The Victron Energy Multiplus is a powerful compact 12-Volt 3000VA 120 amp 120V true sine wave inverter and a sophisticated battery charger with adaptive charge technology. With the unique Power Assist feature the MultiPlus will prevent overload of a limited AC source, such as a generator or shore power connection In the event of a grid failure, or when shore or generator power is disconnected, the inverter is activated fast, within 20ms, and takes over the supply to the connected loads. Up to 6 MultiPlus units can operate in parallel to achieve virtually unlimited power, Three phase or split phase operations are also possible. When coupled with a Victron GX device (Sold separately) you can monitor and control your Multiplus and system remotely via the internet from anywhere in the world.