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PolyCrown Solar Tech
From €0.233 / Wp
Type: Monocrystalline
Power Range: Wp
Region: China China
Product is no longer manufactured.


1. Rigorous quality control meeting the highest international standards

2. High-transmittance low-iron tempered glass, strong aluminium frame using UV-resistant silicon

3. ISO 9001:2008, ISO 14001:2004, OHSAS 18001

4. IEC 61215, IEC 61730, safety class II, conformity to CE

Product Characteristics

Model No.
NS-300S6 NS-305S6 NS-310S6 NS-315S6 NS-320S6 NS-325S6 NS-330S6 NS-335S6 NS-340S6 NS-345S6
Product Warranty 10 Years
Power Warranty 12 Years of 90% Output Power, 25 Years of 80% Output Power
Electrical Data at STC  
Maximum Power (Pmax)
300 Wp 305 Wp 310 Wp 315 Wp 320 Wp 325 Wp 330 Wp 335 Wp 340 Wp 345 Wp
Voltage at Maximum Power (Vmpp)
37.39 V 37.47 V 37.59 V 37.63 V 37.82 V 37.84 V 37.87 V 37.88 V 38.01 V 38.05 V
Current at Maximum Power (Impp)
8.17 A 8.23 A 8.28 A 8.37 A 8.461 A 8.589 A 8.716 A 8.844 A 8.945 A 9.06 A
Open Circuit Voltage (Voc)
44.75 V 44.78 V 44.8 V 44.82 V 44.84 V 44.86 V 44.88 V 44.9 V 44.94 V 44.96 V
Short Circuit Current (Isc)
9.05 A 9.13 A 9.26 A 9.37 A 9.515 A 9.66 A 9.8 A 9.948 A 9.54 A 9.68 A
Panel Efficiency
15.5 % 16 % 16.23 % 16.23 % 16.49 % 16.75 % 17.01 % 17.26 % 17.52 % 17.78 %
Power Tolerance (Positive)
+ 5 % + 5 % + 5 % + 5 % + 5 % + 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 -0.47 %/°C
Temperature Coefficient of Voc -0.346 %/°C
Temperature Coefficient of Isc 0.036 %/°C
Maximum Ratings  
Maximum System Voltage 1500 V
Series Fuse Rating 15 A
Material Data  
Panel Dimension (H/W/D) 1956x992x40 mm
Weight 23 kg
Cell Type Monocrystalline
Cell Size 158.75×158.75 mm
Cell Number 72
Glass Type Anti-reflection Coating, Tempered
Glass Thickness 3.2 mm
Encapsulant Type EVA
Back Cover Type TPT
Frame Type Anodized Aluminium Alloy
Junction Box Diodes 3
Junction Box Protection Class IP 67
Connector Type MC4
Cable Crossection 4 mm2
Cable Length 900 mm
Download Manufacturer's PDF

About us

Ningbo Polycrown Solar Tech Co., Ltd. is a high-tech enterprise founded in 2014 mainly specialize in R&D, production and installation of solar products including solar cells, solar panels, solar systems and solar projects. Our products have received the certification of ISO9001, ISO14001, OHSAS18001, and achieved TUV IEC61215, IEC61730, CE, TBS and KBS certifications. Polycrown marketing center and production factory is located in Ningbo City, production capacity 200MW for solar panels yearly. The subordinate branch companies including East Africa office in Kenya, Latin Ameria office in Mexico, and another branch office and shop in Yiwu city. We will continuously innovate and provide the highest quality PV products and services, delivery the best solar energy solutions to our partners and all the PV industrial people.



1. What are the key features of the product?

High efficiency

2. What environments is this product best suited to?

Sunny weather

3. Who are the key customers for these products?

PV sellers and PV installers

4. What makes this product better than competitor products?

Cost-effective, high production capacity, professional aftersales service

5. Which customers have purchased these products?

Middle east, Korea, Thailand, Japan, Mexico, Brazil.

6. What guarantees are offered?

10 years for all products, 15 years for 90% power output, 25 years for 85% power output

Tell us about the customer service that comes with this.

1. What happens if this product breaks down?

Please provide the product picture and series number and apply for a free replacement.

2. Does this product have any industry certifications?

TUV, ISO9001,ISO14001,IEC61215,IEC61730

3. What payment terms are offered?

30% deposit L/C

4. How are these products shipped to the customer?

Via sea

PolyCrown Solar Tech

Click to show company phone
No.363 Xiani Bridge, Xiaojia River Rd., Xiaogang Street, Ningbo, Zhejiang
No. Staff: 500
Product is no longer manufactured.


Production (MW)/: MWp
Monocrystalline, Polycrystalline, Crystalline
Power Range(Wp): 10-500


Production (MW)/: MWp
CIS Family: CIS, CIGS, CIGSS Amorphous: Single-Junction, Other, Multi-Junction CdTe: CdTe CSG: CSG
Power Range(Wp): -

Innovative Panel Design

Production (MW): --
Transparent Solar Cell, Roof Tiles and Shingles, Spherical Solar Cell, PV Thermal, Other
Power Range(Wp): -

Third Generation

Production (MW)/: MWp
Other, Dye Sensitised, Organic Polymer
Power Range(Wp): -

Useful Contacts

Contact Face
Ada General Manager
Company Description

Ningbo Polycrown Solar Tech Co.,LTd was found in 2014,is a high-tech enterprise mainly engaged R&D, production and installation of solar products, including solar cells ,solar panels and solar projects.

We has passed the system certification of ISO9001,ISO14001,OHSAS18001,and achieved TUV IEC61215,IEC61730,CE,TBS and KBS certifications.

Polycrown marketing center and production factory is located in Ningbo City, production capacity 200MW for solar panels yearly, one day delivery 2*40HQ containers. The Subordinate branch companies including East Africa office in Kenya, Latin America office in Chile, and East Europe brand company in Poland.

We provide mono and poly, black and half-cell panels from 20w to 500w,Especiallyt have big advantage in Perc mono solar panels. We will continuously innovate and provide the highest quality Pv products and services to delivery the best solar energy solutions for our partners and all people.

Product Videos

Company Updates

9 Feb 2023

Our 535 ~ 550 Wp high-power photovoltaic panel production line is available now, we are ready for mass solar panel orders.

Additional Offices

Steinstr. 15, 81667 München
27w10, Three Sails Tower, 1204 Suite, 1-56 Al Hatl Street, Corniche Road, Abu Dhabi
Wczasowa 2, 89-502 Raciąż
Lot No.4, Lotissement Mandarouna II, Sidimaarouf,Ain Chock, Casablance


PolyCrown's solar panels are up to customers' standard. Their customer service is satisfactory.

-- Eng. Hatem Serag El Din, Active Energy Trade Establishment, Inc.






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