As there's a topic going one here. I'll ask the question.

I get what MB is saying about the charger putting charge into both batteries. My problem is that currently I have 2 different chemistry batteries aux is agm and starter is calcium. I know that I need to have different settings for each when charging, but when the charger is connected it's charging both as one system. Will putting an isolater in like the one pictured work. If I have it off/closed and the charger is connected to the aux it will only charge that one and when connected to the starter will only charge the starter?
Is that right..
When the starter needs to be replaced what is recommended so it will match the aux.

Thanks
Guys

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