Benefit of Solar Modules
GRENGY solar modules, commonly known as solar panels, are state-of-the-art photovoltaic (PV) systems designed to capture sunlight and transform it into direct current (DC) electricity. Constructed with high-purity silicon cells, tempered glass, and robust framing, they are built to withstand the test of time and the elements. Whether you are looking to power your residential home, commercial business, or an off-grid application, our range of monocrystalline and polycrystalline modules offers a solution tailored to your energy needs and budget.
High-Efficiency
Utilizing cutting-edge monocrystalline PERC (Passivated Emitter and Rear Cell) technology, our panels achieve some of the highest conversion rates on the market. This means you generate more electricity from the same amount of sunlight, maximizing your energy production and saving valuable roof space.
Exceptional Durability and Longevity
Anti-PID Technology: Prevents Power Induced Degradation, ensuring stable performance even in harsh conditions.
Salt Mist & Ammonia Resistance: Certified for durability in coastal and agricultural environments.
High Wind and Snow Load Ratings: Withstand severe weather, including heavy snow accumulation and high winds.
Enhanced Performance in Low-Light Conditions
Grengy solar panels are engineered to start generating electricity earlier in the morning and continue producing later in the evening, even on cloudy or overcast days. This superior low-light performance ensures you capture every possible kilowatt-hour of energy.
25-Year Linear Power Output Warranty
We have immense confidence in our product. Our industry-leading warranty guarantees that your panels will still deliver at least 87% of their original power output after 25 years of operation. This commitment provides you with peace of mind and a predictable return on your investment.
Aesthetic and Reliable Design
The all-black design and streamlined framing offer a sleek, modern look that complements any rooftop. Robust bypass diodes minimize power loss from partial shading, ensuring consistent energy production.
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![Monocrystalline PERC 550W Solar Panels]()
Monocrystalline PERC 550W Solar Panels
Items: Monocrystalline PERC 550W Solar Panels
Cell Type: Monocrystalline N-type
Module dimensions: 2279x1134x35mm
Module quantity per 40'container: 620pcs(HQ)...Add to Inquiry -
![560W-590W N-Type Solar Modules]()
560W-590W N-Type Solar Modules
Items: 560W-590W N-Type Solar Modules
Cell Type: Monocrystalline N-type
Module dimensions: 2278x1134x35mm
Module quantity per 40'container: 620pcs(HQ)
Certificates:...Add to Inquiry -
![Monocrystalline Bifacia Solar Panel 625W~645W]()
Monocrystalline Bifacia Solar Panel 625W~645W
Items: Monocrystalline Bifacia Solar Panel 625W~645W
Cell Type: Monocrystalline N-type
Module dimensions: 2172x1303x30mm
Module quantity per 40'container: 648pcs(HQ)...Add to Inquiry -
![Monocrystalline Solar Modules 530W~555W]()
Monocrystalline Solar Modules 530W~555W
Items: Monocrystalline Solar Modules 530W~555W
Cell Type: Monocrystalline N-type
Module dimensions: 2279x1134x35mm
Module quantity per 40'container: 620pcs(HQ)...Add to Inquiry -
![Monocrystalline Solar Modules 420W~440W]()
Monocrystalline Solar Modules 420W~440W
Items: Monocrystalline Solar Modules 420W~440W
Cell Type: Monocrystalline N-type
Module dimensions: 1722x1134x30mm
Module quantity per 40'container: 936pcs(HQ)...Add to Inquiry -
![Monocrystalline Solar Modules 690W~730W]()
Monocrystalline Solar Modules 690W~730W
Items: Monocrystalline Solar Modules 690W~730W
Cell Type: Monocrystalline N-type
Module dimensions: 2384x1303x30mm
Module quantity per 40'container: 648pcs(HQ)
Certificates:...Add to Inquiry
Technical Parameters (Example Model: 730W)
| Parameter | Specification |
|---|---|
| Maximum Power (Pmax) | 730 W |
| Cell Type |
Monocrystalline N-type |
| Cell Arrangement |
132(6x22) |
|
Maximum System Voltage |
1500V DC |
|
Operating Temperature |
-40°C to +85°C |
| Maximum Power Voltage (Vmp) |
43.4V |
| Maximum Power Current (Imp) |
16.83A |
| Open Circuit Voltage (Voc) |
51.4V |
| Short Circuit Current (Isc) |
17.67V |
|
Maximum Series Fuse Rating |
35A |
| Dimensions (L x W x H) |
2384x1303x30mm |
| Weight | 38.5 kg |
|
Nominal Operating Cell Temperature (NOCT) |
43°C±2°C |
F&Q
Q: How long do solar modules last?
A: Solar modules are incredibly durable. Their physical lifespan is typically 30+ years. The industry-standard performance warranty guarantees they will still produce a high percentage (e.g., 87-92%) of their original output after 25 years.
Q: Do they work on cloudy days or in the winter?
A: Yes. While energy production is highest under direct sunlight, our modules are specifically designed to convert diffuse sunlight on cloudy days into electricity. They will still generate power in winter, though shorter days and snow cover can temporarily reduce output.
Q: What is the difference between Mono and Polycrystalline modules?
A: Monocrystalline (Mono) panels are made from single-crystal silicon, are typically more efficient, and have a uniform black appearance. Polycrystalline (Poly) panels are made from fragmented silicon, are slightly less efficient, and have a blue, speckled look. Mono panels generally offer better performance and aesthetics but may come at a slightly higher cost.
Q: How much maintenance is required?
A: Solar modules require very little maintenance. Occasional cleaning with water to remove dirt, dust, or bird drobbing is recommended to ensure they operate at peak efficiency. In snowy climates, panels often shed snow on their own due to their slick surface and tilt.
As one of the most professional solar modules suppliers in China, we're featured by quality products and custom service. Please rest assured to buy customized solar modules at competitive price from our factory.
