CNBM Poly Crystalline Solar PV Modules 305W

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100000 watt
Supply Capability:
10000000 watt/month

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 305 Number of Cells(pieces): 72

Product Description:

About us
CNBM International Corp, established in 2004, is the business entity for trade and logistic of CNBM Group.With the advantages in Cement, Composite Materials, New Building Materials and Engineering, CNBM mainly concentrate on coal, steel and construction equipments and give priority to solar and wind energy development.CNBM International is highly recognized by its business partners and clients all over the world and has established good business relationship with the customers in over 120 countries and regions all over the world.


Poly crystalline PV modules 205W




Process is as follows:  

1, the battery test

2, positive Welding - Inspection –

3, on the back of cascading - Inspection –

4, laying (glass cleaning, material cutting, glass pre-processing, laying) –

5, laminating –

6, to flash ( to the side, cleaning) –

7, fitted border (glue, loading angle keys, punching, install box, scrub I glue) –

8, the welding junction box –

9, high-pressure test –

10, component testing -- -

11 appearance inspection, packaging and storage;  


CNBM Poly Crystalline Solar PV Modules 305W



 1.   How long will my inquiry get response?

         Your inquiry related to our products or prices will be replied within 24 hours.  

 2.  Can I get professional service and suggestion?

        Well-trained and experienced staffs to answer all your questions in fluent English.  

 3.  Do you accept OEM or customized design?

        OEM & ODM, any your customized lightings we can help you to design and put into product.

 4.  What if I need specific design?

        Distributorship are offered for your unique design and some our current models.




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Q:How to prepare solar panels?
Q:How much do solar panels usually cost?
You can log in alibaba,i purchased about 20000watts 2 years ago and solar panels work efficiency is fairly high. I hope my answer help you !
Q:Do solar panels keep a structure cooler?
I asked the same question once to a PV install during a seminar a few years back, and he explained the following: No, PV panels do not reflect or absorb much heat from going into the building below but there is a reason for this: PV panels that reflect / absorb heat produce less electricity. They are designed to Thermally Transparent. Even worse if installed incorrectly without a good angle and air gap to allow the heat to escape the panels will actually trap this heat and increase the interior temperature of the building below! Below is the scientific analysis that is quite verbose but has two nice graphs at the end. To summarize: Adding PV panels, at best, shaded the building enough to reduce the load of the interior A/C unit by .8 kWh/sq-m/year. The electricity generated by the panels was about 356 kWh/sq-m/year. You can see the big advantage of PV panels is to make power, not reflect heat. Proper insulation is much cheaper and will do a much better job. Don’t worry, I was shocked too, but like anything it makes sense after it is explained.
Q:What home appliance can be powered by a solar panel?
that's going to take approximately $forty 4,000 to place sufficient photograph voltaic panels to furnish the comparable quantity of skill which you at the instant have coming from a 220 v a hundred amp skill line on your place. you additionally must understand which you truly want some approach of storage for use at night or dark days. this might upload yet another $7,000 to the fee. the only actual answer for the skill issue is nuclear skill.
Q:How do you get electricity in a rainy day if you have solar panels?
Well you will not be able to produce any new electricity during cloudy or rainy times,your whole system has to be connected to a group of batteries to store the power you do make when the sun is shining.That is the power you will have to run on until the sun shines again.The more batteries you have storing power the longer you can go between recharges.
Q:how often do you have to replace solar panels?
My panels came with a 25 year warranty. I will have to replace the converter ($000) at some point, 2-5 year mark. I should breakeven within 6 years thanks to great rebates in my area. I've heard that they lose some efficiency over time, but I know people who have had panels for over 0 years and if they have drop off some, it isn't noticable.
Q:What are solar panels made of?
Well i am not sure but to my knowledge all i know is that the purpose is to save solar cells which are later created into energy Solar energy is generated from solar panels. Solar panels are slabs of semi-conductor metal. Technically speaking, they are a slab of silicon semi-conductor doped or added with impurities to make it a better conductor. Solar panels could also be made of Gallium Arsenide which is a semi-conductor metal exclusively used in photo-voltaic cells. The silicon slabs are polished and glossed before doping. After processing, for protection, a thin glass layer is embossed on the solar cells slab. Silicon also is shiny and reflects about 35% of sunlight. Hence, an anti-reflective coating is usually applied over the slabs to reduce the amount of sunlight lost. Amorphous silicon solar panels are different from the traditional ones made from silicon slabs. Amorphous silicon solar cells are thinner and more efficient that the silicon ones and also the materials cost of this variety is far lesser than the traditional. Amorphous silicon slabs are developed with superior processes which makes them less susceptible to breakage during transportation. This makes them a more viable investment when it comes to buying solar panels.
Q:Is this a good kit for building a solar panel?
i like Eric's answer. that is conceivable to construct your man or woman panels via wiring mutually man or woman photograph voltaic cells. that is an exciting element of do, yet isn't a thank you to save money. in view that such panels are unlawful to hook up with the grid, you could result making use of them with batteries, and paying extra for electrical energy than in simple terms paying for it from the electrical powered company. photograph voltaic can ultimately save money, yet to do this, you often spend the equivalent of five, 0, possibly 5 years of electric expenses up front, then have decreased or close to-0 expenses thereafter. once you're obtainable, truthfully look into installation extra insulation and weatherproofing on your place. you additionally can evaluate paying for and installation a photograph voltaic water heater.
Q:explanation of solar panels?
It depends upon your product. If it is a solar panel, I want to know if it is a photovoltaic panel or a thermal panel. If you don't know enough to know the difference for your question it might be somewhat difficult to suggest others should buy them. Products have to be marketed to a need either already felt or not so apparent. Photovoltaic panels supply an electric need and will offset electrical usage or may supply the grid if there is excess power. A discussion of payback periods including property values will be needed in any event. Thermal panels supply heat and hot water. They are more efficient than photovoltaic panels and will give faster payback times. (are cheaper) If you are a bit more specific more information may be possible.
Q:Help choosing solar panels?
first example: house roof is 20' x 20' 20' = 240, so sq. inches of roof is = 57,600 say rain fall for your area is 3 per month on average. 57,600 x 3 = 72,800 of rain collected. Using the conversion chart link above, that many cubic inches of water = 750 gallons of water free per month. Look at your water bill and see how much you use. Solar panels take on average 2-20 yrs to pay themselves off, just in time for them to be replaced. Paddle wheels go on for just about forever. We still find large paddle wheel mills in the USA that are over 200 yrs old, and still functioning.

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