Dual Battery System Setup

[ilikeike]

Originally Posted by Doug1

I would but my research led me to a few articles that point out that the AGM batteries require a DC-DC isolator to charge to 100%. Apparently they otherwise only charge to 80% with an basic switch. Same thing with 120v chargers. You should use one designed for AGM batteries verses wet batteries.

So the agm battery in my car doesn’t charge ?