Model Number: SP-280W/290W/300W(Poly)-#2750 Key Specifications/Special Features: 1. Characteristics1). The high stability of the conversion efficiency2). High strength reliability, ensure +/-10% of the output power difference3). Passing strict inspection of raw materials, the surface using toughened glass, framework for electroplating aluminum alloy, allows multiple solar panels used at the same time4). High conversion efficiency and the fine combination of appearance2. Quality and safety1). 25 years conversion efficiency of 80%, 10 years to 20 years' conversion efficiency can reach 90%, the warranty period for three years2). Passing the ISO 9001:2000 quality management system certification3). Passing the quality assurance and product liability guarantee to ensure that the interests of consumers4). Passing CE certificate3. Technical specificationsTemperature coefficients:
Temperature: 45 +/-2C
Working voltage temperature coefficient (Voc): -0.36%/°C
Working current temperature coefficient (Isc): +0.033%/°C
Power temperature coefficient (Pmpp): -0.44%/°C
Minimum power range: +/-3%

Mechanical data
Solar cells: mono-crystalline
Front glass: 3.2mm tempered
Junction box: IP 65 rated
Output cables: 900mm length cable
Frame: aluminum alloy

Technical specifications
Model SP5W SP10W SP20W SP30W
Peak power 5 10 20 30
Working voltage 16.8 17.0 17.6 17.6
Working current 0.3 0.59 1.14 1.71
Open circuit voltage (Voc) 21.0 21.2 21.6 21.6
Short circuit current (Isc) 0.38 0.68 1.39 2.02
Conversion efficiency 16% 16% 15% 16%
Weight(kg) 0.8kg 1.4kg 2.4kg 3.2kg
Cells(pcs) 4*9 4*9 6*6 3*12
Module size (mm) 306*216*17 308*336*17 430*450*25 425*580*25
Outer packing size (mm) 340*250*30 342*270*30 470*490*40 465*620*40

Model SP45W SP50W SP65W SP70W SP75W
Peak power 45W 50W 65W 70W 75W
Working voltage 36/18 36/18 36/18 36/18 36/18
Working current 1.25/2.49 1.38/2.77 1.8/3.61 1.94/3.89 2.08/4.15
Open circuit voltage (Voc) 39.5/19.05 39.5/19.05 39.5/19.05 39.5/19.05 39.5/19.05
Short circuit current (Isc) 1.37/2.75 1.51/2.98 1.98/3.96 2.13/4.26 2.28/4.57
Conversion efficiency 15.9% 17.7% 14.8% 16% 17.1%
Weight(kg) 4.2 5.6 6 7 8
Cells(pcs) 3*12 4*9
Module size (mm) 707× 507*30/25 776*676*30/25
Outer packing size (mm) 750*550*70 820*720*70

Model SP85W SP90W SP100W SP130W SP140W
Peak power 85W 90W 100W 130W 140W
Working voltage 36/18 36/18 36/18 36/18 36/18
Working current 2.36/4.71 2.5/4.98 2.77/5.55 3.6/7.2 3.88/7.77
Open circuit voltage (Voc) 39.5/19.05 39.5/19.05 39.5/19.08 39.1/19.1 39.3/19.4
Short circuit current (Isc) 2.59/5.19 2.75/5.5 3.04/5.92 3.96/7.9 4.26/8.53
Conversion efficiency 15.1% 16% 16% 14.8% 15.9%
Weight(kg) 8.1 9 11 12.5 12.5