Best Small Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 19.9% Solar Cells

Best Small Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 19.9% Solar Cells System 1

Best Small Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 19.9% Solar Cells System 2

Best Small Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 19.9% Solar Cells

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 10000 watt

Supply Capability:: 100000000 watt/month

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Specification

Material:

Polycrystalline Silicon

Max. Power(W):

Number of Cells(pieces):

Size:

156*156

1.Product Description:

Specifications of Poly Solar Cells

Dimension	156mm X 156 mm ±0.5mm
Wafer Thickness	200um ±30um
Front(-)	Four 1.1mm wide bus bars(silver) with distance 39mm, Acid texturized surface with blue silicon nitride AR coating.
Back(+)	2.4mm wide silver/aluminum soldering pads, aluminum back surface field.

Temperature Coefficient of Poly Cells

Voc.Temp .coef.%/K	-0.351%/K
Isc.Temp .coef.%/K	+0.035%/K
Pm.Temp. coef.%/K	-0.47%/K

Electrical Characteristic of Poly Cells

Efficiency code		1720	1740	1760	1780	1820	1840
Efficiency (min)	(%)	17.2	17.4	17.6	17.8	18.2	18.4
Pmax	(W)	4.186	4.234	4.283	4.332	4.429	4.478
Voc	(V)	0.631	0.632	0.634	0.636	0.640	0.642
Isc	(A)	8.446	8.485	8.523	8.573	8.660	8.700
Vmp	(V)	0.525	0.527	0.529	0.531	0.535	0.537
Imp	(A)	7.973	8.035	8.097	8.160	8.280	8.340

2.Advantages of Poly Solar Cells

1). Tire-1 Solar Cells’ Manufacturer Quality Guarantee. With a complete and sophisticated quality government system, our Quality Management have arrived world’s leading place. Customer can receive Tire-1 Cells Maker’s Quality Standard Products.

2). Trusted Warranty. We can supply trusted after-sales service to our customer. If our cells are found not in conformity to the specification of manufacturer, or should the inspected quantity found in shortage, or should the packing found damaged, the buyer has the right to claim to the seller. The claim, if any, should be presented to seller within 30 days after cargo's arrival date to the port, together with related inspection report and photos issued and provided by a reputable independent surveyor such as SGS.

3). World’s Leading Manufacturer Equipment. We imported the newest and leading production equipment from abroad. Advanced equipment can guarantee the stable quality of cells. Auto production line can also save labor cost which will further cut our production cost.

4). Bulk supply: With the production capacity of 500MW, we can produce large quantity every month. This can satisfy most customer requirement.

3.Usage and Applications of Poly Cells

Solar cells are often electrically connected and encapsulated as a module.

Photovoltaic modules often have a sheet of glass on the front (sun up) side, allowing light to pass while protecting the semiconductor wafers from abrasion and impact due to wind-driven debris, rain, hail, etc. Solar cells are also usually connected in series in modules, creating an additive voltage.

Connecting cells in parallel will yield a higher current;our solar cells have passed IEC Certification.

With high quality and stable quality. Our Cells can greatly improve the performance of Solar Modules.

4.Pictures of Product

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 19.9%

5.Packaging & Delivery of Poly Cells

Carton Box Package and Deliver by air. It should be noticed that it should be avoid water, sunshine and moist.

We have organized several common questions for our clients，may help you sincerely：

6.FAQ

1. What’s price per watt?

A: It’s depends on the quantity, delivery date and payment terms of the order. We can talk further about the detail price issue. Our products is high quality with lower price level.

2. Can you tell me the parameter of your solar cells?

We have different series of cells with different power output, both from c-si to a-si. Please take our specification sheet for your reference.

3. How do you pack your products?

We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.

4. Can you do OEM for us?

Yes, we can.

5. How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The perfect time of receiving is related to the state and position of customers. Commonly 7 to 10 working days can be served.

Q: Can solar panels be used in combination with wind turbines?: Yes, solar panels can be used in combination with wind turbines. This combination of renewable energy sources allows for a more reliable and consistent power generation, as wind and sunlight are complementary in nature. By integrating solar panels and wind turbines, the system can generate electricity during both day and night, as well as in varying weather conditions, maximizing energy output and increasing overall efficiency.

Q: So, I've seen cheap solar panel kits for sale from Harbor Freight, and regardless of whether or not I were to buy a set from them or someone else, I was wondering what the process of implementing a small-scale solar system into your household electrical system would be.I've read articles that started out too in-depth or were speaking of systems on a much larger scale.Can it be as easy as buying the panels and inverter, and plugging it into a socket, or is there more to it?Some of the articles I was reading had mentioned having to contract with your electrical supplier, having to have an electrician tie it all in in some special/ necessary way, using a battery pack (would this be necessary for a tied-in system?), or using the system to only power single items, like a water heater, or plugging items into a connected battery-pack, all of which I'm not sure is necessary or needed for what my goals/ means are/ would be.: Take okorder /... This unit produces 45W for $90. Inverter is extra. Let's say this unit produces that amount of power for a full 2 hours a day, that's 45W * 2h = 540 Wh or 0.54kWh. If I save that from my electrical company, I would pay about 5 cents. $90 then takes 3800 days or 0 years. At that point, you haven't actually made any money, you've simply recovered what you paid out to buy the unit 0 years ago. Yes, electrical power prices will be going up over the long term but the output of this unit is also not going to be 45W over its lifetime (if it even lasts 0 years) so I really question the economics.

Q: i was told that by making a solar panel they cause more pollution than they will end up getting rid of. Is that true?: The amount of energy needed to extract the raw materials from the Earth exceeds the amount the finished PV panels produce.Processing the materals takes additional energy.After manufacturing they have to be transported.Photovoltaic panels only generate </2 volt per square inch in bright sunlight.They become less efficient when they get dirty.

Q: Okay so.. if light deflect the light of the sun and black absorbs it, then aren't solar panels just absorbing more light, sun and heat into our atmosphere? Wouldn't this lead to an increase in global warming? Shouldn't solar panals be white? No rude answers please.: There are two basic types of solar panels. ) Thermal absorbers 2) Photovoltaics Thermal absorbers are black in order to convert sunlight to thermal (heat) energy. The whole idea is to capture all of the light with a dark surface, convert it to thermal energy and transfer the energy into your home for water heating or space heating. If you make the surface white or reflective, then the surface will absorb only a small fraction of the available light, hence the efficiency will be very low. In other words, the panel will not produce any heat. Photovoltaic panels produce electricity instead of heat energy. Photovoltaic panels are made from thin slices (“waffers”) of silicon with special coatings on the front and back surface. One of these coatings on the front is an antireflection coating to capture the light and channel it toward the silicon. Underneath the antireflection coating the silicon waffer is coated with other chemicals that convert the sunlight to electricity. The combination of these coatings gives the panel a dark color, usually blue or black. Here's the bottom line. If you want thermal heat or electricity from solar panels, the panels have to capture the light. When that light is captured, the surface appears dark because no light (or very little) light is reflected back to our eyes. It is not possible for a surface to be an efficient absorber, capturing all available light, and at the same time appear white or bright color or reflective to our eyes.

Q: When people buy small solar panels, what are the steps to making it actually charge or run something.. I'm completely new to this of course and im curious. what kinda of wire and other devices are needed and how do you attach the wire and everything..: It is quite complex from an engineering point of view. If the objective is academic, then it is worth the education for a small system. If it is to save money, whether it is viable depends what are the current rates where U are and a whole bunch of issues. The current technologies available are very far from one size fits all! Hope this answers your question

Q: Can I add reflectors or mirrors around the solar panels to increase the power they generate?: In the 70's when silicon was really expensive, they played with using fresnel lenses to focus the sunlight on small solar cells but these panels had to be on heliostats and aimed directly at the Sun. These days, with nano-technology, there's a renewed interest in the concept but the fundamental weakness is that there are diminishing returns, at some point, it's just less expensive to have more solar cells.

Q: How do solar panels affect the aesthetics of a roof?: Solar panels can have both positive and negative effects on the aesthetics of a roof. On one hand, the sleek and modern design of solar panels can enhance the overall appearance of a roof, giving it a more futuristic and eco-friendly look. On the other hand, the presence of solar panels can be seen as an obstruction or deviation from the traditional appearance of a roof, which some individuals may find unappealing. Ultimately, the impact on aesthetics will depend on personal preference and the integration of solar panels into the overall design of the building.

Q: Can solar panels be installed on a balcony or terrace?: Yes, solar panels can be installed on a balcony or terrace as long as there is sufficient sunlight exposure and structural support in place to hold the panels securely.