A grade High Efficiency 280W poly solar panel with CE CEC TUV ISO certificate

FOB Reference Price:Get Latest Price
US $0.48-0.58 / Watt | 1 Piece/Pieces (Min. Order)
Supply Ability:
20000 Piece/Pieces per Month
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Quick Details
Place of Origin:
Jiangsu, China (Mainland)
Brand Name:
Risun Solar Panel
Model Number:
Polycrystalline Silicon
Number of Cells:
Max. Power:
Solar Panel working time:
25 years
Solar Panel Efficiency:
above 16.8%
compatible MC4
solar panel Frame:
Anodized aluminium alloy
solar panel Vmp:
solar panel Voc:
solar panel Imp:
solar panel Isc:
Junction Box:
Ip65 rated/past the TUV certificate
Packaging & Delivery
Packaging Details
Carton packaging Packed in wooden case(the special packaging should be paid by clients)
Delivery Time
one week after deposit


280W Poly Solar Panel Specifications
1) high efficiency
2) easy to install
3) stand heavy rain and snow
4) lower price

Risun Solar Panel 280W Poly Solar Panel Solar Module Pictures show





Risun Solar Panel Factory Picture Show









Risun Solar panel  CE TUV ISO Certification Reference




280W Poly Solar Panel packing  





Risun Solar Panel Exhibition Show




RSM280W solar panel, 280W Poly solar module produced by Risun Solar



280W poly solar panel, solar module, solar panel technical data












Max Power Pm(W)260270280290
Max Power Voltage Vm (V)35.0335.2935.5935.89
Max Power Current Im (A)7.427.657.878.08
Open-Circuit Voltage Voc (V)44.9145.1645.3345.5
Short-Circuit Current Isc (A)8.398.478.568.64
Cell Efficiency(%)14.815.416.016.6
Module Efficiency(%)13.914.415.015.5
Maximum System Voltage (V)DC 1000(TUV) / DC 600(UL)
Power Tolerance(%)0~+3
Series Fuse Rating (A)15


Risun Solar Panel 280W Poly Solar Panel  Components & Mechanical Data


Front GlassHigh Transparency Tempered Glass, 3.2mm
Junction BoxPass the TUV Certificate PPO(black/IP65)
Output Cables4mm2/0.9m
ConnectorsMC4(UV resistance and self-locking/IP67)
FrameAnodized aluminum alloy type 6063-T5
Encapsulation MaterialEVA (0.50 ± 0.03mm thickness)
Back FoilWhite TPT (0.32 ± 0.03mm thickness)
Fixing adhesiveSilicone Sealant(White)
Temperature Range(°C)-40°C to +90°C
Max Load(Kpa)2.4 wind load / 5.4 snow load
Temperature Range(°C)-40°C to +90°C


 Temperature Coefficients


NOCT (°C) 47±2
Temperature Coefficient of Pm (%/°C)-0.45±0.05
Temperature Coefficient of Isc (%/°C)0.05±0.01
Temperature Coefficient of Voc (%/°C)-0.35±0.02


 280W poly solar panel

 290W poly solar panel

 300W poly solar panel


Risun Solar Panel 280W Poly Solar Panel Quality assurance testing



Thermal cycling test


Thermal shock test


Thermal/Freezing and high humidity cycling test


Electrical isolation test


Hail impact test


Mechanical, wind and twist loading test


Salt mist test


Light and water-exposure test


Moist carbon dioxide/sulphur dioxide




Payment Safety



Payment term: 20% advanced as deposit by T/T or L/C, the rest payment paying after received B/L copy.



Frequently Asked Questions



1. What is the brand for this 280W solar panel?


 ---RISUN solarwe are the manufacturer of this 280W solar panel, small order is available, wholesales is welcomed


2. What kind of Solar Cells does it have?
---Polycrystalline 156*156mm.

3. Is the front panel Glass or Plastic?
---Tempered glass 3.2mm thickness, Light transmittance up to 95%.

4. Does it meet Europe Standards for Solar Energy?
---This is TUV approval products, all the producing procedure apply TUV&CE.

5. What is the Efficiency level?
--- Between 16-18.9% for solar cells.

6. What is the Nominal Voltage?
---18V, so it can charge 12V battery., if you want 36V, so you can charge 24V battery, just loose the cable from the solar panel and connect them in series, if you not sure what to do, just mail us.

7. What is the Warranty Period, How many years? 
---5 years; 90% output in 10 years, 80% output in 20 years; 25 years life span.




1. All our solar panels following IEC6125, IEC61730 standard, Have CE, TUV, ISO Certifications, also on Australia Clean Energy Council (CEC) list.

2. The solar cell efficiency is 16%-18.5%. All material certificate by TUV IEC test, meet the solar panel 25 years at outdoor performance.



shipping time and package safety


Shipping date: 5-15 days after we received deposit by the first available vessel to your country.



We will do our best to take care of you and if you have any questions please do not hesitate and feel free to contact us at : 1500 3743 30 .