My car/audio electrical is this:
180amp alt and 2x large gel cell AGM’s and when running my lights dont flicker and it will droop too 0v-.4v by all the meters from my cars computer and a bass control that reads it.
I just installed two amps that are twice the power my old ones had. And yes everything possible is fused. So know my electrical system needs a boost.
Buy what i read i have several solutions.
A new alternator, Which is a pita as ill have to pay to get it done.
Add a JP40 lithium cell thats all self contained with a remote and im rather sure an isolator.
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Buy a bigger lithium cell from Amazon as the are on sale.
with a dual lithium cell battery isolator.
lastly and its the easy way but mot the best imo is add another 12v agm Battery.
With all that info what do you suggest?