Multiplus InverterCharger 24VDC - 3000VA - 70AMP Battery Charger - 50AMP Transfer Switch UL LISTEDFeaturesMultifunctional -The MultiPlus, as the name suggests, is a combined inverter and charger in one elegant package. Its many features include a true sine wave inverter, adaptive charging, hybrid PowerAssist technology, plus multiple system integration features.Unique PowerAssist feature - The MultiPlus will prevent overload of a limited AC source, such as a generator or shore power connection.