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Just Solar Co., Limited
From €0.184 / Wp
Type: Bifacial, PERC
Power Range: 300 ~ 320 Wp
Region: China China
Note: Your Enquiry will be sent directly to Just Solar Co., Limited.


high quality, high efficiency solar cells. Self-cleaning coating decreases maintenance cost and increases the generating capacity. They have excellent module efficiency even in the weak light conditions, such as morning or cloudy.They have outstanding power output with 25-year performance warranty.

Product Characteristics

Model No.
JST300M(60) JST305M(60) JST310M(60) JST315M(60) JST320M(60)
Electrical Data at STC  
Maximum Power (Pmax)
300 Wp 305 Wp 310 Wp 315 Wp 320 Wp
Voltage at Maximum Power (Vmpp)
33.45 V 33.81 V 34.16 V 34.43 V 34.75 V
Current at Maximum Power (Impp)
8.97 A 9.02 A 9.08 A 9.15 A 9.21 A
Open Circuit Voltage (Voc)
39.98 V 40.15 V 40.48 V 40.75 V 41.03 V
Short Circuit Current (Isc)
9.66 A 9.76 A 9.82 A 9.87 A 9.93 A
Panel Efficiency
18.1 % 18.4 % 18.7 % 19 % 19.3 %
Power Tolerance (Positive)
+ 5 % + 5 % + 5 % + 5 % + 5 %
  Standard Test Conditions (STC): air mass AM 1.5, irradiance 1000W/m2, cell temperature 25°C
Thermal Ratings  
Operating Temperature Range -40~85 °C
Temperature Coefficient of Pmax -0.38 %/°C
Temperature Coefficient of Voc -0.3 %/°C
Temperature Coefficient of Isc 0.06 %/°C
Maximum Ratings  
Maximum System Voltage 1500 V
Series Fuse Rating 20 A
Material Data  
Panel Dimension (H/W/D) 1669x992x6 mm
Weight 23.2 kg
Cell Type Bifacial, PERC
Cell Size 156.75×156.75 mm
Cell Number 60
Glass Type Tempered, Anti-reflection Coating
Download Manufacturer's PDF

Product Features

1. High conversion efficiency : High module efficiency to guarantee power output.

2. Self-cleaning glass: Coating glass for self-cleaning, reduce surface dust.

3. Outstanding low irradiation performance: Excellent module efficiency even in the weak light conditons, such as morning or cloudy.

4. Excellent loading capability: 2400Pa wind loads, 5400Pa snow loads.

5. 0 to +5W positive tolerance: Detailed information in Electrical Specifications.

6. 48-hour response service.







Just Solar Co., Limited

1288 Kanghe Road, Jiaxing City, Zhejiang Province, P.R. China
No. Staff: 5,000
Parent Company: SHI Group Limited
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JUST SOLAR CO. LIMITED is a multinational company that manufactures, designs, R&D, realizes quality control and sales Solar cells,Solar panels and Solar system for worldwide customers and commercial projects.

Here at JUST SOLAR, we are a one-stop solution provider for our customers’ sustainable power needs. We harness the power of the sun and are committed to providing our customers the best solar products and solutions for long term and sustainable commercial, industrial, rural and domestic energy needs.

Total reliability, high quality and standards, timely delivery and expert project management ensure our reputation staying with us through the years.

JUST SOLAR firmly believes that long-term customers satisfaction is the determining factor of our success. To continue meeting the changing needs of our valued customers, JUST-SOLAR is committed to creating value that increases and enhances customer’s competitiveness in its industry as well as providing a high standard for superior quality products and value-added service.


Production (MW)/: 1000 MWp
Monocrystalline, Polycrystalline
Power Range(Wp): 1-500

Useful Contacts

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Frank Yang CEO
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Rachel Liu Sales manager
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Reiling Market manager
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Monica Li Sales Manager
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Mark Zhou Marketing Director
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Sec Sales Manager
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Frank Sales Manager
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Chen Shengjiao Sales Manager
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JUST SOLAR International Sales
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Sally Sales Manager

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