72cells polycrystalline solar panel uses high-efficiency perc solar cells, which can provide the most cost-effective solutions for off-grid / on-grid systems with 310 ~ 340W power.It can be widely used in photovoltaic rooftop solar off-grid systems for commercial/industrial buildings, residential photovoltaic rooftop solar off-grid systems, residential solar photovoltaic rooftop off-grid systems, any commercial/industrial ground installation off-grid systems, and other off-grid solar photovoltaic industrial and commercial applications.
|Electrical Characteristics (STC)|
|Open Circuit Voltage-Voc(V)||45.3||45.4||45.7||46.1|
|Short Circuit Current-Isc(A)||8.86||9.15||9.24||9.34|
|Voltage at Pmax-Vmp(V)||36.9||37.2||37.5||37.6|
|Current at Pmax-Imp(A）||8.4||8.47||8.53||8.64|
|Open Circuit Voltage-Voc(V)||46.3||46.5||46.6|
|Short Circuit Current-Isc(A)||9.45||9.55||9.64|
|Voltage at Pmax-Vmp(V)||37.7||37.9||38.1|
|Current at Pmax-Imp(A）||8.75||8.86||8.92|
|STC: Irradiance 1000W/㎡, Cell Temperature 25℃, Air Mass 1.5|
|Power Tolerance(W)||(0, +4.99)|
|Maximun System Voltage(V)||1000|
|Maximun Series Fuse Rating(A)||20|
|Pmax Temperature Coefficient||-0.40%/℃|
|Voc Temperature Coefficient||-0.32%/℃|
|Isc Temperature Coefficient||+0.05%/℃|
|Nominal Operating Cell Temperature(NOCT)||45±2℃|
|Solar Cells||Poly crystalline 156.75*156.75mm (72pcs)|
|Front Glass||3.2 mm tempered glass, low iron|
|Frame||Anodized aluminum alloy|
|Output Cables||4.0 m㎡, cable length: 1000mm|
|Mechanical Load||5400 Pa|
|Pieces per Pallet||26||26|
|Pallets per Container||10||22|
|Pieces per Container||260||572|
Solar cell Welding
Use automatic welding machine to connect solar cells in series
All the solar cells are made by top class brand, like TW Solar, Longi Solar
Automatic typesetting machine
After setting up the program according to the requirements of the process drawings, the typesetting machine will automatically typeset the battery string. High precision, high efficiency, low defect rate
Automatic laying of EVA, backing, automatic cutting of excess backing material
100% automation of the entire production process
Through the turning machine, completely inspect the solar panel after lamination, and record the defects and feedback to the previous process
Use the mirror to inspect the appearance of the solar modules before lamination, and repair them if they are defective;
Including temperature, power, voltage, current and other related tests, ensure 0~+5W Positive Power Tolerance
Q:Why should we buy from you not from other suppliers?
A:Our team have 10 years exprience in solar products,selling to 50 countries,we are
experienced in international business;we know suitable price and on time delivery are two key
points;we supply good service rather than other factories.
Q:Can we Visit factory?
A:Surely,our head office is in Wuxi City.One hour to Shanghai.It is very convinent.
Q:Are we Manufacturer?
A:Yes,we have own factory in wuxi city and Nanjing city.And we also have sub contract with