I have an aluminum hull boat and due to being an aluminum hull the DC system is completely isolated from the hull (engine negative is only connected to hull during cranking) A leak meter is installed which will indicate if there is a connection between hull on either the positive or negative of the DC system (indicating risk of corrosion). This question is regarding the plan to install a Quattro (or Multiplus) Inverter/Charger. Is the DC negative isolated on the Quattro from the AC ground and Chassis such that I can maintain my DC battery negative isolation from my hull? Thank you for any input.