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<blockquote data-quote="farmer4h" data-source="post: 8684411" data-attributes="member: 678020">I have taken a left over marine stereo head unit and mounted it in a tool box to effectively create a 1980&#039;s style boom box.&nbsp; The power is supplied to the head unit with a 12 volt connection from an old lap top.&nbsp; This is working great to convert the AC to DC and run the unit.I want to put a battery in the loop.&nbsp; I have a left over 12 volt battery from a deer feeder.&nbsp; The battery is designed to be charged with a solar panel.I really don&#039;t know what I&#039;m doing but I am willing to learn.&nbsp; Any suggestions?&nbsp; Can I wire the battery in parallel and just let it charge and discharge on it&#039;s own?&nbsp; Do I need an under voltage cut off like this to protect the battery:&nbsp; <a href="https://www.amazon.com/gp/product/B07B49T4DQ/?tag=caraudiocom-20" target="_blank">https://www.amazon.com/gp/product/B07B49T4DQ/?tag=caraudiocom-20</a>Do I need a charge controller like this to charge the battery?&nbsp; <a href="https://www.amazon.com/gp/product/B07415C9VJ/?tag=caraudiocom-20" target="_blank">https://www.amazon.com/gp/product/B07415C9VJ/?tag=caraudiocom-20</a>Any ideas would be appreciated.Farmer4H</blockquote>

[QUOTE="farmer4h, post: 8684411, member: 678020"] I have taken a left over marine stereo head unit and mounted it in a tool box to effectively create a 1980's style boom box. The power is supplied to the head unit with a 12 volt connection from an old lap top. This is working great to convert the AC to DC and run the unit. I want to put a battery in the loop. I have a left over 12 volt battery from a deer feeder. The battery is designed to be charged with a solar panel. I really don't know what I'm doing but I am willing to learn. Any suggestions? Can I wire the battery in parallel and just let it charge and discharge on it's own? Do I need an under voltage cut off like this to protect the battery: [URL]https://www.amazon.com/gp/product/B07B49T4DQ/?tag=caraudiocom-20[/URL] Do I need a charge controller like this to charge the battery? [URL]https://www.amazon.com/gp/product/B07415C9VJ/?tag=caraudiocom-20[/URL] Any ideas would be appreciated. Farmer4H [/QUOTE]

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