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Changzhou Sunday Energy Co., Ltd.
From €0.226 / Wp
Type: Monocrystalline
Power Range: 460 ~ 510 Wp
Region: China China
Note: Your Enquiry will be sent directly to Changzhou Sunday Energy Co., Ltd..


● Highest quality, high-transmission tempered glass provides enhanced stiffness and impact resistance
● Advanced EVA encapsulation system with triple-layer back sheet meets the most stringent safety requirements for high-voltage operation
● A sturdy anodized aluminium frame allows modules to be easily roof-mounted with a variety of standard mounting systems
● Ultra reliable bypass diodes prevent damage through overheating due to shaded or defective cells

Product Characteristics

Model No.
SDM-440-96 SDM-450-96
Product Warranty 30 Years
Power Warranty 12 Years of 90% Output Power, 25 Years of 80% Output Power
Electrical Data at STC  
Maximum Power (Pmax)
440 Wp 450 Wp
Voltage at Maximum Power (Vmpp)
47.78 V 47.87 V
Current at Maximum Power (Impp)
9.21 A 9.4 A
Open Circuit Voltage (Voc)
58.5 V 58.57 V
Short Circuit Current (Isc)
9.4 A 9.73 A
Panel Efficiency
17.17 % 17.56 %
Power Tolerance (Positive)
+ 3 % + 3 %
  Standard Test Conditions (STC): air mass AM 1.5, irradiance 1000W/m2, cell temperature 25°C
Electrical Data at NOCT  
45.3±2 °C 45.3±2 °C
  Nominal Operating Cell Temperature (NOCT): 800W/m2, AM 1.5, windspeed 1m/s,ambient temperature 20°C
Thermal Ratings  
Operating Temperature Range -40~85 °C
Temperature Coefficient of Pmax -0.37 %/°C
Temperature Coefficient of Voc -0.29 %/°C
Temperature Coefficient of Isc 0.05 %/°C
Maximum Ratings  
Maximum System Voltage 1500 V
Series Fuse Rating 30 A
Material Data  
Panel Dimension (H/W/D) 1956x1310x45 mm
Weight 26 kg
Cell Type Monocrystalline
Cell Size 156.75×156.75 mm
Cell Number 96
Glass Type Tempered
Glass Thickness 3.2 mm
Frame Type Anodized Aluminium Alloy
Junction Box Diodes 6
Junction Box Protection Class IP 67
Connector Type MC4
Cable Crossection 4 mm2
Cable Length 900 mm
Download Manufacturer's PDF

Changzhou Sunday Energy Co., Ltd, is a vertically integrated manufacturer of solar wafers, cells and PV modules, and is headquatered at 888 Chenfeng Road Jintan City, Changzhou, China. 

The rapid industrial development in Jiangsu Province had accelerated the development of a centralized photovoltaic industry and had enabled Sunday Energy to achieve cost competitiveness by leveraging on a strong supply chain and dynamic logistics support in the region.

Our products come with industry leading product warranties, and they meet stringent quality and safety standards, by achieving industry recognised product quality certifications such as PID-free, ISO, CE, TUV, IEC, MCS and UL.


Sunday Energy is a highly professional, competitive and efficiently setup solar PV manufacturer, who started off in the production of mid-range and small power class solar modules catering to off-grid applications. We have recently expanded our manufacturing line and production capacity to produce top quality, high power wattage modules for utility-scale and rooftop applications. Our modules cover a wide range of power class from 2 Watts up to 360 Watts, with both monocrystalline and polycrystalline PV modules available.

With a wide range of quality, reliable products, coupled with a cost-leading competitive advantage, Sunday Energy modules have been widely deployed in several countries across the world, where we are successfully establishing our brand presence in several key markets outside China. 

To further develop our market reach and expand our brand presence, Sunday Energy has established strong relationships and long-term cooperation with our channel partners in Europe, South America, India, Africa, Middle East and South East Asia.

Exhibition & Events



Changzhou Sunday Energy Co., Ltd.

No. 216, East Jinsheng Road, Jintan District, Changzhou, Jiangsu
No. Staff: 7,000
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Our factory has been engaged in solar products manufacturing related to high quality and competitive prices since 2013 with 2 hours' drive from Shanghai city,our brand Sunday Energy was originated from Italy in 2009 and now it is getting more and more convincing from Australia/Brazil/Japan/South Africa/India/Thailand/Philippines/Jordan/Yemen Republic/Turkey/Bangladesh...etc.

We have the availability of making Silicon PV modules concerning all kinds from 3Wp~500Wp (96 cells,1956*1310*45mm),with the latest technologies and worldwide famous raw materials for encapsulating,and the annual capacity of factory is 500 mega watts including standard and non-standard panels.All of our clients have been well benefited and greatly reputed from their own marketplaces.


Production (MW)/0: MWp
Monocrystalline, Polycrystalline
Power Range(Wp): 5-500

Useful Contacts

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张伟荣 Manager
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Dina Ding Sales Manager
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