ITEM NO MP-50WP MONO or POLY MONO Maximum power (Wp) 50W Maximum power voltage (V) 17.8V Maximum power current (A) 2.8A Open circuit voltage (V) 21.4V Short circuit current (A) 3.08A Number of cells (Pcs) 40Pcs Size of module (mm) 762*542*35mm Brand Name of Solar Cells GP/Sinosolar/CEEG/MOTECH Temperature coefficients of Isc (%) + 0.1/ °C Temperature coefficients of Voc (%) -0.38/ °C Temperature coefficients of Pm (%) -0.47/ °C Temperature coefficients of Im (%) +0.1/ °C Temperature coefficients of Vm (%) -0.38/ °C Temperature Range -40°C+80°C Tolerance Wattage (e.g. +/-5%) +/-5% Surface Maximum Load Capacity 60m/s(200kg/sq.m) Allowable Hail Load steel ball fall down from 1m height Weight per piece (kg) 6