• 1 – 49998
    US $0.42
  • 49999 – 99998
    US $0.37
  • >=99999
    US $0.32
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
Polycrystalline Silicon
Number of Cells:
Max. Power:
Solar Cell:
4 Busbar Polycrystalline 156*156mm
Cell Orientation:
60 cells (6*10)
18.6kG (41lb)
3.2mm (0.13inches), High Transmission, AR Coated Tempered Glass
Silver & Black Anodized Alunniu Alloy
Silver & Black
Junction Box:
IP65 or IP67 Rated
Photovoltaic Technology cable 4.0mm2, length 900mm
MC4 Compatible Connector
12 Years Product Warranty and 25 Years Linear Power Output Warranty
Packaging Details
Well protected carton with pallet for poly pv 24v 250w 260w 265w 270w 280w 290w 300w solar panel
Delivery Time
10 working days after payment

Osolar solar power panel factory poly pv 24v 250w 260w 265w 270w 280w 290w 300w solar panel  

Product Description


Products Information
Peak Power Watt-PMAX  (Wp) 230 235 240 245 250 255 260 265 270 275
Power Output Tolerance-PMAX  (W) ±3%
Maximum Power Voltage-VMPP  (V) 31.18 31.30 31.42 31.52 31.70 31.90 32.10 32.40 32.70 32.95
Maximum Power Current-IMPP  (A) 7.55 7.63 7.72 7.83 7.92 8.00 8.10 8.18 8.28 8.37
Open Circuit Voltage-VOC(V) 37.60 37.71 37.82 37.90 38.00 38.10 38.20 38.30 38.40 38.49
Short Circuit Current-ISC(A) 8.20 8.27 8.35 8.46 8.55 8.60 8.67 8.73 8.82 8.90
Module Efficiency (%) 14.05% 14.36% 14.66% 14.97% 15.27% 15.58% 15.88% 16.19% 16.50% 16.80%
     STC:Irradiance 1000W/m2, Cell Temperature 25.C, Air Mass AM 1.5
Nominal Operating Cell Temperature (NOCT) 44.C(±2℃) Operational Temperature -40~+85℃
Temperature Coefficient of PMAX -0.39%/℃ Maximum Syste Voltage 1000V DC (IEC)
Temperature Coefficient of VOC -0.29%/ Max Series Fuse Rating 15A
Temperature Coefficient of ISC 0.05%/

Company Information

         Osolar is a professional solar panels manufacturer, we are a member of Powerark Group. Powerark Group is an international company specializing in R&D, manufacturing and marketing of PV inverters, Solar Panels, Mounting Kits,etc. (Please see our website: www.powararksolar.com.au)
         Since 2010, Powerark Group products have been constantly contributing clean energy to our planet. Driven by both innovations in technology and an effective brand strategy, we successfully provided high quality solar panels, PV inverter, solar systems, energy storage systems, solar mounting systems, on-grid &off-grid inverters and Mounting Kits to the global market. We experienced a rapid growth in the last five years and contributed 800M revenue in 2015.
         Osolar is a sub brand of Powerark Group products. We have a strong research team. We successfully obtain lots patent certificates in the past few years. All the products are fully approved and certified by recognized global standards and laboratories, including IEC, TUV and CQC,. Our mission is to becoming a high performing, top quality photovoltaic modules and specializes in PV technology innovation, application and system development. Osolar’s worldwide sales and marketing network and service system effectively provides end-users with stability, reliability and accessible clean energy.
         The way Powerark Group implements the corporate culture to reach our strategic target is through our systematic approach. Our innovative corporate structure allows us to become more efficient and save on unnecessary communication expenses.  Our ways of encouragement in performance then incentivizing allow us to provide a competitive edge over others.  We believe innovation is key to healthy corporate growth, which provides a perfect platform for the development of our employees that enables our organization to have corporate responsibility.  Changes are inevitable and we are ready to over come those challenges.
         We are continuously adjusting and improving to strengthen our position.

Packaging & Shipping
Payment items



 1.Can I know how to choose the models?

Please read the DATA SHEET in the page or download our products Catalog of each products,Of course it is ok for you, please inquire us directly for any techique questions of our products.

2.If you can accept my own payment ways?

If your order less than 1 KW, Only accept 100%TT or Paypal(and you need to pay the transfer fee);If the order bigger than 1 MW,it is up to you on any payment terms;

3.Are you factory or trading company?

We are a professional factory and manufacturer with more than 10 years(but just open Alibaba Platform 1 year);

4.Where is your factory located?How can I visit there?

Shanghai Hong International Trading Co.,Ltd(trading firm with headquaters in Shanghai)

Add:24F,Block A,No.18 Caoxi North Road,Xuhui District,Shanghai,China.

Jiaxing Osolar PV Co.,Ltd(factory in Zhejiang)

Add:No.1555,Xi Ping Si Road,Pinghu Economic Development Zone,Zhengjiang,China.

Suzhou Solarwii Micro Grid Technology Co.,Ltd(factory in Suzhou)

Add:Rm 405,Nan Gong Yuan Building,No.399 Linquan Street,Suzhou Industrial Park,Suzhou,China.

Changzhou Allstar Energy Technology Co., Ltd(factory in Jiangsu)

Add: Zhiqian Town, Jintan Changzhou, Jiangsu, China.

5.How does your factory do regarding quality control?

Quality is priority.We always attach great importance to quality controlling from the begining to the end(including Solar Cell Testing,Solar Cell Sorting,Automatic String,Electrical Performance Testing),all products are fully approved and certificated by globally recognized authority,including IEC/TUV/CE/C.

Related Products


Solar PV Inverter (1 KW-20KW)         Solar Mounting System 

   Monocrystalline Solar panel 


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