Maximum power (watt): 180 W
Production tolerance: +3% /-3%
Maximum power voltage: 35 V
Maximum power current: 5.14 A  
Open circuit voltage: 42.5 V
Short circuit current: 6.10 A
Size of module (wide and high): 1500*990*46MM
Frame(type, material and thickness) Anodized Alum. Alloy 46mm thickness
Number of cells: 72pcs
Size of cells(wide and high): 156*156mm
Weight per piece: 19.5 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
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(±)
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%
Superstrate in front: Hi-sheet RC 02B (0.45mm thick)/Japan
Backside foil: PTL3-38/75(0.17mm thick),Krempel/Germany
Conversion efficiency Cell conversion efficiency: 15%
Quality guarantee: 2 years product warranty,10years 90% and 25years 80% of the power