250W MonoPV Solar Panel with Wholesale Price CNBM

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10 set
Supply Capability:
300000 set/month

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Product Description:

250W Monocrystalline PV Solar Panel

Quick Details

Place of Origin:

China (Mainland)

Brand Name:

CNBM

Model Number:

XRP-156M-250W

Material:

Monocrystalline Silicon

Size:

1620x992x40mm

Number of Cells:

60

Max. Power:

250w

Optimum Operating Voltage (Vmp):

28.8V

Optimum Operating Current (Imp):

8.68A

Open Circuit Voltage (Voc):

36V

Short Circuit Current (Isc):

8.87A

Maximum Power at STC (Pmax):

250W

Operating Module Temperature:

-40 °C to +85 °C

Maximum System Voltage:

1000 V DC (IEC) / 600V DC (UL)

Maximum Series Fuse Rating:

15A

Packaging & Delivery

Delivery Detail:

two weeks after order confirmation

  

 Features:

1) High Module conversion efficiency, through superior manufacturing technology

2) 0 to +5W positive tolerance for mainstream products

3) Certified to withstand high wind loads and snow loads

4) Anodized aluminum is for improving corrosion resistance

5) Anti-reflective, Highly transparent, low iron tempered glass

6) Excellent performance under low light environment

 

 

Benefit:

 

25-year performance warrant

10-year Product warranty

 

 

Electrical Characteristics: 

Item No.

XRM-250W

Optimum Operating Voltage (Vmp)

28.8V

Optimum Operating Current (Imp)

8.68A

Open Circuit Voltage (Voc)

36V

Short Circuit Current (Isc)

8.87A

Maximum Power at STC (Pmax)

250W

Cell  Efficiency

 17.70%

Operating Module Temperature

   -40 °C to +85 °C

Maximum System Voltage

  1000 V DC (IEC) / 600V DC (UL)

Maximum Series Fuse Rating

15A

Power Tolerance

   0/+5 %

 

STC:  lrradiance 1000 W/m2, module temperature 25 °C, AM=1.5;

Best in Class AAA solar simulator (IEC 60904-9) used, power measurement uncertainty is within +/- 3%

 

Mechanical Characteristics:

 

No. of Cells

60(6X10)

Dimensions

1640x992x40MM

Weight

20.0KGS

Front 

Glass 4.0 mm  tempered glass

Frame

Anodized aluminium alloy

 

Temperature Characteristics:

 

Nominal Operating Cell Temperature (NOCT)

45±2°C

Temperature Coefficient of Pmax 

-0.44 %/°C

Temperature Coefficient of Voc

-0.33 %/°C

Temperature Coefficient of Isc 

 0.055 %/°C

 

  • Refer to the Wmp range

       Our factory can produce solar panel and solar module from 1.5W-290w (1.5w, 2.5w, 5w, 10w, 20w, 40w, 50w, 60w, 80w,   85w, 125w, 135w, 150w, 165w, 180w), according to customers requirement.

 

       (A). Wmp range: 0.01W-6W, to be sealed with epoxy resin on PCB (printed circuit board), or to be sealed in plastic directly.

       (B). Wmp range: 0.01W-15W, to be encapsulated with PET, on PCB (printed circuit board)

       (C). Wmp range: 1W-60W, to be encapsulated with PET, on stainless steel, with holes for assembling purpose.

       (D). Wmp range: 1W-290W, to be encapsulated with tempered glass, EVA, TPT, together with aluminium frame, junction box and (if necessary)diode and cable.

 

  • Refer to the material:

       Monocrystalline solar cell or polycrystalline solar cell

       Efficiency range 14%-17%, cell size 5/6.

 

 

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Q:Are solar Panels worth it?
“Where you have good (sunlight) and access to financing and a combination of federal and state incentives, you have a number of markets around the country that are very vibrant, and it’s very cost-effective with financial paybacks in the order of five and 0 years,” said Robert Margolis, a senior energy analyst at National Renewable Energy Laboratory (NREL).
Q:A question about central a/c and roof solar panels?
Solar okorder.com/
Q:Question about solar panels?
One key piece of information missing is the average number of peak sun hours per day. This will vary by location. It is latitude, regional weather, and site shading must be considered. Another consideration is the loses. The 60 watt solar panel is a DC voltage. The 2300 kWh is for the AC power consumed. There are loses in the inverter to change the electricity from DC to AC. There are also loses for wire resistance, soiling of the panels, wire resistance, etc. To work out an example of the math, I'll use 5 peak sun hours and a total efficiency of 80%. The math can be worked out as a single formula but I'll break it into steps for you. (2300 kwh/month)(month/30.4 days) = 75.65 kWh/day (60 W)(5 psh)(80%) = 240 Wh/day = 0.24 kWh/day/panel # of panels needed = Energy use / Energy generated (75.65 kWh/day) / (0.24 kWh/day/panel) = 36 panels.
Q:Where are the best places to put solar panels?
Photovoltaic panels are designed to be put on a roof, exposed (obviously) to sun, but also rain, snow, and wind. Generally, there is even a rating for something like hail. A good mounting system will be stronger than the underlying roof, so will withstand most anything short of a direct hit by a tornado or hurricane. There are a few panels from the 70's (that's the 970's) still in operation, I believe. They look horrible, but are still producing a little electricity. Since then, housings have improved, and panels generally have a 25-year warranty today (some cheap ones are 20-year warranty).
Q:What if anything has been done to channel light power other than solar panels?
Have you seen the industrial solar power tower they built in Spain? It has a very large collection of mirrors which direct sunlight toward a single point at the top of a large tower. There a boiler turbine generates a lot of electricity! It is a genius concept that could easily be installed in North American deserts.
Q:simple definition of how a solar panel works?
Sunlight (photons) hit a piece of silicon and knock electrons out of it. That causes a flow of electrons, which is electrical current. simple enough? a better explanation from wikipedia: A solar cell is a device that converts the energy of sunlight directly into electricity by the photovoltaic effect. Sometimes the term solar cell is reserved for devices intended specifically to capture energy from sunlight such as solar panels and solar cells, while the term photovoltaic cell is used when the light source is unspecified.
Q:How to find amp for solar panel project?
It is possible your meter does not have the capacity to safely measure more than 300 milliamps which is too small to measure current output from solar panels. Assuming no losses in the system or components, if your meter does not have the capacity to measure 0 Amps, you will need to get one that does. Analogs are better than digitial for this. Most often the 0 Amp circuit of the meter has a discrete positive plug location for the positive test lead. Most have a common ground connection with the rest of the meter functions. If you are measuring current at the battery in the charge mode- Negative lead of meter goes to positive terminal of battery and positive lead of meter goes to the cable that was connected to the positive terminal of the battery. Since the Wattage is a nominal measurement, if you measure between the panel and controller, take measurement on one leg of the panel, as you want to measure the current with the loaded active circuit. Meter is oriented the same way as the measurement at the battery would be made above only this time the meter is between the panel and controller. At peak solar conditions, expect current to be measured at 2.5 to3 Amps or more per panel. Under optimal conditions your panel will have higher output than their ratings indicate. Open circuit can be close to 20 volts. Never short circuit the output of the solar panels. It is volts multiplied by amps that gives you Watts.
Q:Which solar panel should I choose?
The most energy effiecient PV cell in Australia at the moment is from First Solar they generate the most electricity compared to all units in Australia by an additional 6%. Not much but everything counts these days, especially with prices increasing over the next thress years (even without the CPRS) projections are (by IPART, who are the regulators that sets the electricity prices) rises by 46% (thats by Country Energy) and with the CPRS it was going to reach a 64% increase. The First Solar PV cells will give you a return on investment of around 2.75 years and generate electricity for 25 years (after 20 years they still generate Approx. 85% efficiency - best in market, I know I have been researching them for ages, and these are the ones I am installing !!!. Hope this helps. You need to choose a .5kW system, this will generate Approx $380pa
Q:Im looking at getting solar panels.
Solar panels are very expensive and take many years to pay for themselves. You'd be better off contacting your congressmen to lift bans on Nuclear and other producers of electricity. That would lower the costs and save much more than the hassle of hooking up solar power and batteries etc.
Q:I would like some info on Solar panels and Wind Generators...please?
The best sort of solar panel for $ to energy is the hot water type that use a vacuum tube system to heat your water. This saves you money on heating water and is relatively cheap to install compared to other things like wind or PV solar. I'm not too sure about where you live (I'm in the westcountry of the UK where wind energy IS viable... but usually it isn't). The best sort of Photo voltaic solar panel (that makes electricity)is still expensive yet very reliable as they only need photons to fall on them not neccessarily full sunshine and they are improving all the time. It depends on the pitch of your roof as to whether snow settles on them. One can have a system that sells power back to the national grid and then you buy what you need with a discount for what you produce. Obviously if you can afford enough panels one could even make a profit. Or you can go self-sufficient, but then you need batteries and an inverter to convert your 2 volt battery output back to 20 volts or whatever you use (it's 240 volts in the UK). Then it's a matter of how efficient your batteries are in amp hours. Dry mainainence free deep cycle batteries are best for this job and quite expensive still. Wind generators are only really practical if you can mount them high enough from the ground to where there is more constant wind. As I said that depends where you live and the prevailing winds. The very small ones are basically useless except for emergency lighting or something, so one needs a fairly large turbine to produce enough power for a modern home so planning restrictions should be considered when going down this road. For now, solar power is definitely the way to go, even as far North on this planet as Canada and the UK. Good luck. Once you have the system it's basically FREE energy!

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