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Mono-156.75-4BB PERC(21.3%-21.7%)

East Solar Energy Co., Ltd.
From €0.0972 / Wp
Cell Type: PERC
Power Range: 5.2~5.28 Wp
Region: China China
Note: Your Enquiry will be sent directly to East Solar Energy Co., Ltd..


1. High conversion efficiencies resulting in superior power output performance
2. Outstanding power output even in low light or high temperature conditions
3. Optimized design for ease of soldering and lamination
4. Long-term stability, reliability and performance
5. Anti-PID

Product Characteristics

Model No.
5.20W-5.23W 5.23W-5.25W 5.25W-5.28W 5.28W-5.30W
Product Characteristics  
Cell Technology PERC
Dimensions 156.75×156.75 mm
Diagonal 210±0.25 mm
Cell Thickness 200 ± 20 µm
Front Surface (-)  
No. of Busbars 4
Busbar Width 1.0±0.05 mm
Busbar Material Silver
Anti Reflection Coating Silicon nitride
Back Surface (+)  
No. of Soldering Pads 4
Soldering Pad Width 1.75±0.1 mm
Soldering Pad Material Silver
Back Surface Field (BSF) Aluminium
Electrical Data at STC  
Maximum Power (Pmax)
5.2 W 5.23 W 5.25 W 5.28 W
Voltage at Maximum Power Point (Vmpp)
0.569 V 0.571 V 0.572 V 0.575 V
Current at Maximum Power Point (Impp)
9.149 A 9.157 A 9.181 A 9.186 A
Open Circuit Voltage (Voc)
0.6657 V 0.666 V 0.6674 V 0.6702 V
Short Circuit Current (Isc)
9.611 A 9.633 A 9.657 A 9.661 A
Cell Efficiency
21.3-21.4 % 21.4-21.5 % 21.5-21.6 % 21.6-21.7 %
Fill Factor (FF)
81.33 % 81.5 % 81.51 % 81.55 %
Thermal Ratings  
Temperature Coefficient of Pmax -0.42 %/˚C
Temperature Coefficient of Voc -0.32 %/˚C
Temperature Coefficient of Isc 0.04 %/˚C
Intensity Dependence
1000 W/m2
800 W/m2
600 W/m2
200 W/m2

About us

Founded in 2017, East Solar Energy Technology Co., Ltd. specializes in solution provision of solar energy products as well as professional agency and trading of supply chain materials. We have a perfect vertical integration industry chain from silicon wafer and Solar cell to Module to the Micro EPC, as well as abundant experience in international trading. Up to 2017, we have completed the supply and trading of materials of more than 100MW. In the spirit of simplicity, our company will continuously provide innovative high-quality products for the solar energy industry, and lay emphasis on customer demands to continuously provide solutions as well as products needing solar energy.

We provide customers with consultation services and flexible business models besides products.

We look forward to achieving sustainable operation and development together with customers, to co-create the era of clean energy.


Company culture

Mission: enable customers to operate sustainably and grasp advanced market chances, thus becoming a pioneer of clean energy.

Vision: promote clean energy to the whole world, making the earth more beautiful.

Values: in the spirit of "Arduous, Struggling, Hardworking", we serve customers continuously, and also enhance enterprise quality and culture.

East Solar Energy Co., Ltd.

A2-607, Tian'an Wisdom Zone, No. 158 Lake Road, Wuxi Taihu Lake International Science and Technology Park, Binhu District, Wuxi, Jiangsu
No. Staff: 80
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Useful Contacts

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Willis GM
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James Oversea Sales Director
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Sara 行政高級經理
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Lillian 銷售主管

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