• Solar Panel Kit System 1
Solar Panel Kit

Solar Panel Kit

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
50 Pieces pc
Supply Capability:
2000000 Watts Per Year pc/month

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Specifications

250W Poly Solar Panel( SGP-250W)

5-25 yrs Warranty

A grade polycrystalline cell

PV TUV certification

Best quality solar

hot sale solar panel 250w for home solar system/solar energy product

 

Description:

1.high conversion efficiency

2.sealed with high transparency low-iron tempered glass, anti-aging EVA, high insulation TPT.

3.withstand high wind pressure and snow load.

4.with IEC61215/61730, TUV, CE, ISO

 

Warranty:

1) 5 years for material & workmanship;

2) 12 years for 90% power output;

3) 25 years for 80% power output.

 

Packaging & Delivery

MOQ: 50pcs

Delivery Time: 10-20 days after order confirmation

Package: Wooden carton or pallet packing

 

poly solar module

Electrical Characteristics
TypeSGP-230-60SGP-240-60SGP-250-60
Maximum power (Wp) 230Wp240Wp250Wp
Maximum power voltage (V) 30.0030.0030.00
Maximum power current (A)7.007.347.66
Open circuit voltage (V) 36.0036.0036.00
Short circuit current (A) 7.567.928.28
Cell Efficiency (%) 15.00%15.50%16.00%
FF (%) ≥74%
Maximum system voltage (V) 1000V
Temperature Range`-40 to +85
Power tolerance (%)±3%
Standard Test Conditions1000W/m2 , AM1.5 , 25C
Mechanical Characteristics
Solar cellPoly Poly Poly
Number of cells (Pcs)60(6*10)
Size of module (mm) 992*1964*45mm
Weight per piece (kg)19
Front Glass3.2 mm tempered glass
Surface Maximum Load Capacity60m/s(200kg/sq.m)
Allowable Hail Load steel ball fall down from 1m height
Frame Anodized aluminium alloy
Junction Box Type IP65 rated
Connectors MC Plug Type IV connectors
Cables 4.0mm2, 900mm
Temperature coefficients
Nominal Operating Cell Temperature45±2ºC
Temperature coefficients of Voc (%)β -2.2mV/
Temperature coefficients of Pm (%)γ -0.55%/
Temperature coefficients of Im (%)α 0.03%/
Temperature coefficients of Vm (%)β -2.2mV/

Q:What is the impact of roof shading on solar panels' efficiency?
Roof shading has a significant impact on the efficiency of solar panels. When a roof is shaded, whether by nearby trees, buildings, or other obstructions, it reduces the amount of sunlight reaching the panels. This shading creates areas of lower or no sunlight, resulting in decreased energy production. Therefore, minimizing roof shading is crucial to maximize the efficiency and overall performance of solar panels.
Q:How can I know the right type of solar panel to choose for my small village house in Africa?
The power output of a solar panel uses a formula to determine kilowatts produced per hour per square meter per day. This calculation is important because, if you plan to install a solar power system for your home, you will want to know how many solar panels will be needed. To calculate solar power requirements correctly, you need to gather the data that is needed for the calculation. First you have to find the average amount of solar radiation available for your area. You can use a solar radiation chart. This can range from a 4 to a 7 depending on the area you live in. Write the number down on a piece of paper and indicate it with the letters RA. Next is determine the amount of electricity that you use daily. Add the kilowatt-hours used per month from your utility bill. Multiply this number by ,000 to get the watt hours in a month. Divide the total by 30 for the amount of electricity you use daily. Write this number down and indicate it with the letters DE. Determine the percentage of your home that you want to power with the solar power system. Write this number down and indicate it with the letter P. Determine the system inefficiency factor for the solar power system. You should be able to find this on the brochure for the system or from the manufacturer's web site. Write this number down and indicate it by the letter I. Determine the power or yield that is required for your home. Use the equation P = I x (DE x P) / RA to find the power requirements in kWh. Divide the number from Step 5 by the peak wattage for a single solar panel to determine the number of panels you will need for your home. Goodluck! :)
Q:Can solar panels be used in multi-story buildings?
Yes, solar panels can be used in multi-story buildings. They can be installed on the roof of the building or on vertical surfaces such as walls or balconies. The availability of space and the structural integrity of the building are important factors to consider when installing solar panels in multi-story buildings.
Q:Can solar panels be used for powering a concert venue or entertainment center?
Yes, solar panels can certainly be used to power a concert venue or entertainment center. By harnessing the energy of the sun and converting it into electricity, solar panels can provide a sustainable and renewable source of power to meet the energy demands of such large venues. With advancements in solar technology and the ability to store excess energy, solar panels can effectively contribute to reducing carbon emissions and promoting a greener environment for entertainment spaces.
Q:We have LED at the output of 40 watts and is used for 0 hours giving us 400 Watts-hr of energy consumed.Rechargable batteries needed are 2 V. 400/2 gives us 34 Ampere-hour battery needed. If we want it for 3 days, It would be 34x3=00 Ah. So the battery needed 00 AhNow how do I select the solar panel which can charge this/these batteries? What should be its rating?
Be aware that you cannot discharge the full capacity of a lead-acid battery without destroying the battery. With a normal battery of this type, you would only want to discharge about 20%, so you would need a 70 AH battery bank. For the 3-day requirement, 500 AH. This is still within reason. If you didn't have the 3-day requirement, you might consider going with NiMH batteries. Back to the 500 AH bank, you would usually charge at at least 5% C, or 25 amps. At the 5 volts that you need for charging, this is 375 watts. Possibly you could go as low as 200 watts.
Q:Can solar panels be installed on a university campus or educational facility?
Yes, solar panels can certainly be installed on a university campus or educational facility. In fact, many institutions have already embraced solar energy as a sustainable and cost-effective solution. Solar panels can be installed on rooftops, parking structures, or open fields to generate clean electricity and reduce the carbon footprint of the campus. This not only helps in meeting sustainability goals but also provides an educational opportunity for students to learn about renewable energy and its environmental benefits.
Q:Can solar panels be installed on refugee camps?
Yes, solar panels can be installed on refugee camps. In fact, solar energy is often a viable and sustainable solution for providing electricity in these camps. Solar panels can be easily installed on rooftops or in open spaces, helping to meet the energy needs of refugees and improve their living conditions. Solar power can provide lighting, power for charging electronic devices, and even help run water pumps or refrigeration units. Its renewable nature and independence from the grid make it an ideal energy source for refugee camps, where access to reliable electricity is often limited.
Q:Can solar panels be used to power a concert venue?
Yes, solar panels can be used to power a concert venue. Solar panels can generate electricity from sunlight, which can then be used to power various electrical systems in a concert venue, including lighting, sound systems, and other equipment. Additionally, the excess electricity generated by solar panels can be stored in batteries for use during periods of low sunlight or high energy demand. By utilizing solar panels, concert venues can reduce their carbon footprint and contribute to a more sustainable and environmentally-friendly energy source.
Q:How Much energy does Solar Panel Produce,and How long can Solar Panels go without maintenance.
There really isn't any maintenance you need to preform...all you really have to do is clean the surface once in a while. However cleaning the surface is not crucial. A rough rating for a panel is about watt for every 9-2 square inches.
Q:i have this usb solar panel charger i am building and the solar panel is about 2by .5quot;, so i was wondering if a led light can power it, if so will one be good or would i need more? if so how many?
An LED requires an electric current to power it. A solar panel can most definitely power an LED, but LEDs don't store any power themselves. And solar panels aren't designed to be powered, they are designed to generate electricity. Rethink your premise from the start. It is as if you were asking if the electric wires in your home or community would be powered by the light bulbs and appliances you use.
We introduced the newest production line, testing machine, laser cutting machine, non-Pb soldering line, module testing machine, laminating machine and so on. We use top-quality solar cells and EVA,TPT,strengthen glass,seal silicon etc. Our experienced staff work together well to assurance quality under effective ISO system. Our Products are exported to Europe, America, Africa and other Asian countries with safety certificate.

1. Manufacturer Overview

Location Guangdong,China (Mainland)
Year Established 2008
Annual Output Value
Main Markets North America 40.31%
South America 10.71%
Eastern Europe 4.02%
Southeast Asia 5.18%
Africa 5.18%
Mid East 5.18%
Central America 1.43%
Northern Europe 26.56%
South Asia 1.43%
Company Certifications IEC61215; CE certificate; ROHS Certificate

2. Manufacturer Certificates

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3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage 81% - 90%
No.of Employees in Trade Department
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b)Factory Information  
Factory Size: 1,000-3,000 square meters
No. of Production Lines
Contract Manufacturing OEM Service Offered Buyer Label Offered
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