06|Power & Surge|UPS & Solar|Utilities Victron Interface MK3-USB VIC-MK3-USB POR Sold Out The MK3-USB allows the following products to connect to a computer for configuration and firmware updates: Multi, MultiGrid, MultiPlus, MultiPlus-II, Quattro, VE.Bus BMS V2, Inverter/Charger settings in ECOmulti, EasySolar, EasyPlus, and Inverters with a VE.Bus communication port. View view