Osolar 280W Monocristalino bateria paneles solares | bateria paneles solares

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  • 1 - 999999998
    US $0.50
  • >=999999999
    US $0.30
Supply Ability:
10000000 Watt/Watts per Month
Shanghai Port
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
Monocrystalline Silicon
Number of Cells:
Max. Power:
Solar Cell:
4 Busbar Monocrystalline 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 & Delivery
Packaging Details
Well protected carton with pallet
Delivery Time
10 working days after payment

Osolar 280W Monocristalino bateria paneles solares | bateria paneles solares


Product Description






Product Warranty

10 years product warranty

25 years linear power warranty 



Product Feature

1.  High efficiency, 2016 innovative manufacturing technology, brings high conversion efficiency. (up to 17.11%)

2.  Excellent temperature coefficient giving higher yields in the long term.

3.  Certified to withstand increased loads of up to 5400Pa.

4.  Outstanding performance in weak-light conditions.

5.  4 busbar solar cells offering an excellent aesthetic appearance as well as remaining a stable output of solar power.








Peak Power Watt-PMAX  (Wp)245250255260265270275280285290
Power Output Tolerance-PMAX  (W)±3%
Maximum Power Voltage-VMPP  (V)31.6431.7231.8031.8631.9032.0032.1032.2032.2832.37
Maximum Power Current-IMPP  (A)7.887.978.088.208.328.448.578.708.828.93
Open Circuit Voltage-VOC(V)37.6237.7137.8137.9038.0038.1038.2038.3038.3938.48
Short Circuit Current-ISC(A)8.578.668.778.878.969.
Module Efficiency (%)14.97%15.27%15.58%15.88%16.19%16.50%16.80%17.11%17.41%17.72%
     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 Voltage1000V DC (IEC)
Temperature Coefficient of VOC-0.29%/ Max Series Fuse Rating15A
Temperature Coefficient of ISC0.05%/   





Diagram and IPcurve



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
By seaDelivery from Shanghai or Ningbo seaport
By airDeparture from Shanghai Pudong AirPort
By expressPost by DHL,UPS,TNT and EMS







Payment Term
EXW30% T/T in advance, paid the balance before shipment
CFR(C&F)30% T/T in advance, paid the balance against copy of B/L
L/C amount above 50,000 usd, we can accept L/C at sight
West Union
Amount lower than 5000usd
Delivery Time
7~10days after receiving payment for one container




1,Can I know how to choose the models?


First,you can read the DATA SHEET in the page of each products, if it is not okay;

Then, you can download our Products Catelog;

Of course, if you are interested in our product, you can Inquire Us directly for any techique questions!


2,If you can accept my own payment ways?


First, if the order less than 1 KW, We Only accept 100%TT or Paypal; But you need to pay the transfer fee;

Second, if the order bigger than 1 MW, we can talk about the payment terms;

For the others, just like the payment terms we list.


For Any Queries, Please free to contact Johnson.Shen.