300w Poly Panels For Solar System Use

The 300 watt 24 volt polycrystalline solar panel offers industry leading performance, adding a panel to your home is the first step in converting your house to solar to an energy producing residence. It is perfect for residential rooftop systems to decrease your electricity bill, or for large scale off-grid& on grid systems and utility systems.
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Product Details

Stringent quality control

The Premium Grade Solar Panels are designed and built under stringent quality control standards ensuring the highest-quality construction. Our solar panels ensure that you will receive reliable power generation and allowing a greater return-on-investment.


>Reliable Poly crystalline Solar Panels 300W-72Cells


This 72-cell PV module is specially designed by us for large rooftop and open ground space mounts. Through the use of 17.3% efficient polycrystalline cells, this panel provides achieved performance efficiency of up to 15.5%. In a large project, this cellular module can help you save cost in labor and installation.


Features of the 300w poly panels

>Superior efficiency ratings with 72 poly crystalline 4BB/5BB cells technology

>Manufactured in accordance to ISO, CE, TÜV, UL etc international standards

>Industry leading 25-year linear power warranty

>10-year workmanship warranty

>With narrow output positive tolerance only 0~+3%

>Low iron tempered safety glass

>Built to withstand heavy weather, will sustain high snow loads of up to 5400 Pa

>Their anodized aluminum frames improve corrosion resistance

>Waterproof junction box with bypass diodes for modules safely running

>Ip67 MC4 connectors with PV cables

>100% full tests and inspection before delivery

>PID free certified


Specification of the 300w poly panels

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Solar Panel Applications

-Household equipments

-Street light, garden lights

-Traffic signal lights

-Sailboat charging systems

-Microwave / radio repeater stations

-Railroad signals

-Medical facilities in rural areas

-Emergency communication systems

-Air monitoring

-Navigation lighthouses, and ocean buoys

-Wireless Data

-Aviation obstruction lights



-Recreational vehicles

-Water pumping systems for irrigation

Mechanical Drawings

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 Electrical Curves

                                                                               e.g., PV module 300W

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Product details

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Packing& Delivery

Transport of goods by sea, by air freight, by express DHL/UPS/TNT/FedEx etc.

Our Service

* All products are produced according to our advanced technology.

* We provide strictly tests for each parts of products before delivery.

* Sample or trial order is accepted for customers to test and check our product quality.

* After-sale service: we provide technical suggestions for installation, technical and training.

* OEM & ODM orders are accepted and welcomed

* Any questions and inquiries will be replied within 24 hours.

* Distributor or agent is accepted


Q: If I plan to install 10KW solar system, how many pcs of 300w poly solar panels I need?
A: For 10kw off-grid system, usually system design with 96V, so you can use 32pcs of 300w solar panels, each group 4pcs, total 8strings in parallel.

Q: Do need usual maintenance for solar panels or solar system?
A: No need often maintenance, but you should often check the solar system items working situation to judge they work normal or not.

Q: Do you also supply solar panel mounting brackets?
A: Yes, we have, for rooftop and ground or even carport etc solar mounts.

Q: For solar system, which kind of battery I need to use?
A: For solar PV system, we usually suggest our customer to use Gel battery, at least deep cycle AGM battery for long cycling.