30-60W High Quality Poly Solar Panel Odm

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China main port
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Min Order Qty:
10 watt
Supply Capability:
100000 watt/month

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Product Description:

 Packaging & Delivery

Packaging Details: 25PCS/Pallet, carton box with wooden pallet or wooden box with pallet


Delivery Detail: 7-15 days according to the order quantity


Product Description

A Grade 250w high efficiency Poly PV Solar panels

Max Power Voltage Vmp(V)


Max Power Current Lamp(A)


Open Circuit Voltage Voc(V)


Short Circuit Current Isc(A)


Temperature Coefficients of Isc (%/)


Temperature Coefficients of Voc (%/)


Temperature Coefficients of Pmp (%/)


Max Power(w)



We now provide
• Monocrystalline Solar Panel
• Polycrystalline Solar Panel( multicrystalline silicon Solar Panel)

Features of our products:
• High conversion efficiency mono/poly-crystalline amorphous silicon solar cells 
• Modules incorporate high performance bypass diodes to minimize the power drop caused by shading 
• High transmittance, low-iron tempered glass 
• High performance EVA encapsulant to prevent destroying and water.
• AI frame: without screw, corner connection. 8 holes on the frame can be installed easily
• Good performance of preventing from atrocious weather such as wind and hails
30-60W High Quality Poly Solar Panel Odm

Company Profile

China National Building Material (CNBM) Group Corporation

30-60W High Quality Poly Solar Panel Odm

CNBM International Corporation is a professional solar panel manufacturer in China for CNBM brand . Silicon panel ( silicon module), as our main product, has high quality and good service. Our products are very popular in Europe, Australia, England, Middle East, Mexico, Argentina, Chili, Singapore and Africa.

Furthermore, our products have gained international authorized certificates like TUV, UL and CE.

China National Building Material (Group) Corporation (CNBM), established in 1984, is one of the largest State-owned group corporations of building & mechanical materials which specializes in the design, manufacturing and distribution of building materials in the world.

As the whole world turns “green”, CNBM enters into the Photovoltaic Industry in 2005.After 6 years' fast growth, now our annual capacity is 500MW solar panel and 500MW solar cell.



1.Solar Energy&green energy.

2. Easy to install, operate and maintain.

3. Ideal lighting products where normal electric is not convenient.

Our services:

1. Sample: Sample is available. Please send us email about your detail consignee information: name, address, zip code and tel. Then we will contact you and send samples to you.

2. Small order: We can accept small order for this product. Please let us know your order quantity.

3. Customize: We accept OEM service and can customize products as customers' design.

4. After-sales service: We will give customers active feedback within 24hours after receive any of customers' questions.


We have organized several common questions for our clientsmay help you sincerely

1.what price for each watt?

it depends on the quantity, delivery date and payment terms,

2.what is your size for each module? can you tell me the parameter of your module?

we have different series of panels in different output, both c-si and a-si. please take the specification sheet for your reference.

3.Can you provide the peripheral products of the solar panels, such as the battery, controller, and inverter? If so, can you tell me how do they match each other?

Yes, we can, we have two companies for solar region, one is CNBM International, the other is CNBM engineering Co.

We can provide you not only the solar module but also Solar Cells, the off grid solar system, we can also provide you service with on grid plant.

4What is your warranty system?

 Our product  performance guarantees for 25 years

12 years guarantee for workmanship

Timeliness of delivery

Quality Products certified (TÜV, UL, CE, ISO)

5.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.

6. Can you do OEM for us?

Yes, we can.

7.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 pecific time of receiving is related to the state and position of customers. Commonly 7 to 10 working days can be served.

Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:How to connect 2 power supplies together? (Solar panels)?
You have to look at the power output of the cell. The first consideration has to do with voltage. A single cell with no load might output one volt or less. Wiring cells in series would double that output, at least in theory. (Internal resistance will lower the actual voltage.) You've wired the cells in parallel, however. Try unsoldering one electrode and then measure voltage output of each cell. There is still the issue of current output. I don't know if there will be enough with your setup. How many cells are there and what kind of batteries were they charging?
Q:How many Watts of solar panels?
Running an oven or stove on solar is not a practicality; too much power is needed, use gas. Ditto, heating using solar electricity is not a practicality, and AC would also be asking a lot. The other things, within limits, might be do-able. You'll be needing as many solar panels as you can fit on. If I was you I'd consult a solar installer about how big your battery bank should be once you have decided how many Watts of panels you can put on.
Q:How to tie small solar panel system into my house's electircal system?
Not that simple. The N E C covers electrical systems and your state utility regulators cover what and how you can do it. As a practical consideration the inverter produces power and would have an outlet to tap it. Possibly a standard convenience outlet that is the same as your house devices. The problem is to provide a cord that does NOT have exposed hot conductors when it is plugged in and how do you isolate the system from the power grid. To do this you need both a reverse service device and transfer switch that will isolate the house from the grid while the inverter is operating.
Q:How much Silver do we need for Solar Panels?
Some research has shown that small amounts of silver can improve the efficiency of solar panels. But this appears to be in the research stage and applies to the the thin film solar cells. Some solar panels makes use silver as the wiring in kind of a screen printing process, but you don't need to use silver, you can use copper or aluminum using different techniques instead. Generally the metal used is in small amounts and not a majority of the cost of the solar panel.
Q:is it worth it to install solar panels?
In the state of Pennsylvania in the USA, a very basic 5KW solar installation will cost you $35,000. Of that you will recover approximately $28,000 over the next five (5) years between the State and the Feds. Making your net-cost something between $7,000 and $9,000 depending on various factors. All other things being equal in a standard household with fuel-based heat and window units vs. central AC, this system will provide roughly 50% of power required with a payback of approximately eight (8) years (with electricity at $0.4/kwh). The system has an estimated forty (40) year service life. Without _all_ the subsidies, the payback is longer than the estimated system life, especially if you consider the time-value of money. The life-cycle cost of a photo-voltaic array is horrendous. By that, I mean the total cost of producing the panels, installing them, and then removing them and disposing of them in an environmentally correct manner. All that added in and there is a negative payback. So, it all depends on what one defines as worth it. Putting the cost onto taxpayers via governmental subsidy to make an otherwise wretchedly expensive process viable may give you all sorts of warm-and-fuzzy feelings about renewable resources and reducing dependence on foreign oil and so forth. But the reality is that the true cost of solar panels exceeds that of nuclear power per KW delivered. Even today when nuclear plants start in the Billions-with-a-B in any currency you would care to name.
Q:Are DIY Solar panels legitimate for saving electricity?
Solar power generation is still in its infancy. Solar panels are incredibly expensive (average of approx $25,000 to equip a house with roof top panels) and are incredibly inefficient. However, the economics and efficiency of solar electricity may evolve into a system of economic, efficient collection systems in time depending on the level of funding available in the future for the necessary research and development. We can only hope.
Q:Where can I get free solar panels?
I did the same thing recently, if you'd really like some free ones then you need to look for those little solar powered lamps that people put in their yards, theyre about 0 inches tall and people sometimes line the paths through their yard with them. Maybe you can find a neighbor who doesn't want theirs anymore, or you could check local dumps for them. They each have a solar panel in the top, and they can be linked together to make more power. Alternatively, you can look on OKorder for a pack of broken solar cells, which still work fine but don't put out quite as much power as they did when they were new. However, they are very cheap. Hope this helps.
Q:what is the best solar panels to buy?
It Can produce enough energy to run fans and yes keep the house cool. And if you also want to make one try it out. Good luck and save energy
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.
Q:how to chose the right solar panel for my home?
One will give you enough DC voltage to light a 25 watt light bulb, [ one 45 watt panel is around $400. ] Now if your wanting AC voltage You have to buy a inverter, 5 or 6 deep cycle batteries, a switch Cables to transfer the voltage, a place out side to store the batteries, instalation brackets for the roof A Permit to Install them

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