dry cell battery install
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=34312
Printed Date: July 07, 2025 at 10:34 PM
Topic: dry cell battery install
Posted By: raptor333
Subject: dry cell battery install
Date Posted: June 21, 2004 at 6:55 PM
Hi, I was wondering if anybody knows how to install a dry cell battery so that i can run my amps off of them. Do I need a new alternator to power 2 batteries or can I use my old one? Its on a chevy cavalier.
Replies:
Posted By: audiocableguy
Date Posted: June 21, 2004 at 8:16 PM
This is a common subject in this forum. If you are going to listen for long periods with the vehicle off, two batteries and a Contactor or Isolator makes sense. If you are going to be listening while the vehicle running, the second battery becomed a load! plus you are carring another 50 lbs of weight around. Batteries can't make energy only store it, just like a cap. The best solution is also the most expensive, A HO alternator. If you do a second batt +iso/contactor don't forget when you start your car the alt will work that much harder to charge both batteries. This will cause increased wear on your alt. Good Luck
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