Combi-3 1500W~6000W/12V/24V/48V Pure Sine Wave Inverter/Charger with Intelligent Shore, Generator, Battery Power Management and Control for Strongest Power Bckup Support Features: -As pure sine wave inverter for all purposes -As PFC battery charger for typed battery -Automatic bypass function -Uninterrupted AC power (UPS function) -Continuous output power without derating (< 70°C) -PowerControl - Dealing with limited generator, shore side or grid power to avoid sudden loads on generator causing voltage spikes -PowerSupport -Boosting the capacity of shore or generator power, an innovative feature of the Combi-3 -Four stage adaptive charger and dual battery charging -LCD display for parameter setting and error messages -Programming auxiliary relay (x 3) -Programming input current limit for power share -User friendly parameters setting for power control and sharing -Wall Mount and Table Mount available for choices -Optional remote panel with LCD display for easy operation in distance