Our Product: Mono-crystalline silicon Panel Poly-crystalline silicon Panel On-grid solar system Off-grid solar system Portable solar system 

Maximum power (watt)                                        280W
Production tolerance                                           +3% /-3%
Maximum power voltage                                     35.95V
Maximum power current                                     7.79A
Open circuit voltage                                             44.31V
Short circuit current                                              8.26A
Size of module                                                     1956*992*45（mm）
Frame  Anodized Alum.                                       Alloy 45mm thickness
Number of cells                                                   72pcs
Size of cells(wide and high)                              156*156（mm）mono cell
Weight per piece                                                 28.5 kg
Type of junction box                                            TUV  certified junction box
Certificates                                                           CE, ROHS,ISO9000,ISOIEC,TUV
Cable type and length                                        connector type 4c㎡ TUV certified cable 90cm long
Multi contact connector
(compatible to MC type IV)
Maximum system voltage                                 1000V
Temperature coefficient of Isc                         ±0.04%℃
Temperature coefficient of Voc                        -0.33%℃
Temperature coefficient of power                   -0.5%℃
Temperature coefficient of Imp                       +0.08%℃
Temperature coefficient of Vm                         -0.33%℃
NOCT(nominal operating cell temperature) - 45℃to +85 ℃
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
Encapsulated with toughened glass              Low iron tempered glass with thickness of 3.2mm,light transmittance above91%
Conversion efficiency Cell conversion efficiency﹥14.43%
Quality guarantee       2years product warranty,10years 90% and 25years 80% of the power