The 625-645 W Helios Module Series from Phono Solar Technology is a Solar Panels with System Voltage 1500 VDC, Output Power 625 to 645 W (STC), 475 to 491 W (NOCT), Output Voltage 37.86 to 38.51 V (STC), 35.71 to 36.33 V (NOCT), Output Current 16.51 to 16.75 A (STC), 13.31 to 13.50 A (NOCT), Open Circuit Voltage 45.13 to 45.82 V (STC), 43.07 to 43.73 (NOCT). Tags: Panel. More details for 625-645 W Helios Module Series can be seen below.