||Number of Cells(pieces):
||low iron glass cover:
||Poly Solar Panel:
||Poly Solar Panel 300W
Place of Origin:
Hebei, China (Mainland)
Number of Cells:
0 to +6W
Voltage at Pmax (Vmp):
Current at Pmax(Imp):
We enjoy exclusive channel to get stock solar panels at more competitive price from Trina,Hanwha,Yingli,LDK,Suntech etc.
These panels are from tier 1 solar panel manufacturers,such as Trina,Hanwha,Yingli,LDK.They are assembled with all grade A materials,only problem is that they has slight appearance defect,but due to their strict quality control,even the negligible defect will lower its grade.so they put these panels into stock.
These panels adopt all grade A materials,such as solar cell,EVA, back sheet, junction box, glass,frame,connector etc.
They have same electrical performance with grade A solar panels,only difference is the negligible superficial defect.
1.Our sales representative and engineer work together to answer your questions and offer solution for free
2.We choose the best product for you to make sure it worth its real value
3.We design the best solution with good perfomance for you,manwhile save every cent of your money.
We provide 10 years Warranty for the product, 12 years warranty for 90% power production ,25 years warranty for 80% power production.
22pcs/box,1box/pallet,264pcs for 20GP,616pcs for 40GP,700pcs for 40HQ
45 days after payment
- Q:Why can not the solar panel load directly?
- Solar panels because of low power, and the output voltage is extremely unstable, not suitable for load.
- Q:What is the working principle of solar panels?
- the material is easy to industrial production and material performance and stability.
- Q:What is the main material for making solar panels?
- You can also according to their own needs, according to the power to buy a good package of solar photovoltaic products.
- Q:Can cold light make solar panels power
- Solar power generation There are two ways of solar power generation, one is the light - heat - electricity conversion, the other is the optical - electrical direct conversion.
- Q:Single crystal solar panels and polycrystalline solar panels
- Monocrystalline silicon solar cells are mainly made of monocrystalline silicon, compared with other types of solar cells, monocrystalline silicon cell conversion efficiency of the highest. In the early days, monocrystalline silicon solar cells occupied most of the market share, in 1998 after the retreat of polysilicon, the market share accounted for second. Due to the shortage of polysilicon raw materials in recent years, after 2004,
- Q:Can solar panels be connected directly to motor?
- The sun is irradiated on the semiconductor p-n junction to form a new hole-electron pair. Under the action of the p-n junction electric field, the holes flow from the n region to the p region. The electrons flow from the p region to the n region, and the current is formed after the circuit is turned on.
- Q:Composition and function of solar panels
- In addition to the quality of EVA itself, the components of the manufacturers of laminated technology is also very large, such as EVA glue degree is not up to standard, EVA and tempered glass, backplane bonding strength is not enough, will cause EVA early aging, affecting components
- Q:Polycrystalline solar panels are good or single crystal solar energy is good
- Polycrystalline silicon solar cell production process and monocrystalline silicon solar cell almost, but the polysilicon solar cell photoelectric conversion efficiency will have to reduce a lot of its photoelectric conversion efficiency of about 12% (
- Q:The voltage and power problems of solar panels
- 3, charge 12V battery when the power is really small, if it is a normal controller, then the equivalent of 18V voltage in the charge, probably 18 x (240 / 30.2) = 143w solar panels.
- Q:How many solar panels have ah?
- However, crystalline silicon (monocrystalline silicon and polysilicon) in the weak light is basically no current generation, amorphous silicon weak light type (in low light energy is rarely). So a comprehensive view, it is appropriate to use monocrystalline silicon or polycrystalline silicon solar cell materials. Second, the choice of solar cells 1, we buy solar cells, the focus is on the power of solar cells, in general, the solar panel power is proportional to the area of solar chips.
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