Features PID and snail trails free Excellent performance under low irradiance Additional environmental tested for salt mist ammonia rain, Ensure performance in harsh environment Power tolerance 0- 5w Guaranteed power output Additional yield and easy maintenance with high transparent self-cleaning glass 2 times EL testing during manufacturing, defect-free modules Product Characteristics Model No. AD330-72S AD335-72S AD340-72S AD345-72S AD350-72S Warranty Product Warranty 12 Years Electrical Data at STC Maximum Power (Pmax) 330 Wp 335 Wp 340 Wp 345 Wp 350 Wp Voltage at Maximum Power (Vmpp) 38.3 V 38.6 V 38.9 V 39.2 V 39.5 V Current at Maximum Power (Impp) 8.62 A 8.68 A 8.74 A 8.8 A 8.86 A Open Circuit Voltage (Voc) 46.7 V 47 V 47.3 V 47.6 V 47.9 V Short Circuit Current (Isc) 9.15 A 9.22 A 9.28 A 9.35 A 9.4 A Panel Efficiency 17 % 17.2 % 17.5 % 17.7 % 18 % Power Tolerance (Positive) 1.5 % 1.5 % 1.5 % 1.5 % 1.5 % Standard Test Conditions (STC): air mass AM 1.5, irradiance 1000W/m2, cell temperature 25°C Electrical Data at NOCT Maximum Power (Pmax) 244 Wp 248 Wp 252 Wp 256 Wp 260 Wp Voltage at Maximum Power (Vmpp) 33.8 V 33.9 V 34 V 34.1 V 34.2 V Current at Maximum Power (Impp) 7.22 A 7.32 A 7.42 A 7.51 A 7.61 A Open Circuit Voltage (Voc) 41.8 V 41.9 V 42 V 42.1 V 42.2 V Short Circuit Current (Isc) 7.64 A 7.74 A 7.84 A 7.94 A 8.04 A Temperature 45±2 °C 45±2 °C 45±2 °C