Victron Argodiode Battery Isolator 140-3AC - 3 Batteries - 140AThe Victron Argodiode Battery Isolator 140 3AC charges up to three batteries from a single alternator while keeping each battery bank independent, making it ideal for vehicles or boats that rely on a dedicated starter battery and separate auxiliary power. Three battery charging from a single alternator: enables simultaneous charging of up to three batteries without interconnecting the banks. True isolation between banks: prevents accessory battery