Victron Argodiode Battery Isolator 140-3AC - 3 Batteries - 140A [ARG140301020R]Argodiode Battery Isolator 140 3AC 3 Batteries 140A Argodiode Battery Isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries. Discharging the accessory battery for example will not result in also discharging the starter battery. Low voltage drop due to the use of high efficiency Schottky diodes. The Argo Battery Isolators feature a low voltage drop thanks to the use of Schottky diodes: at