Poly crystalline silicon cell

Maximum power (watt)                                                        250 W
Production tolerance                                                           +3% /-0%
Maximum power voltage                                                     35.28V
Maximum power current                                                     7.09 A 
Open circuit voltage                                                             43.2 V
Short circuit current                                                              7.79A
Size of module (wide and high)                               1956*992*45(mm)
Frame(type, material and thickness) Anodized Alum. Alloy 46mm thickness
Number of cells                                                                   72pcs
Size of cells(wide and high)                                              156mm*156mm
Weight per piece                                                                 26 KG
By pass Schottky diode(3pcs)                                          10A
Type of junction box                                        TUV certified junction box
Certificates                                                      CE, ROHS,ISOIEC,TUV
Maximum system voltage                                                 1000V
Insulation                                                                       ﹥﹦100MOhm
Voltage standoff                                                       AC2000V, DC 3000V
Wind bearing                                                                       60m/s(200kg/sq.m)
Impact resistance hail impact test  227g steel ball fall down from 1m  height
 Low iron tempered glass with thickness of 3.2mm,light transmittance above91%
Quality guarantee                    2 years product warranty,10years 90% and 25 years 80% of the power