The MultiPlus is a combined inverter and charger in one package. Its features include a true sine wave inverter, adaptive charging, hybrid PowerAssist technology, plus multiple system integration features.The MultiPlus will prevent overload of a limited AC source, such as a generator or shore power connection. First, battery charging will automatically be reduced when otherwise an overload would occur. The second level will boost the output of a generator or shore side supply with power taken from the battery.