Victron Argodiode Battery Isolator 180-3AC - 3 Batteries - 180AMeet the Victron Argodiode Battery Isolator 180 3AC, a robust solution for multi battery systems that lets you charge up to three batteries from a single alternator without cross connecting them. It protects the starter battery from auxiliary loads, ensuring essential power is ready when you need it most. Three battery charging from one alternator: Simultaneous charging of up to three batteries without wiring them together. Low voltage drop: High