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WINAICO WST-400MGX-P3 400W Monocrystalline Full Black Solar Panel
Model WST-400MGX-P3 | Monocrystalline | 108 Cells | Full Black | 1500V System Voltage
Product Overview
The WINAICO WST-400MGX-P3 is a premium full black solar panel designed for strong visual appeal and dependable long-term performance. This monocrystalline module combines advanced cell engineering with a compact 108-cell layout. It delivers 400 Wp of nominal power and 20.44% efficiency, making it suitable for modern residential and commercial systems. The panel is built for stable operation in demanding climates and offers a 25-year product warranty and 25-year power warranty. Its high-quality construction supports consistent energy production, while the full black finish creates a refined roofline appearance. WINAICO positions this module as a long-term investment with reliable output and low degradation.
Key Benefits
High Power Output: Delivers 400 Wp nominal power for strong system performance.
Excellent Efficiency: Offers 20.44% module efficiency for effective rooftop energy harvest.
Elegant Full Black Design: Provides a sleek look that blends well with contemporary roof aesthetics.
Long-Term Warranty Support: Includes 25 years of product coverage and 25 years of power warranty protection.
Low Degradation Rate: Supports an 85.28% retained output target with 0.59% annual degradation.
Weather-Ready Performance: Operates across a wide temperature range for dependable year-round energy production.
How It Works
This module converts sunlight into usable electricity through monocrystalline silicon cells arranged in a 108-cell configuration. The panel is engineered to capture solar energy efficiently under strong sun and variable weather conditions. Its electrical design supports stable output and controlled losses across operating temperatures. The half-cell architecture helps improve current flow and reduce internal resistance. Multi-busbar construction further supports energy yield and module reliability. Together, these features help the panel produce consistent power over many years of service.
Monocrystalline Cell Conversion: Sunlight is absorbed by high-grade cells to generate direct current electricity. This design supports efficient performance in compact rooftop spaces.
Half-Cell and Multi-Busbar Structure: The cell layout reduces resistance and helps improve power yield. It also supports better handling of partial shading and thermal stress.
Durability and Degradation Control: The module is designed to limit long-term performance loss. This helps preserve output during the 25-year warranty period.
Technical Specifications
| Technology | Monocrystalline |
| Model Number | WST-400MGX-P3 |
| Product Warranty | 25 Years |
| Power Warranty | 25 Years |
| Total Degradation Rate | 85.28% |
| Annual Degradation | 0.59% |
| Power Tolerance | 0 ~ +1% |
| Maximum Power (Pmax) | 400 Wp |
| Voltage at Maximum Power (Vmpp) | 30.71 V |
| Current at Maximum Power (Impp) | 13.04 A |
| Open Circuit Voltage (Voc) | 37.29 V |
| Short Circuit Current (Isc) | 13.69 A |
| Panel Efficiency | 20.44% |
| Temperature at STC | 43.85±3 °C |
| Operating Temperature Range | -40 to 85 °C |
| Temperature Coefficient of Pmax | -0.35%/°C |
| Temperature Coefficient of Voc | -0.28%/°C |
| Temperature Coefficient of Isc | 0.04%/°C |
| Maximum System Voltage | 1500 V |
| Series Fuse Rating | 25 A |
| Panel Dimensions | 1724 x 1135 x 35 mm |
| Weight | 21.5 kg |
| Cell Number | 108 |
| Glass Thickness | 3.2 mm |
| Frame Type | Anodized Aluminium, Black |
| Junction Box Protection Class | IP68 |
| Connector Type | MC4 |
| Seller Name | Win Win Precision Technology Co., Ltd. (WINAICO) |
| Country | Taiwan |
Certifications & Compliance
Certifications: IP68 junction box protection and WINAICO quality testing standards.
Inverter Compatibility: Suitable for standard grid-tied solar inverter systems using MC4 connectivity.
Environmental: Designed for operation from -40 to 85 °C with strong resistance to harsh weather conditions.
Warranty: 25-year product warranty and 25-year power warranty.
Documentation
Product Datasheet (PDF)● Available | Contact us for lead time and pricing
| SKU | PES-SPS-SOL-22573 |
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| Manufacturer | PES Supply |
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