• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: TOPSKY, Yingli, Trina ,Hanwha, Jinko
  • Model Number: TP-P300W
  • Material: Polycrystalline Silicon
  • Size: 1956*992*45mm
  • Number of Cells: 72PCS
  • Max. Power: 300W
  • solar cells: 72pcs Poly Solar Cells
  • colour: Blue with Silk or Black Frame
  • Junction Box: TUV Certified IP65 Rated Water Proof
  • Frame: Anodized Aluminium Alloy
  • Application: Roofing System and Grounding System
  • Front cover: 3.2mm High Transmission Low Iron Tempered Glass
  • Back Sheet: TPT
  • Warranty: 25 Years Output Power Guarantee

Packaging & Delivery

Packaging Details 25pcs per pallet, 550pcs per pallet
Delivery Time 7-12 days

We Topsky is a over 10 years manufacturer&Alibaba Gold Suplier of solar panels 


We have unique advanta on 250W-300 watt poly solar panels. Because we regularly have large quantity of them in stock  


Quality: A Grade with TUV, IEC, MCS, UL, CE  ETL Certification

Good Price: Cost USD0.46/W only for a 20ft container. For same quality level, other suppliers offer USD0.50-0.52/W 

Fast Delivery: 2-5 working days only 

Module TypeTP-295PTP-300P   TP-305PTP-310P TP-315P 
 Maximum Power(Pmax)295Wp  218Wp 300Wp 221Wp 305Wp 225Wp 310Wp 230Wp 315Wp 233Wp
 Maximum Power Voltage (Vmp) 36.2V 33.5V 36.6V 33.7V 36.8V 34.0V 37.0V 34.4V 37.2V 34.7V
 Maximum Power Current(Imp)  8.15A  6.50A  8.20A  6.56A  8.30A  6.62A  8.38A  6.68A  8.48A  6.71A
  Open-circuit Voltage(Voc)  45.1V  41.9V  45.3V  42.3V  45.6V  42.4V  45.9V  42.7V  46.2V  42.8V
  Short-circuit Current(Isc)  8.76A  7.09A  8.84A  7.16A  8.91A  7.21A  8.96A  7.26A  9.01A  7.28A
  Module EfficiencySTC(%)   15.20%15.46%   15.72%   15.98%   16.23%
  Maximum system voltage1000VDC (ETL)
  Maximum series fuse rating15A
  Power tolerance0~+3%
 Temperature coefficients of Pmax -0.41%/℃
  Temperature coefficients of Voc -0.31%/℃
  Temperature coefficients of Isc0.06%/℃
  Nominal operating cell temperature(NOCT)           45±2℃


  STC: Irradiance1000W/m2    CellTemperature25°C   AM=1.5


  NOCT:   Irradiance800W/m2     AmbientTemperature20°C    WindSpeed1m/s










Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
4 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $176,000
Learn More