Victron Quattro 5000VA, 48V inverter charger Two AC Outputs*. The main output has no-break functionality to take over supply in event of mains failure or when generator is disconnected. The second output is live only when grid or generator is connected. Three phase capability. Lithium ion battery compatible. PowerControl. A maximum generator or grid current can be set to avoid overloading the supply. PowerAssist. Allows power to be taken from the battery to support the generator or grid and power peak loads. Four stage battery charging. 5 years warranty