06|Power & Surge|UPS & Solar|Utilities Victron Interface MK3-USB Cable | VIC-MK3-USB VIC-MK3-USBPOR Sold Out The Victron Interface MK3-USB is essential for configuring and updating Victron inverters and chargers via a computer. Supporting VE.Bus communication, it allows seamless firmware updates, parameter adjustments, and diagnostics for MultiPlus, Quattro, and Phoenix inverters. View