Victron Energy MultiPlus Compact 12/2000/80-150 120V VE.Bus UL Approved One Size. Its many features include a true sine wave inverter adaptive charging hybrid PowerAssist technology plus multiple system integration features. Unique PowerAssist FeatureThe MultiPlus will prevent the 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 shoreside supply with power taken from the battery. Uninterrupted AC Power (UPS Function)In the event of a grid failure or when shore or generator power is disconnected the inverter within the Multi is automatically activated and takes over the supply to the connected loads. This happens so fast (less than 20 milliseconds) that computers and other electronic equipment will continue to operate without disruption. Package Contents: Victron Energy MultiPlus Compact 12/2000/80-150 120V VE.Bus UL Approved Victron Energy CMP122200102: MultiPlus Compact 12/2000/80-150 120V VE.Bus UL Approved One Size