Gsmg-250m series Electric characteristics Modelgsmg-220mgsmg-230mgsmg-235mgsmg-240mgsmg-245mgsmg-250m Max-power voltage vmp(v)28.929.529.730.130.430.7 Mechanical characteristics Tolerance ¡¨¤3% Cell polycrystalline solar cells No.Of cells 60(6x10) solar cells Dimension 1650*992*45mm Cable type 4mm2 Connector mc4 Junction box ip65 Glass type low iron, tempered glass, 3.2mm thickness Weight 19.0kg Operating conditions Operating temperature -40~+85¡æ Storage temperature -40~+85¡æ Maximum system voltage dc1000v Temperature and coefficients Noct 48¡æ ¡¨¤2¡æ Temperature coefficient of voc(%/k) -0.34 Temperature coefficient of isc(%/k) 0.09 Power temperature coefficient(%/k) -0.37 Packing Carton 2 pcs/carton Pallet 20cartons/pallet Loading capacity 254pcs/20, gp; 560pcs/40, gp Quality and warranty Peak power of single module is guaranteed in ¡¨¤3% 5 years limited warranty on material and workmanship Limited power warranty :10 years 90% and 25 years 80% Limited warranty for minimum power output