Your Professional Solar Panel Manufacturer & Supplier
SIY Solar is a one-stop solar energy supplier focused on PV systems, energy storage, and integrated power solutions. With factory-direct supply and OEM/ODM support, we offer stable quality and competitive pricing. Our products are widely used in residential, agricultural, and commercial projects, with export experience in Europe, Southeast Asia, and the Middle East.
-
![Solar Panels]()
Solar PanelsHigh-Efficiency Cell Technology: Utilizing advanced Monocrystalline cells, our Photovoltaic Modules significantly increase power output. These High-efficiency Solar Panels help maximize energy yieldread more -
![650W Solar Panels]()
650W Solar PanelsRobust Environmental Durability: Our PV Modules are certified to withstand harsh conditions. The heavy-duty frames ensure that these Solar Panels can support extreme snow and wind loads.read more
Why Choose Us
Advanced Technology
We specialize in lithium iron phosphate (LiFePO4) energy storage systems with over 8000-cycle lifespan, and ensure full compatibility between inverters, batteries, and PV modules for optimized system performance.
One-Stop Solar Solution
From solar panels to energy storage systems and installation support, we offer complete integrated solutions, reducing multi-supplier complexity and improving project efficiency.
Global Market Experience
Our products are exported to Europe, Southeast Asia, and the Middle East, with proven experience in serving different markets and adapting solutions to various environmental and project requirements.
Specification
|
Item |
Specification |
|
Product Type |
Solar panel |
|
Power Output |
400W – 650W+ |
|
Cell Technology |
Monocrystalline / N-Type / TOPCon |
|
Efficiency |
Up to 21% – 23% |
|
Module Type |
Half-cut cell, high-efficiency design |
|
Voltage at Max Power (Vmp) |
~37V – 42V |
|
Current at Max Power (Imp) |
~10A – 18A |
|
Open Circuit Voltage (Voc) |
~45V – 50V |
|
System Voltage |
Up to 1500V DC |
|
Temperature Range |
-40°C to +85°C |
|
Mechanical Load |
Snow load and wind load resistance |
|
Frame Material |
Anodized aluminum alloy |
|
Glass Type |
High-transmittance tempered glass |
|
Application |
Residential, commercial, and utility solar systems |
|
Lifespan |
25–30 years |
Advantages of Solar Panels
Long-Term Stability
The energy industry is plagued by fluctuations in prices as supply and demand continually change. With solar panels, you can mitigate the risk of rising electricity costs, even if prices skyrocket.
Increase Real Estate Value
Installing solar panels on your facility raises your real estate value. At the same time, if you ever choose to sell your building, you can attract a new set of prospective buyers looking for energy-efficient technology.
Start Saving Right Away
With a solar power purchase agreement (PPA), you can essentially lease your solar system for little to no money down, allowing you to start saving on electricity bills right away.
Quick ROI
If you choose to pay for your solar system outright, you can experience a full return on your investment in as little as 10 years.
Leverage Incentives
Solar solutions open up many possibilities for tax breaks, rebate programs, and other incentives to help cover the costs of your solar panel installation.
Get Guaranteed Reliability
Most reputable solar energy companies offer a 20- to 25-year warranty with their solar panels. The standard in the solar industry is a performance warranty that guarantees 80% performance after 25 years of operation. But with proper maintenance, solar panels generally last much longer than this.
Protect the Environment
While solar panel solutions offer a number of financial benefits, you shouldn't overlook the environmental advantages of going solar. Solar electric power can help you lower your carbon footprint substantially by freeing you from your dependence on fossil fuels.
Monocrystalline solar panels
Also known as single-crystal panels, these are made from a single pure silicon crystal that is cut into several wafers. Since they are made from pure silicon, they can be readily identified by their dark black color. The use of pure silicon also makes monocrystalline panels the most space-efficient and longest-lasting among all three solar panel types.
Polycrystalline solar panels
As the name implies, these come from different silicon crystals instead of one. The silicon fragments are melted and poured into a square mold. This makes polycrystalline cells much more affordable since there is hardly any wastage, and gives them that characteristic square shape.
Thin-film solar panels
Thin-film panels are characterized by very fine layers that are thin enough to be flexible. Each panel does not require a frame backing, making them lighter and easier to install.
Key Components of Solar Panels
Solar cells: These do the heavy lifting, absorbing sunlight and generating electricity. Most silicon solar cells are either monocrystalline or polycrystalline. Monocrystalline cells are made from a single silicon crystal, while polycrystalline cells are made from silicon fragments. Monocrystalline cells give electrons more room to move, which translates to higher efficiency.
Glass casing: Provides durability and protects the solar cells from the elements.
Insulation layer and back sheet: These are under the glass exterior and protect against heat buildup and humidity inside the panel, both of which can reduce solar panel performance.
Anti-reflective coating: Maximizes how much sunlight the cells can absorb instead of bouncing away.
12V wire: Regulates the amount of electricity transferred to your inverter.
Bus wire: Connects silicon solar cells and carries the electrical current between them.
● Solar cells have two layers of silicon. Each one is specially treated, or "doped," with phosphorus and boron to create the positive and negative sides of the solar cell, respectively. When photons hit the solar cells, they create an electric field at the junction between the layers.
● This electric field knocks electrons loose from the atoms in solar cells, setting them in motion.
● The electrons flow through the solar cell and out of the junction, generating an electrical current.
● Metal plates on each side of the solar cells capture the electrical current and transfer it to connecting wires.
● The electrical current flows through the wires to a solar inverter (or multiple inverters), which converts it to usable electricity for your home.
Application of Solar Panels
Residential Rooftop Installations
For larger rooftops, solar panels become a practical alternative, offering a cost-effective solution while still providing adequate energy output by compensating for their slightly lower efficiency with more panels.
Commercial and Industrial Buildings
In commercial and industrial buildings, characterized by large flat roofs and significant energy demands, solar panels are often the best choice.
Community Solar Projects
Community solar projects, typically involving community-scale installations on shared or leased land, benefit greatly from solar panels.
Agriculture
In the agricultural sector, where there's a need for dual land use and durability in outdoor environments, solar panels are the optimal choice. They integrate well with agricultural structures, such as greenhouses, without significantly blocking sunlight.
Portable and Emergency Power Solutions
Portable and emergency power solutions, where portability, flexibility, and rapid deployment are crucial, are ideally matched with solar panels.
Public Infrastructure
For public infrastructure projects, such as the integration of solar technology into parking meters, and community centers, solar panels are often the most suitable option.
Solar Panels Customization Service
Power Output Options
Custom wattage range available from small residential panels to high-power modules (up to 650W+).
Cell Technology Selection
Monocrystalline, N-type, and high-efficiency PV cell options can be configured based on project needs.
OEM & ODM Service
Logo printing, packaging design, labeling, and technical specification customization supported for different markets and branding needs.
Application Flexibility
Suitable for residential, commercial, and utility-scale solar projects with tailored system integration.
Packaging and Shipping
|
Packaging |
Standard Export Carton & Wooden Pallet |
|
Transportation methods |
Sea Freight / Air Freight / Land Transport |
As one of the most professional solar panel enterprises in China, we're featured by quality products and good service. Please rest assured to buy bulk high-grade solar panel in stock here from our factory. We also accept customized orders.
commercial solar installation companies, commercial solar system cost, commercial solar panel companies