High Efficiency 250W Monocrystalline PV Solar Panel wholesale CNBM

Ref Price:
Loading Port:
Payment Terms:
Min Order Qty:
10 set
Supply Capability:
300000 set/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

High Efficiency 250W Monocrystalline PV Solar Panel Wholesale


High Efficiency 250W Monocrystalline PV Solar Panel wholesale CNBM

High Efficiency 250W Monocrystalline PV Solar Panel wholesale CNBM


Quick Details

Place of Origin:

China (Mainland)

Brand Name:


Model Number:



Monocrystalline Silicon



Number of Cells:


Max. Power:


Optimum Operating Voltage (Vmp):


Optimum Operating Current (Imp):


Open Circuit Voltage (Voc):


Short Circuit Current (Isc):


Maximum Power at STC (Pmax):


Operating Module Temperature:

-40 °C to +85 °C

Maximum System Voltage:

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

Maximum Series Fuse Rating:


Packaging & Delivery

Delivery Detail:

two weeks after order confirmation



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





25-year performance warrant

10-year Product warranty



Electrical Characteristics: 

Item No.


Optimum Operating Voltage (Vmp)


Optimum Operating Current (Imp)


Open Circuit Voltage (Voc)


Short Circuit Current (Isc)


Maximum Power at STC (Pmax)


Cell  Efficiency


Operating Module Temperature

   -40 °C to +85 °C

Maximum System Voltage

  1000 V DC (IEC) / 600V DC (UL)

Maximum Series Fuse Rating


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







Glass 4.0 mm  tempered glass


Anodized aluminium alloy


Temperature Characteristics:


Nominal Operating Cell Temperature (NOCT)


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.



Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:How Much Do BP Solar Panels Cost In The Wholesale US Market?
Wholesale prices for BP solar panels range between $335 for the 40 watts panel to $835 for the 70 watts panel. Here's a brief listing of wholesale prices for BP solar models: - BP340J solar panel (40 watts) @ $335 - BP350J solar panel (50 watts) @ $37 - BP375J solar panel (80 watts) @ $504 Right now I'm getting a series of 50 watt (7.5 volts) panels installed in my house. It's a start to reduce dependence on electricity bills and try get some tax rebates as well.
Q:are solar panels worth buying?
Well I have some. I think it's a great investment. If you have the money it's totally worth it! If you notice on some street lamps there are solar panels. I am sure the town wouldn't waste there money it must be worth it. Schools are investing in it and lots of business. If I was you I would go for it. I was really happy with the company that did it for m- but they only service New York and New Jersey, not sure were you live. Enjoy saving money!
Q:How many solar panels have ah?
However, crystalline silicon (monocrystalline silicon and polysilicon) in the weak light is basically no current generation, amorphous silicon weak light type (in low light energy is rarely). So a comprehensive view, it is appropriate to use monocrystalline silicon or polycrystalline silicon solar cell materials. Second, the choice of solar cells 1, we buy solar cells, the focus is on the power of solar cells, in general, the solar panel power is proportional to the area of ​​solar chips.
Q:Solar panels.......Earning potential.?
it depends on your solar panel, but you can sure supply most if all of your electronics and electric stuff in your house on a sunny day. If you want to know exactly how much power it supplies and how much $$ you can save you simply have to calculate how much power your home consumes per day/month. I know of people totally reliable on solar power for their home and I too will put solar panels on my home one day.
Q:how fast does a 25watt solar panel generate power to a battery?
To figure our how many you need, take a look at your power bill. It will tell you how many kilowatt/hours you used during the month. My bill says I use about 2000 kilowatt/hours per month, or about 2000 kwh /30 days=67 kw/h hours per day. That is 67,000 watt hours. To supply that with solar panels, you have to generate at least 67,000 watt hours, but you don't have a full day to do it, since you have to do it while the sun is up. So you put the energy into batteries during the day, so you can use it at night. A 25 watt panel generates about 25 watts when fully illuminated by the sun. If you fully illuminate it for an hour, you get 25 watt hours. If you get 2 hours of sunlight a day, that would seem to imply that I need 67000 watt hours/25 watts /2 hours=45 panels. But for most of the day, the sun isn't hitting the panel fully, so it isn't going to generate the full 25 watts. When the sun is 45 degrees to the side, you only get about 70%. When the sun is 60 deg to the side, you only get 50%. And what do you do on cloudy days? And the shorter days in the winter? To make up for this, you have to increase the number of panels to make up for the loss. So in reality, I might need double this number of panels, for realiable solar power throughout the year. That works out to about 90 panels, or ,250 watts worth for my house.
Q:Where can I find low power solar panels?
My suggestion is to first make sure that your calculator does not also use a tiny button cell. It could just be that the battery went dead. Also know that it's probably less trouble to just get a whole new calculator. If you have the skills to replace the solar cell, I'd suggest first disconnecting it, and wiring a .5 volt battery in its place. If that doesn't work either, maybe the problem is not the solar cell at all, but just its connection, or even a dirty ON button. As for where to get a replacement solar cell, if it were me, I'd go to a dollar store, and see if they have a cheap solar calculator that I could harvest one from.
Q:How much does a race car that uses solar panel cost?
Build okorder.com/
Q:Connecting solar panel help?
No. Series means one thing, parallel another, and they are mutually exclusive.
Q:automated way to clean solar panels?
Hire Tinkerbell, Disney hasn't had much for her to do lately.
Q:Solar panel placement idea?
It will generate MUCH more current if placed outside of the window. The best position is pointing directly south. Over the period of one day, you will get the most average sunlight pointing in that direction.

1. Manufacturer Overview

Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range