Xiamen D.T. Multi Tech Co., Ltd. is one of the most reliable manufacturers and suppliers of topcon solar module 625w in China. With abundant experience, we warmly welcome you to wholesale cheap topcon solar module 625w from our factory. If you have any enquiry about cooperation, please feel free to email us.
for Higher Yield and Lower LCOE
In today's solar market, simply increasing power output is no longer sufficient. EPC contractors and distributors face mounting pressure to deliver projects characterized by higher energy yields, longer lifespans, and a lower Levelized Cost of Electricity (LCOE). The TopCon 625W solar module has emerged precisely to address this reality.
This module integrates advanced N-type TOPCon cell technology with a durable dual-glass, bifacial structure, delivering stable performance across a wide range of environmental conditions. With a nominal power output centered around 625W-spanning a range from 615W to 640W-it is specifically designed for commercial and utility-scale PV projects, where efficiency and long-term reliability are critical determinants of investment returns.
Why This Module Performs Better in Commercial Solar Projects
Higher Energy Yield with Bifacial Technology
With a bifaciality ratio of 80% ±5%, this module is capable of capturing additional irradiance from its rear side, thereby significantly boosting the system's overall power output. Its gain effect is particularly pronounced in highly reflective environments-such as concrete rooftops or desert installations-making it an ideal bifacial solar panel for commercial PV projects.
Stable Output with N-Type TOPCon Cells
Unlike conventional P-type modules, the N-type TOPCon structure minimizes light-induced degradation (LID), ensuring more consistent performance over time. This makes it a reliable choice for investors and EPC contractors seeking long-term ROI stability.
Double Glass Design for Harsh Conditions
The glass-glass construction enhances resistance to moisture, corrosion, and mechanical stress. Whether installed in coastal regions, industrial zones, or high-humidity climates, this double glass bifacial module maintains structural integrity and performance.
Optimized for 1500V Systems
Supporting a maximum system voltage of 1500V DC, this module allows for longer string configurations, reducing BOS (Balance of System) costs and improving overall system efficiency.
OPERATING CONDITIONS
| Maximum System Voltage | 1500V DC |
| Operating Temperature* | -40°C~+70°C |
| Maximum Series Fuse Rating | 35A |
| Maximum Static Load, Front** | 5400Pa(112 lb/ft2) |
| Maximum Static Load, Back** | 2400Pa(50 lb/ft2) |
| NOCT | 45±2°C |
| Bifaciality | 80%±5% |
| Safety Class | Class II |
| Fire Performance | UL Type 29/Class C |
*PV module 98th percentile operating temperature : 70°C
ELECTRICAL PARAMETERS AT STC
| TYPE | DT66D45 -625/LB |
| Rated Maximum Power (Pmax) [W] | 625 |
| Open Circuit Voltage (Voc) [V] | 48.7 |
| Maximum Power Voltage (Vmp) [V] | 40.45 |
| Short Circuit Current (Isc) [A] | 16.15 |
| Maximum Power Current (Imp) [A] | 15.45 |
| Module Efficiency [%] | 23.1 |
| Power Tolerance | 0~+3% |
| Temperature Coefficient of Isc (α_Isc) | +0.045%/°C |
| Temperature Coefficient of Voc (β_Voc) | -0.250%/°C |
| Temperature Coefficient of Pmax(y_Pmp) | -0.290%/°C |
| STC | Irradiance 1000W/m², cell temperature 25°C, AM1.5G |
Remark: Electrical data in this catalog do not refer to a single module and they are not part of the offer.
They only serve for comparison among different module types.
Long-Term Performance
For most project developers and EPC contractors, the primary concern is not merely the initial power output, but rather the actual amount of electricity the module can generate over a period of 20 to 30 years. Consequently, the module's long-term degradation performance emerges as the decisive factor.
With only 1% degradation in the first year and an annual degradation rate of just 0.4% thereafter, the module maintains approximately 87.4% of its original output even after 30 years. This slower degradation curve directly translates into higher cumulative energy generation over the system's lifetime, improving project IRR and reducing the levelized cost of electricity (LCOE).
Backed by a 30-year linear power output warranty, this performance profile provides greater financial predictability for investors and minimizes long-term operational risk-especially in large-scale commercial and utility projects where stability and bankability are critical.
FAQ
Q: What are the key advantages of this TopCon Solar Module 625W compared to P-type modules?
A: This module employs N-type TOPCon cell technology, significantly reducing Light-Induced Degradation (LID) while achieving higher efficiency and superior long-term performance. This contributes to more stable energy output throughout the entire project lifecycle and enhances the Return on Investment (ROI).
Q: What is the expected lifespan of this module?
A: The module is designed for long-term operation with a 30-year linear power output warranty. After 30 years, it can still maintain around 87.4% of its initial output.
Q: What is the module efficiency?
A: Module efficiency ranges from 22.8% to 23.7%, which helps maximize power generation per square meter and reduces land and installation costs.
Q: What kind of projects is this module best suited for?
A: It is ideally suited for utility-scale solar farms, commercial and industrial rooftop systems, as well as projects in highly reflective or harsh environments where durability and high power generation are critical.
Q: Do you provide complete solar system solutions or only modules?
A: We offer one-stop solar solutions, including inverters, energy storage systems, mounting structures, and system design support to help simplify procurement and reduce project risk.
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