - Posts: 5,054

Joined: January 19, 2003

Location: Michigan, Bouvet Island

Posted: November 17, 2006 at 6:07 AM / IP Logged

Doesn't allow much leeway... If you have an 80A alternator, I'd step up (for the extra $1.50) to a 100A isolator model.

It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

kymadan

Member - Posts: 39

Joined: March 25, 2006

Location: United States

Posted: November 17, 2006 at 11:28 AM / IP Logged

Makes sense, it's just that I found an 80 Amp isolator for really cheap. Now I gotta check out the 100 Amp isolators.

jpease

Member - Posts: 9

Joined: November 01, 2006

Location: United States

Posted: November 17, 2006 at 2:59 PM / IP Logged

rookie question what are the benefits in having an battery isolator?

normalicy

Member - Posts: 48

Joined: March 14, 2002

Location: United States

Posted: November 17, 2006 at 5:47 PM / IP Logged

Mainly, it keeps the main battery that runs the car seperated from the stereo's battery so that if you run it down, it won't drain the car's battery.

What is normal anyway???

aznboi3644

Gold - Posts: 2,600

This member consistently provides reliable information

Joined: May 01, 2006

Location: United States

Posted: November 17, 2006 at 10:45 PM / IP Logged

Um...there aren't really any benefits...it helps keep the main battery under the hood charged if you're playing the system without the engine running. It won't add any power to the system

jpease

Member - Posts: 9

Joined: November 01, 2006

Location: United States

Posted: November 17, 2006 at 11:02 PM / IP Logged

thanks!

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