MEAN WELL TN-1500-112F 1500 WATT 12 VOLT PURE SINE WAVE INVERTER WITH BUILT-IN SOLAR CHARGE CONTROLLER / AC CHARGER & TRANSFER RELAY FOR UPS FUNCTION 1500 WATTS CONTINUOUS POWER 3000 WATTS SURGE POWER FOR 30 CYCLES 1725 WATTS FOR 180 SECONDS, 2250 WATTS FOR 10 SECONDS PREFERENCE IS GIVEN TO THE SOLAR PANELS AND BATTERIES AS SOURCES OF POWER AND IN THE EVENTUALITY THAT THESE ARE INADEQUATE, THE LOAD IS TRANSFERRED TO THE UTILITY POWER SUPPLY, RESULTING IN ENERGY SAVINGS AC BYPASS, BUILT-IN AC AND SOLAR CHARGER