Ulica Solar Panel Rigid 405W Full Black (bulk) Important Note: These solar panels are for professional use only Panels are supplied in bulk without external packaging Global Tier 1 brand as announced by Bloomberg NEF Lower LCOE Lower shading and resistive loss Lower temperature coefficient Outstanding mechanical load resistance 2400 Pa wind load , 5400 Pa snow load Anti- PID (Potential Induced Degradation) Passed anti- PID test under 85% damp heat, 85% relative humidity for 96 hours Great Durability against extreme conditions Passed salt mist corrosion test, ammonia corrosion test, dust and sand test, fire test, all certified by TUV *12 year product warranty **25 year linear power warranty  Module : UL-405-108HV Electrical Performance Power output  (Pmax) : 405W Power Tolerance (ΔPmax) : 0/+5W Moduel Efficiency : 20.74% Voltage at Pmax (Vm) : 31.3V Current at Pmax (Im) : 12.94A Open-Circuit Voltage (Voc) : 37.3V Short-Circuit Current (Isc) : 13.69A STC : 1000W/m2 irradiance, 25C module temperature Thermal Characteristics Nominal Operating Temperature (NOCT) : 43±2°C Temperature Coefficient (Pmax) : -0.34 % / °C Temperature Coefficient (Voc) : -0.265 % / °C Temperature Coefficient (Isc) : 0.049 % / °C Operating Conditions Max. System Voltage : 1500V Max. Series Fuse Rating : 25 A Operating Temperature -40°C ~ +85°C Construction Material Front Cover (material/type/thickness) : Low-iron  tempered glass /3.2 mm Cell (quantity/material/type/dimension) : 108/Mono-crystalline 182 X 91mm Frame : Anodized aluminium alloy Junction Box : IP68 Cable : 4 mm2  Connector : MC4 compatible General Characteristics Dimensions : 1762 ˣ 1130 ˣ 30 mm Weight : 21.2 kg