- Place of Origin: Jiangsu, China (Mainland)
- Brand Name: Risun Solar Panel
- Model Number: RSM72-156P/280W
- Material: Polycrystalline Silicon
- Size: 1950*990*50
- Number of Cells: 72
- Max. Power: 280
- Certificate: CE CEC TUV ISO
- Solar Panel working time: 25 years
- Solar Panel Efficiency: above 16.8%
- Connector: compatible MC4
- solar panel Frame: Anodized aluminium alloy
- solar panel Vmp: 35.59V
- solar panel Voc: 45.33V
- solar panel Imp: 7.87A
- solar panel Isc: 8.56A
- 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 Detail:||one week after deposit|
Specifications280W 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)||260||270||280||290|
|Max Power Voltage Vm (V)||35.03||35.29||35.59||35.89|
|Max Power Current Im (A)||7.42||7.65||7.87||8.08|
|Open-Circuit Voltage Voc (V)||44.91||45.16||45.33||45.5|
|Short-Circuit Current Isc (A)||8.39||8.47||8.56||8.64|
|Maximum System Voltage (V)||DC 1000(TUV) / DC 600(UL)|
|Series Fuse Rating (A)||15|
Risun Solar Panel 280W Poly Solar Panel Components & Mechanical Data
|Front Glass||High Transparency Tempered Glass, 3.2mm|
|Junction Box||Pass the TUV Certificate PPO(black/IP65)|
|Connectors||MC4(UV resistance and self-locking/IP67)|
|Frame||Anodized aluminum alloy type 6063-T5|
|Encapsulation Material||EVA (0.50 ± 0.03mm thickness)|
|Back Foil||White TPT (0.32 ± 0.03mm thickness)|
|Fixing adhesive||Silicone 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 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 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 solar, we are the manufacturer of this 280W solar panel, small order is available, wholesales is welcomed
2. What kind of Solar Cells does it have?
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 .