A MultiPlus, plus ESS (Energy Storage System) functionality. It combines the functions of the Multigrid and the Multiplus

The MultiPlus-II is a multifunctional inverter/charger with all the features of the MultiPlus, plus an external current sensor option which extends the PowerControl and PowerAssist function to 50A resp. 100A.  The MultiPlus-II is ideally suited for professional marine, yachting, vehicle and land-based off-grid applications.  It also has built-in anti-islanding functionality and an increasingly long list of country approvals for ESS application. Several system configurations are possible. For more detailed information see the ESS Design and configuration manual.

PowerControl And PowerAssist - Boosting The Capacity Of The Grid Or A Generator

A maximum grid or generator current can be set. The MultiPlus-II will then take account of other AC loads and use whatever is extra for battery charging, thus preventing the generator or grid from being overloaded (PowerControl function).

PowerAssist takes the principle of PowerControl to a further dimension. Where peak power is so often required only for a limited period, the MultiPlus-II will compensate insufficient generator, shore or grid power with power from the battery. When the load reduces, the spare power is used to recharge the battery.