Product Overview
The 450W to 600W Sun Power Mono Cheap Half Cell Solar Panel is a high-efficiency photovoltaic (PV) module designed for a wide range of applications, from residential to large-scale commercial projects. These panels utilize monocrystalline silicon cells, enhanced with PERC (Passivated Emitter and Rear Cell) technology, to maximize energy conversion and output 1910. The “Half Cell” design involves cutting standard solar cells in half, which reduces electrical resistance and improves performance by minimizing power loss from shading and hotspots 510.
Key Features and Specifications
This solar panel series is characterized by advanced technology and robust construction, ensuring high performance and durability.
| Feature | Specification |
|---|---|
| Cell Type | Monocrystalline PERC |
| Cell Technology | Half-Cut, Multi-Busbar (MBB) |
| Number of Cells | 120 (6×20) or 144 (6×24) |
| Maximum Power (Pmax) | 450W – 605W |
| Module Efficiency | 19.5% – 21.5% |
| Open Circuit Voltage (Voc) | 38.8V – 50.4V |
| Maximum Power Voltage (Vmp) | 31.9V – 42.0V |
| Maximum Power Current (Imp) | 14.02A – 18.57A |
| Maximum System Voltage | 1000V / 1500V DC |
| Operating Temperature | -40°C to +85°C |
| Weight | 21.8kg – 30.9kg |
| Dimensions | 1762x1134mm to 2172x1303mm |
| Frame | Anodized Aluminum Alloy |
| Junction Box | IP68, 3 Diodes |
| Warranty | 12-Year Product Warranty, 25-Year Linear Power Warranty |
| Certifications | CE, TUV, ISO, UL, CEC, IEC 61215, IEC 61730 |
Table data sourced from 1591011
Product Description Highlights
- High Efficiency: The PERC technology combined with Half-Cut and MBB design boosts efficiency to over 21%, ensuring maximum energy output from available sunlight 19.
- Advanced Cell Technology: The Half-Cut technology reduces electrical resistance and current, minimizing power loss from shading and hotspots. This is further enhanced by the Multi-Busbar (MBB) design, which improves current extraction and reduces cell-to-module losses 35.
- Durability and Reliability: Panels are built with high-quality materials, including a corrosion-resistant anodized aluminum frame and a durable junction box with an IP68 rating for water and dust protection. They are certified to withstand extreme environmental conditions, including wind loads up to 2400 Pascal and snow loads up to 5400 Pascal 51011.
- Performance in Low Light: The panels feature a textured cell surface and advanced glass, ensuring excellent performance even in low-light and overcast conditions 610.
- Long-Term Warranty: Most suppliers offer a 12-year product warranty and a 25-year linear power warranty, with some models guaranteeing as low as 0.55% annual power degradation 910.
Product Applications
These high-wattage solar panels are versatile and suitable for various applications:
- Residential: Ideal for homeowners looking to maximize energy production on their rooftops, especially in areas with high irradiance 511.
- Commercial & Industrial: Perfect for large-scale projects such as factories, warehouses, and office buildings, where high power output and efficient installation are crucial 19.
- Utility-Scale: The panels’ high efficiency and power density make them an excellent choice for large solar farms, reducing the number of panels and the balance of system (BOS) costs 7.
- Off-Grid & Hybrid Systems: The robust design and high efficiency are well-suited for off-grid applications, such as solar-powered water pumps, caravans, RVs, and remote cabins 11.
Packaging & Export Solutions
The panels are packaged to ensure safe transportation and are designed for efficient export.
- Packaging: Standard packaging includes a wooden or carton box with protective corner beads to prevent damage during shipping. Custom packaging options are available to meet specific customer requirements 510.
- Export Solutions: The panels are shipped via standard 40-foot high cube (40’HQ) containers. A single container can hold up to 660 panels, depending on the model, making bulk shipping efficient and cost-effective 5.
Price Considerations
The price of these solar panels is typically quoted in dollars per watt (USD/W). For panels in the 450W to 600W range, the price per watt can vary significantly based on several factors:
- Cell Technology: N-type cells generally have a higher upfront cost but offer lower degradation rates and better performance in high-temperature environments compared to traditional P-type cells 7.
- Panel Type: Bifacial panels, which generate power from both the front and rear, can offer higher annual yield but are generally more expensive than monofacial panels 27.
- Brand and Seller: Established brands and direct manufacturers often have different pricing structures. It’s important to compare the total value, including warranty and performance, rather than just the price per watt 2.
- Volume and Bulk Purchases: Buying in bulk or by the pallet can significantly reduce the price per watt due to economies of scale 7.
Chart data sourced from 7
Why Choose Us
- Strict Quality Control: Rigorous inspection of solar cells before production to ensure no cracked or low-quality cells are used, guaranteeing stable performance and full power output 10.
- Advanced Testing: Every panel undergoes thorough testing, including EL (Electroluminescence) testing to detect cracked cells and flash testing to verify power output, a standard many suppliers do not provide 10.
- Comprehensive Warranty: A 12-year product warranty and a 25-year linear power warranty with low annual degradation, providing long-term peace of mind 910.
- Customization and Flexibility: OEM and ODM services are available, allowing for customized panel specifications and small MOQs to meet unique project requirements 410.
- Fast Lead Times: Shorter production times compared to other suppliers, with many models available in stock for quick delivery 10.
- Global Reach: With a strong export presence and certifications for international markets, we can support projects worldwide with reliable and compliant products 45.
Frequently Asked Questions (FAQ)
Q: How do I determine if the price per watt is a good deal?
A: A good deal depends on the technology and warranty. For panels between 450W and 600W, a price per watt ranging from USD 0.0776 to USD 0.096 is common. However, factors like cell type (P-type vs. N-type), monofacial vs. bifacial, brand, and seller reliability also significantly impact value 2.
Q: What is the difference between monofacial and bifacial solar panels?
A: Monofacial panels generate power only from the front side, while bifacial panels can capture light from both the front and rear. Bifacial panels can boost annual energy yield by up to 20%, but they are most effective on highly reflective surfaces like light-colored sand or rock 37.
Q: What is the temperature coefficient, and why does it matter?
A: The temperature coefficient indicates how a panel’s performance changes with temperature. A lower coefficient means the panel performs better in high heat. For example, the SunPower Maxeon Gen III cell has a low temperature coefficient of -0.29%/ºC, making it ideal for hot climates 6.
Q: What is the significance of the 25-year warranty?
A: A 25-year warranty guarantees that the panel will maintain a certain level of power output over its lifetime. A linear warranty ensures a predictable degradation rate, often around 0.55% per year, providing a reliable long-term investment 910.
