Product Description:

Maximum power (watt): 250 W
Production tolerance: +3% /-3%
Maximum power voltage: 35 V
Maximum power current: 7.142 A 
Open circuit voltage: 43.5 V
Short circuit current: 8 A
Size of module (wide and high): 1950*990*46 (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
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): 45℃(±℃)
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  15.5%
Quality guarantee: 2 years product warranty,10years 90% and 25years 80% of the power