250w Passive Solar Panels Medium Solar Panel Factory Direct Sale CNBM

250w Passive Solar Panels Medium Solar Panel Factory Direct Sale CNBM

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 10 set

Supply Capability:: 300000 set/month

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Polycrystalline Solar Modules

CNBM offers a range of small, medium and large polycrystalline solar modules, designed for a range of requirements.

250W Poly solar Panel Medium Solar Panel Factory Directly Sale CNBM

Specifications:

Tolerance	+/-3%
Cell	Polycrystalline silicon solar cells (156 x 156mm)
N0. of Cells	60 (10 x 6)
Dimension of Modules (mm)	1650 x 990 x 40
Weight (kg)	25.5

Limits:

Operating Temperature	-40~+85?
Storage Temperature	-40~+85?
Maximum System Voltage	1000 VDC max.
Hail Impact	Diameter of 28mm with impact speed of 86km/h

Temperature and Coefficients:

NOCT	48C+/-2?
Voltage temperature coefficient (%/K)	-0.35
Current temperature coefficient (%/K)	0.05
Power temperature coefficient (%/K)	-0.45

Characteristics:

Model:	SGM-200P	SGM-210P	SGM-220P
Max-power voltage Vmp (V)	29.2	29.4	29.41
Max-power current Imp (A)	6.85	7.14	7.48
Open-circuit voltage Voc (V)	36.5	36.69	36.9
Short-Circuit Current Isc (A)	7.28	7.6	7.93
Max-power Pm(W)	200	210	220

Model:	SGM-230P
Max-power voltage Vmp (V)	29.8
Max-power current Imp (A)	7.72
Open-circuit voltage Voc (V)	37.31
Short-Circuit Current Isc (A)	8.19
Max-power Pm(W)	230

STC: Irradiance 1000W/m2, module temperature 25?, AM-=1.5

Poly Crystalline Solar Panels Specifications Range

Maximum Power (Pm)	Dimension	Weight	Operating Voltage (Vmp)	Operating Current (Imp)	Open Circuit Voltage (Voc)	Short Circuit Current (Isc)
0.45W	140x80x10mm	0.08kg	3.3V	150mA	4.6V	160mA
1.0W	162x140x10mm	0.16kg	7.5V	150mA	10.3V	160mA
4.5W	269x251x23mm	0.8kg	16.5V	0.27A	20.5V	0.3A
10W	420.1×268.9×22.6mm	1.92kg	17.5V	0.58A	20.5V	0.6A
20W	425x502x50mm	3.0kg	16.8V	1.19A	21.0V	1.29A
30W	593x502x22.6mm	3.9kg	16.8V	1.78A	21.0V	1.94A
40W	655x537x50mm	5.75kg	17.3V	2.31A	22.1V	2.54A
50W	839x537x50mm	6.0kg	17.5V	2.9A	21.8V	3.17A
65W	1111x502x50mm	7.2kg	17.6V	3.69A	22.1V	3.99A
80W	1204x537x50mm	7.7kg	17.6V	4.55A	22.1V	4.8A

Q: How do solar panels affect the electricity bill?: Solar panels can significantly reduce or even eliminate electricity bills by generating clean, renewable energy from the sun. When solar panels produce more electricity than a household consumes, the excess energy can be fed back into the grid, resulting in credits or monetary compensation. This process, known as net metering, allows homeowners to offset their electricity usage and potentially receive lower bills or even payments from their utility company.

Q: Are there any free classes to learn about solar energy and building a solar panel: There okorder . Building solar panels, none. There are internet sites where you can buy unframed panels to design your own. but you need a current stabilizer and possibly a power inverter to go with it.

Q: How do solar panels affect the electrical grid?: Solar panels affect the electrical grid by supplying clean and renewable energy. When solar panels generate excess electricity, it can be fed back into the grid, reducing the overall demand for fossil fuel-based power generation. This helps to stabilize the grid and reduce carbon emissions. However, the intermittent nature of solar power can create challenges for grid operators in managing variations in supply and demand.

Q: Can solar panels be installed on government buildings?: Yes, solar panels can be installed on government buildings. In fact, many governments around the world are actively promoting the adoption of renewable energy sources, including solar power, in their buildings to reduce carbon emissions and promote sustainability. Installing solar panels on government buildings not only helps in reducing energy costs but also sets an example for the public and encourages wider adoption of renewable energy.

Q: Can solar panels be installed on parking lots or garages?: Yes, solar panels can definitely be installed on parking lots or garages. In fact, these areas are often ideal for solar panel installations due to their large, open spaces and exposure to sunlight. Installing solar panels on parking lots or garages not only helps generate clean energy, but also provides shade and protection for vehicles, making it a practical and sustainable solution.

Q: Can solar panels be used in areas with high levels of drought?: Yes, solar panels can be used in areas with high levels of drought. Solar panels do not require water to generate electricity, as they rely on sunlight to produce energy. Therefore, they can be effectively utilized in regions experiencing drought conditions without any significant impact on their performance or efficiency.

Q: All I want to power is a small ice-maker (250 watts) for 25 minutes per day. That's all!!!Can I do that by using a 00 watt panel with 2-3 deep cycle batteries and getting 0 hours of quality light per day.(BTW) what size converter would you recommend? I want more than I need to grow the system: If okorder and they ship across the US and Canada.

Q: I own a townhome in the Phoenix area (my power company's SRP, if that makes a difference). Phoenix is a great place for solar. I could probably save money, in the long term, if I got some solar panels.But I am currently extremely broke, so I can't buy solar panels unless I will more or less immediately be paying no more than I am now per month, with little or nothing down. And most of the solar leasing places won't work with me, because (as is common for townhomes) I don't technically own my roof. I have permission to put things on it, but the property management people (or whoever actually owns my roof) won't sign the lease or whatever.Anyone know of either a way to buy solar panels without paying significantly more per month than I already do for electricity, or a solar leasing company that can work with the restrictions I have?: There are companies who would install solar panels on your roof for no cost. The catch is that they get the power generated for the first 20 years which is the useful life of the panels then you get what's left of the obsolete panels, meanwhile you're required to purchase your power from them at allegedly reduced rates but there is no guarantee that they would remain reduced versus the market once they have you locked in. It's like how the cell phone companies will give you a free cell phone if you sign a contract. Keep in mind that once you've factored in the installation costs and the useful life of the panels, the effective costs of solar photovoltaic energy is about 23 cents to 43 cents a kwh while grid power is about 5 cents per kwh to the consumer, 3 cents per kwh to the utilities for coal generation. It's just that so few people understand how to project an initial capital expense with periodic future returns through discounted cash flow, hence people think solar power is free out of ignorance. Without government incentives, there are no economic benefits to solar and most solar installers structure the sales such that they gain the economic benefit instead of the consumer who is often ignorant of how to calculate the financials.

Q: How much per sq inch do they cost? Will i have to worry about them blowing off during hurricane season? If the sun isnt out for a week will my power go out? Will I have to check them every week and check which ones arent working and replace them? Is there anyway for them to be damaged by acid rain or any type of erosion like hail? When do I have to replace them? How do I dispose of old ones (like recycling)? What is smarter and more economical having few big panels or many small ones? I know I have alot of questions but I want a good detailed answer.: What's your Source (Optional)

Q: Okay, so I have a science fair coming up soon and I need help with my project. SO - What should I use to demonstrate with the propeller? A toy boat? Plane? And I only have mini solar panels ; so how do I put the solar panels on the toy boat/plane to make the propeller move off of the sun's energy? Thanks. Steps please!: Solar panels produce electricity. To move the propeller you need mechanical motion. An Electric motor converts from electrical to mechanical power. Most Solar Panels produce DC electricity as do batteries so you need a DC motor that is sized to match the Output of your solar panels. For small temporary projects like this I find that hot melt glue is great to assemble parts. Using a voltage meter you can expose your solar panels to a strong light (or one equal to what you expect during your demonstration) and measure the voltage across the terminals. This may help to size the motor. It depends upon the size of your propeller and how it is made. Your three choices are to use it to power an airplane, to power a boat underwater or to power a boat like an air boat. You might also use the air boat concept to make a car. (air car) The air boat might be the simplest to make but you will need a body of water to demonstrate the concept. The air car doesn't have such a requirement.

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