Polycrystalline Solar Panels for Rooftop Systems

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CNBM Polycrystalline Solar Panels for Rooftop Systems

Polycrystalline Solar Panels for Rooftop Systems

Solar panel refers either to a photovoltaic (PV) module, a solar hot water panel, or to a set of solar photovoltaic modules electrically connected and mounted on a supporting structure. A PV module is a packaged, connected assembly of solar cells. Solar panels can be used as a component of a larger photovoltaic system to generate and supply electricity in commercial and residential applications. Each module is rated by its DC output power under standard test conditions, and typically ranges from 100 to 320 watts. The efficiency of a module determines the area of a module given the same rated output – an 8% efficient 230 watt module will have twice the area of a 16% efficient 230 watt module. There are a few solar panels available that are exceeding 19% efficiency. A single solar module can produce only a limited amount of power; most installations contain multiple modules. A photovoltaic system typically includes a panel or an array of solar modules, an inverter, and sometimes a battery and/or solar tracker and interconnection wiring.


solar panels from 5W--300W, made of TAIWAN MOTECH brand cells,with CO in TAIWAN,Mono and Poly with VDE,IEC,CSA,UL,CE,ISO.

We import solar cells from Taiwan Motech brand, with this CO in taiwan and our CSA certification,we can still sell goods to Anti-dumping areas like USA. Our main products are solar panels, off grid and on grid solar home systems , solar street lighting systems, solar water heating system,solar pump,solar attic fan, solar DC LED lights and solar DC refrigerators.

Certificates : ISO, CE, VDE IEC, MCS, CSA-UL, CEC.
Delivery time: sample 10days, order 25-30days.
Sample: charged.
Payment term: T/T 30% as deposit, 70% before shipment. Or irrevocable L/C at sight.
Trade term: FOB Shenzhen or CIF destination seaport or Airport.


I.Solar Cell : High efficiency crystalline solar cell. Even if under the weak light, the solar module can produce maximum power output.
II.Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase the power output and mechanical strength of solar module.
III.EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.
IV.AI frame: Without screw, corner connection. 6 holes on the frame can be installed easily.
V.Junction box: Multi function junction box with water proof.
VI.Long lifetime:
25 years; Less power decrease.
VII.Good performance of preventing from atrocious weather such as wind and hails.
VIII.Resisting moisture and etching effectively, not effected by geology.
IX.The certificate issued by international authority: UL, TUV, IEC, VDE, CE.

Quality and Safety

1. Rigorous quality control meets the highest international standards.

2. High-transmissivity low-iron tempered glass, strong aluminium frame.

3. Using UV-resistant silicon.

4. IS09001/14001/CE/TUV/UL  


1. 10 years limited product warranty

2. 15 years at 90% of the minimal rated power output

3. 25 years at 80% of the minimal rated power output

Technical date :


Poly 156*156 cell ,60pcs . Power range from   230Wp-260Wp

Maximum Power(W)








Optimum Power Voltage(Vmp)








Optimum Operatige Current(Imp)








Open Circuit Voltage(Voc)








Short Circuit Current(Isc)








Solar Cell:

156*156 Poly

Number of Cell(pcs)


Name of Solar Cells

Polycrystalline Cell

Size of Module(mm)


Cable & Connector Type

Pass the TUV Certificate

Frame(Material Corners,etc.)


Back sheet


Weight Per Piece(KG)


FF (%)


Junction Box Type

Pass the TUV Certificate

Tolerance Wattage(e.g.+/-5%)

±3%, or 0-3%

Front Glass Thickness(mm)


Temperature Coefficients of Isc(%)


Temperature Coefficients of Voc(%)


Temperature Coefficients of Pm(%)


Temperature Coefficients of Im(%)


Temperature Coefficients of Vm(%)


Temperature Range

-40°C to +85°C

Surface Maximum Load Capacity


Allowable Hail Load

23m/s ,7.53g

Bypass Diode Rating(A)



90% of 10 years, 80% of 25 years.

Standard Test Conditions

AM1.5   1000W/ 25 +/-2°C


carton or pallet


14 Pallets / 316pcs


25 Pallets / 700pcs



I..Will you focus on the safety of the goods during transportation?

Yes, Safety of the cargo is the primary element that we would consider on transportation.

II..How would guarantee the quality will meet the requirements of your clients?

Before shipment, we will have inspection for each batch of goods.

III..What certificates do you have?


IV..Can you do OEM according to clients’ requirements?

Yes, we have our own brand while we can provide OEM service.

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Q:How much power is generated with solar panels?
If you put 'solar world statistics' into a search engine, you will discover that there are many statistics that are being heavily contested. Picking up the truth from among hype is the task. Solar panels typically have a rated maximum output of about 0 watts per sq metre. But actual delivery to grids of kWh would point to a number closer to 4 watts / sq M. on a 24 hour basis. Grid management is thus cautious about yield claims when history points to only /8 of rated maximum output. There may be some inappropriate expectations, when a solar roof is first powering the building, and only selling excess to the grid.
Q:What solar panels are the most efficient?
Thats pretty much it for commercially available panels. The only ones more efficient are the one's they put on the Mars landers. They are triple layer panels that catch different spectrum's of light, much more efficient. Millions of dollars more.
Q:How many solar panels would I need to power my washer machine?
P(Watts) = I(Amps) x V(Volts) Power = 9.6 x 20 Power = ,52 Watts. Therefore you would require 6 x 208Watt solar panels to power the machine on a clear bright day, many more on a cloudy or dull day. Sorry to be a little rain cloud!
Q:Do I need to run a ground form my solar panel?
Did you ever evaluate possessing the equipment your self? Why not take all of the tax incentives your self? Why pay an identical fee in 7 years from now? that may not a honest deal. Did you ever verify with them what might ensue once you want to sell your place before the tip of the lease? Our enterprise has put in photograph voltaic panel structures in 8 states in the Northeast and we adore to work out the tip consumer identifying to purchase the photograph voltaic array. we glance on the lease ideas as a final motel if there's a financing situation. the guy who owns it makes the money, short and easy. concerning utilising it whilst the capacity is going down, the inverters can not function whilst there is not any grid capacity. you may proceed to function utilising a battery equipment and yet another inverter, yet that will advance your fee extremely plenty as properly. you should use yet another generator as properly, which may be a less costly fee selection. you want somebody who's staring at on your appropriate interest, and not their very own investor. you've got your equipment value paid returned in basically some years!
Q:How many solar panels?
My guess is that you might find everything concerning solar power at www.okorder.com.
Q:Can I plug a solar panel into a wall socket to lower my electric bill?
You can use a solar panel to heat water, and you can generate electricity, but you can't plug it into a wall socket. The most effective way to save on your energy bill is by heating water. Solar panels that produce electricity, don't store it. They produce it for that particular time, and if you're not there to use it, it's gone. Furthermore, the electricity isn't always regular, it may have peaks and shortages. The best way to tap into that, would be to sell the electricity you produce to the grid, and then buy it back when you use it.
Q:How I can get 300- 500 Wh of energy using Solar Panel?
go buy some 90's Arco solar panels. they're about 2x5 inches and produce 60 watts (24 volts x 2 amps) in full sunlight. then mount them up on a rig that tracks the path of the sun all day long. not all solar panels are created the same. the ones you get at harbor freight will be less efficient than the ones you buy from some guy whose father got the panel as a gift from a business party in the 990s.
Q:2V Solar panel directly to 2V inverter...and restult.?
. A 5 WATT panel can NOT power a 300 WATT inverter. 2. IF using 2 volts, then you need a 2 volt battery in the circuit as well. Panel charges battery which powers inverter. When the inverter pulls more power than the panel puts out, it gets it from the battery until the voltage drops low enough to shut down the inverter. NOTE: SOME cheap units do NOT have protective circuitry, and when the voltage drops, the current rises and burns them up.
Q:Power tester for solar panel?
Q:solar panel question?
Depending on the type of solar panel, any where from 6% to 42.8%.

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