The Ultra Triple Junction (UTJ) from Spectrolab is a Satellite Solar Cell with Output Voltage 2.300 to 2.350 V, Power Consumption 2000000 W, Open Circuit Voltage 2.66 V, Mass of Cell 84 mg/cm sq, Area 26.6 cm sq, 59.6 cm sq. More details for Ultra Triple Junction (UTJ) can be seen below.