Wiring two batteries

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Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=36210
Printed Date: May 01, 2024 at 12:36 AM

Topic: Wiring two batteries

Posted By: bagged95bird
Subject: Wiring two batteries
Date Posted: July 26, 2004 at 2:51 PM

Ok, i have my front battery ran to a 100amp circuit breaker, which runs to the rear battery. Then the rear battery wires to a 140 amp circuit breaker which runs to a solenoid for my compressors. All ran with 4 guage wires (+ & -). My question is: which size wire is best for running two batteries, and what size breakers should i be using?

Replies:

Posted By: mj239air
Date Posted: July 27, 2004 at 9:12 PM

As for wiring size, you should probably be using at least 1/0 wiring to the back. As for the circuit breaker, that depends on the load you are carrying accross the wire. Too small and it is alway poppin, too big and you have a fire.

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