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| Electrical Characteristics of poly solar cell panel | |||||
| Rated Maximum Power(Pmax) [W] | 325 | 330 | 335 | 340 | 345 |
| Open Circuit Voltage(Voc) [V] | 45.56 | 45.83 | 46.10 | 46.39 | 46.68 |
| Maximum Power Voltage(Vmp) [V] | 36.90 | 37.18 | 37.45 | 37.74 | 38.04 |
| Short Circuit Current(Isc) [A] | 9.28 | 9.35 | 9.46 | 9.48 | 9.55 |
| Maximum Power Current(Imp) [A] | 8.81 | 8.89 | 8.98 | 9.02 | 9.07 |
| Module Efficiency [%] | 16.5 | 16.7 | 17.0 | 17.2 | 17.5 |
| Power Tolerance | 0~+5W | ||||
| Temperature Coefficient of Isc(α_Isc) | +0.058%/℃ | ||||
| Temperature Coefficient of Voc(β_Voc) | -0.330%/℃ | ||||
| Temperature Coefficient of Pmax(γ_Pmp) | -0.400%/℃ | ||||
| STC | Irradiance 1000W/m², cell temperature 25℃, AM1.5G | ||||
Diagram of polycrystalline solar panel

>>>>> Packaging
| No.of cells | Thickness of frame | PCS/Pallet | 20GP(PCS) | 40GP(PCS) |
| 60pcs | 35mm | 30 | 360 | 840 |
| 120pcs | 35mm | 30 | 360 | 780 |
| 72pcs | 40mm | 27 | 270 | 648 |
| 144pcs | 40mm | 27 | 270 | 594 |
| 156pcs | 35mm | 30 | 300 | 660 |

>>>>> Shipping


TOPSKY ENERGY specializes in solar industry for providing solar cells,solar poly panels, solar mono panels and solar application products and Solar PV system solutions with experience over 10 years.
TOPSKY has set up two sole-funded companies in SHENZHEN ,two operating companies in HONGKONG and one Jointed Venture in JIANGSU province successively since 2005.TOPSKY is able to provide customers with annual capacity of 300MW solar cells,400MW solar panels and 60,000 sets of solar power systems.
Main products are as follows:
125mm 2BB mono solar cell, back-contact sunpower solar cells, 156mm/156.75mm poly and mono solar cells, 158.75mm/166mm polycrystalline and monocrystallline solar cells.
3W-500W standard monocrystalline and polycrystalline silicon solar panel, Mono PERC solar panels, Bifacial solar mono dual glass panel, HJT BIFI dual glass panels.
Solar cell panels, solar PET/Epoxy resin/Glass panels, small mini solar panels are offered OEM and ODM service as per customers’ request.
TOPSKY always pursues the philosophy of people -oriented and energy-saving as well as cost effectiveness to create long term value for customers.
>>>>Workshop


Q: What kind of certification of solar cell panel do you have?
A: Power from 3W to 500w panel solar with TUV,IEC61215/IEC61730,CEC,CE,UL,ETL,PID,ISO.MCS,etc.
Q: What is the warranty of solar panels?
A: 10 years warranty on material and workmanship, 25 years power warranty (90% power output in 10 years,80% in 25 years)
Q: Can you quote me the best price of solar cells solar panel?
A: We need more information about your demands, such as the power/material/Qty/etc, then We can suggest the suitable type and quote the best price for you.
Q: Can I just order some samples of small quantity?
A: Sample order in small quantity is acceptable.
>>>>>Pre sale:
>>>>>After sale:
We provide 10 years Warranty for solar panels, 10 years warranty for 90% power production ,25 years warranty for 80% power production.
We Topsky Energy are authorized distributor of Suntech&Csun brand panels---Top brand manufacturer in the world. We welcome your any inquiry.

Contact
Kara Gong
Mobile/Whatsapp: +86-18974825397
Skype:topskyenergy05
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