Polycrystalline Silicon Solar Modules 20Watt

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Shanghai
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Min Order Qty:
200 watt
Supply Capability:
3000000 watt/month

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Product Description:

Polycrystalline Silicon Solar Modules 20WattPoly-Crystalline Module,  Poly 156 cell, 36pcs.Power 20w panel.

 

1.  Main Features of the Polycrystalline Silicon Solar Modules 20Watt Description

Warranties

1. 10 years limited product warranty

2. 15 years at 90% of the minimal rated power output

3. 25 years at 80% of the minimal rated power output

 

2. Polycrystalline Silicon Solar Modules 20Watt Specification

 poly156cell, 20w poly
Maximum Power(W)20w
Optimum Power Voltage(Vmp)17.2v
Optimum Operatige Current(Imp)1.17A
Open Circuit Voltage(Voc)21.8V
Short Circuit Current(Isc)1.23A
Solar Cell156*156mm Poly
Number of Cell(pcs)36 (2*18)
Brand Name of Solar CellsJA Cell, Bluesun Cell
Size of Module(mm)505mm*353mm*28mm
Cable & Connector TypePass the TUV Certificate
Frame(Material Corners,etc.)Anodized aluminium-alloy
Back sheetTPT
Cell Efficiency(%)13.8
Weight Per Piece(KG)2.25KG
FF (%)70-76%
Junction Box TypeIP65 PV junction box
Tolerance Wattage(e.g.+/-5%)0~3%
Front Glass Thikness(mm)3.2
Temperature Coefficients of Isc(%)+0.035%/K
Temperature Coefficients of Voc(%)-0.351%/K
Temperature Coefficients of Pm(%)-0.47%/K
Temperature Coefficients of Im(%)0.04
Temperature Coefficients of Vm(%)-0.38
Temperature Range-40°C to +85°C
Surface Maximum Load Capacity2400Pa
Allowable Hail Load23m/s ,7.53g
Bypass Diode Rating(A)12
Warranty100% of 10 years, 80% of 25 years.
Standard Test ConditionsAM1.5   1000W/m² 25 +/-2°C
Packingcarton or pallet

 

3. Detail picture of Polycrystalline Silicon Solar Modules 20Watt

Polycrystalline silicon Solar Modules 20Watt

 

4. Certificate of Polycrystalline Silicon Solar Modules 20Watt

Polycrystalline silicon Solar Modules 20Watt

 

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Q:Solar panels single crystal and double crystal in the rain which is easy to use
At present, monocrystalline silicon solar cell photoelectric conversion efficiency of about 15%, the highest reached 24%, which is all types of solar cells in the photoelectric conversion efficiency of the highest, but the production cost is so large that it can not be a large number of extensive And commonly used. Since monocrystalline silicon is typically coated with tempered glass and waterproof resin, it is rugged and durable for up to 15 years and up to 25 years.
Q:What is the main material for making solar panels?
The correct name of solar panels is solar photovoltaic panels, making its main material is monocrystalline silicon or polysilicon silicon, monocrystalline silicon silicon chip more crystalline silicon wafer photoelectric conversion rate is high, the price is also more expensive silicon wafer.
Q:What is the difference between solar panels and light panels?
Silicon solar cells are divided into monocrystalline silicon, polysilicon, amorphous silicon, silicon thin film solar cells and several. At present, the world's most widely used solar cells are silicon solar cells, in large-scale applications and industrial production is still dominated by the penetration rate of 90% or more, monocrystalline silicon solar cell photoelectric conversion efficiency of the highest technology is also the most mature.
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
From morning to night (with sunshine) solar panel voltage is generally relatively stable, that is basically about 30V; but the output power is always changing, sooner or later, noon; if it is good quality solar energy,
Q:What is the principle and structure of solar panels?
Solar power generation system consists of solar cells, solar controllers, batteries (group) composition. If the output power is AC 220V or 110V, also need to configure the inverter. The role of each part is
Q:What is the principle of solar panels work?
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:How many solar panels have ah?
The area of ​​the solar cell chip is not exactly the same as the area of ​​the solar package panel, because some solar panels, although large, single solar wafer arrangement gap is wide, so that the solar panel power is not necessarily high. 2, in general, the power of solar panels is the bigger the better, so that the current generated in the sun, and soon it will be filled with built-in battery.

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