battery in the trunk

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=21086
Printed Date: May 09, 2025 at 11:21 AM

Topic: battery in the trunk

Posted By: tee17
Subject: battery in the trunk
Date Posted: November 06, 2003 at 11:37 AM

can i buy another battery and put it in my trunk so that my amp can run from that battery? if so do i need to do anything special to get the battery to give off power to the amp?

Replies:

Posted By: fuseblower
Date Posted: November 06, 2003 at 11:40 AM

It may be easier to upgrade your alternator and battery under the hood. If you want to put a battery in your trunk you will need a dry cell that does not require ventalation or a custom set-up that would protect your vehicle from battery acid and yourself from battery fumes.

Posted By: DYohn
Date Posted: November 06, 2003 at 1:43 PM

Adding a second battery is possible. HERE is a good description of the basic theory and how to do it. Realize this is only for listening to your system with the car off. For normal listening, the only good solution if you need more power is a high-output alternator.

Posted By: forbidden
Date Posted: November 06, 2003 at 1:46 PM

See the reply I gave to cap question from a newbie.

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