Solar panel: mono 280W

 

Maximum power (watt):  280W
Production tolerance: +3% /-3%
Maximum power voltage: 35.5 V
Maximum power current: 7.88 A
Open circuit voltage: 42.5 V
Short circuit current: 7.95 A
Size of module (wide and high): 1950*990*46mm
Frame  Anodized Alum.: Alloy 46mm thickness
Number of cells: 72pcs
Size of cells(wide and high): 156*156mmmono cell
Weight per piece: 28.5 kg
Type of junction box: TUV  certified junction box
Certificates:  CE, ROHS,ISO9000
Cable type and length: connector type 4c TUV certified cable 1m long
Multi contact connector (compatible to MC type IV)
Maximum system voltage: 1000V
Temperature coefficient of Isc: ±0.05%
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) - 45to +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:15.75%
Quality guarantee: 2years product warranty,10years 90% and 25years 80% of the power