The Victron inverter/chargers have a wide range of features to suit almost any application. They combine powerful true sine wave inverters, sophisticated battery chargers and a high-speed AC transfer switch in a single compact enclosure. Grid Connected Battery Back-up With earth switching compliant with G59/3 the Victron Quattro and MultiPlus inverter/charges allow you to store excess generation from grid connected PV & wind systems during the day for use at night. 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