AGM Lithium & battery delete

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Ventura139

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Jan 26, 2021
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What’s up everyone. Need help that will ultimately decide the route i take. Looking to upgrade my electrical for my 2001 GMC Yukon Denali build.

I currently have 3 optima red tops. 1 main and 2 reserve for the build. I’m deciding between 2 agm xs for the back or just 1 limitless lithium 45a. BUT do I need to do a battery delete or can I still keep my red top for the main car battery and just throw an isolator in between to keep it from sucking power when not in use.

Thanks for all the input. I live in Chicago area if that helps
 
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