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<blockquote data-quote="Doxquzme" data-source="post: 8893115" data-attributes="member: 689267">I have a 500amp smart isolator though it is not needed as the GlowVoltage and regular batteries charge at basically the same rate. It&#039;s also really overkill for what you need, by a longshot. I&#039;d recommend doing a big 3 upgrade, make sure you have very good OFC heavy gauge (4 gauge or better) power/ground wiring and then if you still think you need a 2nd battery, this would be fine. [URL unfurl=&quot;true&quot;]https://www.amazon.com/dp/B07P686S79/?tag=caraudiocom-20[/URL]Or[URL unfurl=&quot;true&quot;]https://bigjeffaudio.com/products/b-stock-ioxus-12v-group-31-smart-power-bluetooth-car-audio-ultra-capacitor[/URL]I have an isolator because initially I was to use a different type of lithium bank which had substantially different charging voltages, not the case with an AGM or the GLoweVoltage.It is convenient for disengaging the system from the primary battery should I want to do that, just a touch of a button so if you must.[URL unfurl=&quot;true&quot;]https://www.amazon.com/dp/B084VTXN9B/?tag=caraudiocom-20[/URL]</blockquote>

[QUOTE="Doxquzme, post: 8893115, member: 689267"] I have a 500amp smart isolator though it is not needed as the GlowVoltage and regular batteries charge at basically the same rate. It's also really overkill for what you need, by a longshot. I'd recommend doing a big 3 upgrade, make sure you have very good OFC heavy gauge (4 gauge or better) power/ground wiring and then if you still think you need a 2nd battery, this would be fine. [URL unfurl="true"]https://www.amazon.com/dp/B07P686S79/?tag=caraudiocom-20[/URL] Or [URL unfurl="true"]https://bigjeffaudio.com/products/b-stock-ioxus-12v-group-31-smart-power-bluetooth-car-audio-ultra-capacitor[/URL] I have an isolator because initially I was to use a different type of lithium bank which had substantially different charging voltages, not the case with an AGM or the GLoweVoltage. It is convenient for disengaging the system from the primary battery should I want to do that, just a touch of a button so if you must. [URL unfurl="true"]https://www.amazon.com/dp/B084VTXN9B/?tag=caraudiocom-20[/URL] [/QUOTE]

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