Gold Member Since 2011
Audited Supplier
Foshan Ouyad Electronic Co., Ltd.

Solar Panel, Poly Solar Panel, 300W Solar Panel manufacturer / supplier in China, offering Professional Supplier Factory Price Poly Solar Panel 300W, 20kw on Grid / Grid Tie Solar System, on Grid Solar Energy System 5kw and so on.

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Professional Supplier Factory Price Poly Solar Panel 300W

FOB Price: US $0.4-0.5 / Watt
Min. Order: 300 Watt
Min. Order FOB Price
300 Watt US $0.4-0.5/ Watt
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Port: Foshan, China
Production Capacity: 20 Containers/Month
Payment Terms: T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: S/P-300W
  • Number of Cells: 72pcs
  • Condition: New
  • Material: Polycrystalline Silicon
  • Frame: Aluminum Alloy
  • Maximum Power(Pmax)of The Panel: 300W
  • Number of Cell(PCS): 6*12 PCS
  • The Solar Power Output Tolerance: 0~+/-3%
  • Warranty of These Soalr Panel: 25 Years Output Power Warranty
  • Transport Package: Standard Export Packaging
  • Origin: Foshan, Guangdong, China.
  • Warranty: 10 Years
  • Application: Home & Normal
  • Certification: ISO, CE
  • Solar Panel Cells: High Efficiency a-Grade Solar Cell
  • Component: Junction Box, Mc4, Connector
  • Size: 1930*1000*40
  • Maximum Voltage(Vmp): 36V
  • Cell′s Size: 156*156mm
  • Trademark: OUYAD
  • Specification: 1930*1000*40mm
  • HS Code: 8541402000
Product Description
300W poly solar panel 

Characteristics :
1) High reliability with guaranteed +/-3% output power tolerance
2)The modules can withstand high wind-pressure, snow loads and extreme temperatures
3) Bypass diodes to minimize power loss with shading
4) High and stable conversion efficiency to ensure the highest quality.

A Grade Polycrystalline Silicon Solar Cell
Format: 156±0.5mm, diagonal 219.2±1.0mm; Average thickness: 200μm ±20μm
Front(-): 1.5mm bus bars(silver) ; Blue anti-refelecting coating(silicon nitride)
Backe(+): 2.5mm wide soldering pads(silver) ; Back surface field(aluminiem)

Professional Supplier Factory Price Poly Solar Panel 300W
Quality and warranty 
For a period of twenty‐five (25)years commencing on the Warranty Start Date, loss of power output
of the nominal power output measured at Standard Test Conditions (STC) for the Product(s) shall not exceed:
For Polycrystalline A grade solar cell, 2% in the first year, thereafter 0.66% per year, ending with 82%
in the 25 th year after the Warranty Start Date;

The Warranty Start Date shall be defined as the date of the Bill of Lading date:

10Years Manufacturing Warranty
15Years Warranty 90% Power Output
25Years Warranty 85% Power Output

Professional Supplier Factory Price Poly Solar Panel 300W

Electrical Characteristics
ITEM NO.S/P-300S/P-310S/P-320
Maximum Power at ST(Pmax)W300Wp310Wp320Wp
Maximum Power Voltage(Vmp)V36.4V37.2V37.6V
Maximum Power Current(Imp)A8.24A8.33A8.51A
Open Circuit Voltage(Voc)V42.3V45.4V45.8V
Short Circuit Current(Isc)A8.92A9.02A9.21A
Cell Efficiency(%)17.50%18.04%18.83%
Module Efficiency(%)15.54%16.1%16.58%
Size of Module (mm)1930*1000*40
Solar Cell156*156
Number of Cell (PCS)6*12
Weight (KG)23.4KG
Power Tolerance0~+3%
Components & Mechanical Data
Front Glass Thickness (mm)High Transparency Tempered Glass 3.2mm
Junction Box TypePass the TUV Certificate PPO(Black/IP65)
Output Cables4mm²/0.9m
Frame (Material Corners, etc.)Aluminum-alloy
Encapsulation MaterialEVA(0.50±0.03 mm thickness)
Back FoilWhite TPT(0.50±0.03 mm thickness)
Fixing AdhesiveSilicone Sealant ( White)
Temperature Range (°C)-40°C to +90°C
Max Load Capacity(Kpa)2.4wind load/5.4 snow load
Temperature Coefficients
Temperature Coefficient of Pm-0.45±0.05 %/°C
Temperature Coefficient of Isc0.05±0.01 %/°C
Temperature Coefficient of Voc-0.35±0.02%/°C
Packing Configuration
Pieces per pallet26PCS26PCS
Pieces per container300PCS700PCS
 Values at Standard Test Conditions
STC Irradiance:1000W/ m²  
Module Temperature25°C

Professional Supplier Factory Price Poly Solar Panel 300W
Professional Supplier Factory Price Poly Solar Panel 300W
Project Case
Professional Supplier Factory Price Poly Solar Panel 300W
As a manufacturer, our products also cover solar panel,controller,inverter,battery,
wind turbine,integrated LED solar street light and so on. Supply completed solar power system .

Our Company and Fair
Professional Supplier Factory Price Poly Solar Panel 300W


1. What's your payment term?

T/T, PayPal, Western Union, etc

2. What's your MOQ?

Small Orders Accepted

3. Could you send free samples?

Your samples fee will be back when you place order.

4. What's the delivery time?

7-15 Days, it is up to your quantity and our stock. If in stocks, once you send the 

payment, your products will be send out within 2days.

5. What's your price list and discount?

The above price is our wholesale price,if you'd like to know more our discount policy, 

please feel free to contact us.

6.Can we print our own logo?

Yes,but should have certain amount of order 


More info, contact us !

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