Favorites Compare A GRADE 300w solar panel with frame and MC4 connector

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 10000 watt

Supply Capability:: 10000000000000 watt/month

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Quick Details

Place of Origin:	Guangdong China (Mainland)	Brand Name:	CAP	Model Number:	50w100w150w200w250w300w
Material:	Monocrystalline Silicon	Size:	1385103575mm	Number of Cells:	72pcs
Max. Power:	300w	type:	solar panel	color:	blue&black
warranty:	5 years

Packaging & Delivery

Packaging Detail:	standard export package for solar panel
Delivery Detail:	7-15 days for solar panel

Specifications

solar panel
High Efficiency
25 years Warranty
High-transmissivity low-iron tempered glass

Solar Panel

50w100w150w200w250w300w

Characteristics

1,High and stable conversion efficienly based on over 4 years professional experience

2 ,High reliability with guaranteed +/-10% output power tolerance

3,Proven materials,tempered front glass,and a sturdy anodized aluminum frame allow modules to operate reliably in multiple mountily configurations

4,Combination of high efficicncy and attractive appearance

Quality and Safety

1,25 year 80%,10 year 90% power warranty 3 year power warranty

2,ISO9001:2000 (Quality Management system) certified factory

3,Product Quality warranty & products Liability Insurance to guarantee and user' benefits

4,Certifications TUV Intercert, CE Temperature Coefficients

Module Type	100w	150w	200w	250w	300w
Maximum Power at ST(Pmax)W	100wp	150wp	200wp	250wp	300wp
Maximum Power Voltage(Vmp)V	36/18	36/18	36/18	30.8v	36/18
Maximum Power Current(Imp)A	2.77/5.55	4.16/8.33	5.55/11.1	8.11A	8.33/16.66
Open Circuit Voltage(Voc)V	39.5/19.05	39.3/19.4	39.6/19.5	36.2V	39.6/19.8
Short Circuit Current(Isc)A	3.04/6.09	4.58/9.16	6.1/12.2	8.7A	9.16/18.33
Cell Efficiency(%)	18.60%	18.10%	18.60%	17.80%	18.10%
Module Efficiency(%)	17.70%	17.20%	17.70%	17.10%	17.20%
Operating Temperature°C	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C
Maximum system voltage	1000V(IEC)DC	1000V(IEC)DC	1000V(IEC)DC	1000V(IEC)DC	1000V(IEC)DC
Power tolerance	-0.03	-0.03	-0.03	-0.03	-0.03
Temperature coefficients of Pmax	-0.45%/°C	-0.45%/°C	-0.45%/°C	-0.45%/°C	-0.45%/°C
Temperature coefficients of Voc	-0.27%/°C	-0.27%/°C	-0.27%/°C	-0.27%/°C	-0.27%/°C
Temperature coefficients of Isc	0.05%/°C	0.05%/°C	0.05%/°C	0.05%/°C	0.05%/°C
Weight(kg)	8	11	14	20	25.5
Number of cell(pcs)	4*9	4*9	6*10	6*12	6*12
Dimensions(mm)	119453435/30	158080850/35	147167040/35	164099250	2000105050

Making More Solar Cells from Silicon

Silicon wafers are the conventional solar cells–they’re what absorbs sunlight and generates electrons. Yet the way wafers are currently manufactured wastes half of the expensive, ultra-pure crystalline silicon they’re made from. When large ingots of silicon are cut into hair-thin wafers, waste silicon is lost as sawdust. The new process–details of which remain secret–produces wafers directly from molten silicon without any sawing. This saves material and reduces the number of steps needed to make solar cells, both of which bring down costs.

How to Grow "Silicon" Crystals to Make Solar Cells

In industry, silicon crystals are grown to form a uniform cylinder of silicon which is used as the base material for crystalline solar cells. There is plenty of silicon about on the earth, in fact, as mentioned previously, after oxygen it is the second most abundant element. When you think that sand and quartz all contain silicon and then imagine the amount of sand in the world, you begin to realize that we are not going to run out of silicon in a hurry!

The problem with sand is that it also contains oxygen in the form of silicon dioxide, which must be removed.

The industrial process used to produce silicon requires temperatures of around 3270oF (which is about 1800oC). Obviously we can't experiment with these3 sorts of temperatures at home - but we can recreate the process!

You are going to need a saturated sugar solution; this will sit in the lid of your coffee jar. Now, take a large crystal of sugar, often sold as "rock sugar" and "glue" it to the end of the skewer. Next, drill a hole the same diameter as the skewer, and poke the skewer through the bottom of the coffee jar. Stand it on a windowsill and lower the crystal into the saturated sugar solution. Over some time, crystals should start to grow - pull the skewer up slowly, bit by bit, so that the growing crystal is still in contact with the sugar solution. This is just like the way that silicon is grown. The silicon is drawn up slowly from a bath of molten hot silicon (which is analogous to our saturated sugar solution).

Once this large crystal of silicon has been manufactured, it must be cut into slices to manufacture the solar cells.

Q:The working principle of solar cells includes the three processes: The solar cells absorb photons with a certain energy and excite unbalanced carriers (photogenerated carriers) - electron - hole pairs. These electrons and holes should have sufficient life, and they will not disappear after they are separated.

Q:What is the role of grounding systems in solar cell systems?: The role of grounding systems in solar cell systems is to provide a safe and efficient pathway for the dissipation of electrical faults and to protect the system from electrical surges and lightning strikes. Grounding systems help minimize the risk of electrical shock, equipment damage, and fire hazards by establishing a connection to the earth, allowing excess electrical energy to be safely redirected and dispersed.

Q:What should I know about the Crystalline silicon photovoltaic cells?: Crystalline silicon (c-Si) is the crystalline forms of silicon, either multicrystalline silicon (multi-Si) consisting of small crystals, or monocrystalline silicon (mono-Si), a continuous crystal. Crystalline silicon is the dominant semiconducting material used in photovoltaic technology for the production of solar cells.

Q:Can solar cells be used to power water pumps or irrigation systems?: Yes, solar cells can be used to power water pumps or irrigation systems. Solar panels can convert sunlight into electricity, which can then be used to power water pumps or irrigation systems. This is a sustainable and environmentally friendly solution as it relies on renewable energy sources.

Q:Can solar cells be used for off-grid power systems?: Yes, solar cells can be used for off-grid power systems. Solar cells convert sunlight directly into electricity, allowing them to generate power in remote locations or areas without access to the traditional power grid. They are particularly well-suited for off-grid power systems as they are reliable, renewable, and require minimal maintenance. Additionally, advancements in battery storage technology have made it possible to store excess energy generated by solar cells for use during periods of low or no sunlight, further enhancing their suitability for off-grid applications.

Q:How do solar cells handle power fluctuations in remote areas?: Solar cells can handle power fluctuations in remote areas by using a combination of energy storage systems such as batteries, inverters, and charge controllers. These components work together to store excess energy generated during peak sunlight hours and provide a stable power supply even during periods of low sunlight or high demand. This ensures a consistent and reliable power output, making solar cells an effective solution for addressing power fluctuations in remote areas.

Q:Briefly explain why solar cells are made into components: The main photovoltaic material is the crystalline silicon material (including polysilicon and monocrystalline silicon), this material is high hardness, brittleness, uneven force easily brittle, exposed to the air easily oxidized, and the use of the process can not

Q:What is the efficiency of a solar cell?: The efficiency of a solar cell refers to the percentage of sunlight it can convert into usable electrical energy.

Q:How do solar cells perform in areas with high levels of air pollution?: Solar cells can experience a decrease in performance in areas with high levels of air pollution due to reduced sunlight reaching the surface of the cells. The presence of pollutants in the atmosphere can block or scatter sunlight, leading to a decrease in the amount of energy that can be converted by the solar cells.

Q:Can solar cells be used in public transportation systems?: Yes, solar cells can be used in public transportation systems. They can be installed on the roofs of buses, trains, and trams to generate electricity from sunlight, which can be used to power various systems such as lighting, air conditioning, and onboard electronics. This helps reduce reliance on fossil fuels and lowers the carbon footprint of public transportation. Additionally, solar cells can also be integrated into bus shelters and charging stations to provide clean energy for electric buses and other vehicles.

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