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Mono PERC M10 Hieff Twin SP440-460-120

Zhejiang Sunpro Power Co., Ltd.
Type: PERC
Power Range: Wp
Region: China China
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Product is no longer manufactured.


  • 120 high-efficiency half-cut M10 cells

  • An efficiency of up to 21.24%

  • 12-year product workmanship warranty

  • Performance guarantees of 91.9% output after 12 years

  • 84.8% output after 25 years of product service

Product Characteristics

Model No.
SP440-120M10 SP445-120M10 SP450-120M10 SP455-120M10 SP460-120M10
Product Warranty 12 Years
Power Warranty 12 Years of 91.9% Output Power, 25 Years of 84.8% Output Power
Electrical Data at STC  
Maximum Power (Pmax)
440 Wp 445 Wp 450 Wp 455 Wp 460 Wp
Voltage at Maximum Power (Vmpp)
34.8 V 35 V 35 V 35.5 V 35.7 V
Current at Maximum Power (Impp)
12.83 A 12.88 A 12.93 A 12.98 A 13.03 A
Open Circuit Voltage (Voc)
41.3 V 41.5 V 41.7 V 41.9 V 42.1 V
Short Circuit Current (Isc)
13.6 A 13.65 A 13.7 A 13.75 A 13.8 A
Panel Efficiency
20.31 % 20.55 % 20.78 % 21.01 % 21.24 %
Power Tolerance (Positive)
+ 0.5 % + 0.5 % + 0.5 % + 0.5 % + 0.5 %
  Standard Test Conditions (STC): air mass AM 1.5, irradiance 1000W/m2, cell temperature 25°C
Electrical Data at NOCT  
Maximum Power (Pmax)
357.9 Wp 361.7 Wp 365.5 Wp 369.5 Wp 373.1 Wp
Voltage at Maximum Power (Vmpp)
34.32 V 34.56 V 34.81 V 35.06 V 35.31 V
Current at Maximum Power (Impp)
10.29 A 10.33 A 10.37 A 10.41 A 10.45 A
Open Circuit Voltage (Voc)
41.1 V 41.3 V 41.5 V 41.7 V 41.9 V
Short Circuit Current (Isc)
10.86 A 10.9 A 10.94 A 10.98 A 11.02 A
Temperature 44±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 -0.34 %/°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 25 A
Material Data  
Panel Dimension (H/W/D) 1910x1134x35 mm
Weight 29 kg
Cell Type PERC
Cell Number 120
Glass Type Tempered
Glass Thickness 3.2 mm
Junction Box Protection Class IP 68
Connector Type MC4
Cable Crossection 4 mm2
Cable Length 1100 mm
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Sunpro Power has set up an industry-leading automatic production line of solar panel including automatic solar cell sorting, automatic solar cell welding, automatic overlaying, and framing, etc.

● Automatic solar cell sorting

● Series welding

● Materials preparing

● Overlaying

● EL test after overlaying

● Lamination

● EL test to semi-finished products

● Framing

● Flash and EL test

● Cleaning

● Final inspection

● Packing

Service Coverage

Sunpro Power is an integrated global PV solutions provider, specialized in manufacturing solar cell and solar panel, supplying solar system solutions.

● We have sales and technical teams all around the world, supplying professional service when it is needed at any time.

● You may ask us for service by multiple sources like telephone, email, internet, etc. Achieving your request is our target.

● Our service system is professional with high efficiency and quick response. We would reply in 24 hours after receiving your request.

Quality Guarantee

● Manufacture high quality products with best materials, workmanship, and Technology.

● Set quality inspection in every production procedure, deliver no defective products to the clients.

● Delivery in time.

● Provide most reasonable price in high quality.

● 25 years warranty for solar panel.

Zhejiang Sunpro Power Co., Ltd.

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Qinggang Technological Industrial Zone, Yuhuan, Zhejiang
Product is no longer manufactured.


Production (MW)/: MWp
Power Range(Wp): 375-720

Useful Contacts

Contact Face
SAM Senior Manager
Company Description

Zhejiang Sunpro Power Co., Ltd.: An innovator leading the photovoltaic industry

Sunpro Power is a high-tech enterprise committed to building a core industry of photovoltaic research and development and manufacturing. The company is mainly engaged in the design, development, production and sales of solar cells, solar modules and solar systems, and provides professional OEM and ODM production services to global customers.

Strong technical strength and excellent product quality

With strong technical support, scientific production management and strict quality control, all products of Sunpro Power have reached the industry-leading level and have been recognized by international certification agencies. The company has advanced production equipment and a professional R&D team, and is constantly committed to the research and development and application of new technologies to provide customers with cost-effective solar products.

Global market layout and professional service team

Headquartered in Zhejiang Province, China, Sunpro Power has branches in many countries and regions around the world, including Germany, the Netherlands, Poland, Italy, the United States, Brazil, etc. The company has a professional service team to provide timely and efficient support and services to global customers.

Committed to sustainable development and social responsibility

Sunpro Power has always adhered to the concept of sustainable development and actively participated in environmental protection. The company cooperates with professional insurance companies to provide customers with comprehensive after-sales service guarantees. At the same time, Sunpro Power actively participates in social welfare undertakings to create a better life for all mankind.

Development History and Honors

Founded in Zhejiang Province, China in 2018.

In 2018, a branch was established in Frankfurt, Germany

In 2019, a warehouse was established in the Netherlands

In 2020, a warehouse was established in Poland

In 2022, it successfully entered the Bloomberg New Energy Finance Tier 1 list

In 2023, a US company and warehouse were established; Brazil office was established

In 2024, SUNPRO, with its leading TOPCon, PERC, HJT component production technology and strict multi-channel quality inspection process, has been ranked on the Bloomberg New Energy BNEF (TIER1) global component manufacturer list for three consecutive years. In the same year, a marketing office was established in Hangzhou.

Looking to the Future

Sunpro Power will continue to adhere to the innovation-driven development strategy, continuously improve its core competitiveness, provide global customers with better solar products and services, and contribute to global energy transformation and sustainable development.

Product Videos

Company Updates

28 May 2024

On May 22, Mr. Santi Promphat, Deputy Minister of Health of Thailand, and other important guests visited SUNPROPOWER, had a constructive dialogue with the company’s senior management.

Additional Offices

Scharrezeeweg 4 3251AW Stellendam, The Netherlands
Mergenthalerallee 73-75,65760 Eschborn, Germany
Adama Naruszewicza 27, 02-627 Warszawa, Poland
United States
206 N Randolph St, Champaign, IL 61820, USA

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