The Victron Energy Quattro Inverter/Charger has 2 AC inputs with integrated transfer switch, 2 AC Outputs, a unique PowerAssist feature and virtually unlimited power thanks to parallel operation. Models range from 3kVA to 15kVA per module.
Similar to the MultiPlus, the Quattro is also a combined inverter and charger. Additionally it can accept two AC inputs and automatically connect to the active source. Its many features include a true sine wave inverter, adaptive charging, hybrid PowerAssist technology plus multiple system integration features such as three or split phase operation and parallel operation.