These are 410 watt panels made by Solar4America in there new plant in cal. They are very nice high quality panels with UL and many other certifications, we have 300 + panels in stock lets make a deal. Electrical Data Maximum Power Output: 410 Watts Max Operating Voltage (Vmpp): 31.4Volts Max Operating Current (Imp): 13.05 amps Open Circuit Voltage (Voc): 37.5Volts.
Short Circuit Current (Isc): 13.94 amps Module Efficiency: 21.0%. Temperature coefficient of Voc: -0.29% °C. Temperature coefficient of power: -0.39% °C. Temperature coefficient of Isc current: ±0.049% °C.
NOCT (nominal operating cell temperature): 45 ° C ± ° C.