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S-Energy SL45-72BGI-445S 445W Bifacial Monocrystalline Solar Panel
Model SL45-72BGI-445S | Bifacial Monocrystalline | 144 Cells | Bifacial | 1500V System Voltage
Product Overview
The S-Energy SL45-72BGI-445S is a high-efficiency 445W bifacial monocrystalline solar panel built for dependable long-term performance. It combines a 144-cell layout with an anti-reflection tempered glass front, an anodized aluminium frame, and an IP68 junction box. The module delivers stable output for residential, commercial, and utility applications. Its bifacial design helps capture additional rear-side energy in suitable installations. That makes it a strong option for sites that value output, durability, and consistent energy yield. The panel is also designed with a 1500V maximum system voltage for flexible system planning.
Key Benefits
High Power Output: The panel delivers 445Wp of rated maximum power for strong energy production.
Bifacial Energy Gain: Rear-side generation can improve total output when installed in reflective environments.
Efficient Cell Design: Its 20.5% module efficiency helps maximize available roof or ground space.
Durable Construction: Tempered glass, aluminium framing, and IP68 protection support reliable outdoor operation.
Wide Operating Range: The panel performs from -40°C to 85°C, making it suitable for demanding climates.
System Flexibility: A 1500V maximum system voltage supports modern solar array designs.
How It Works
This bifacial monocrystalline solar panel converts sunlight into electricity through high-quality silicon cells. The front side captures direct sunlight, while the rear side can harvest reflected light from the installation surface. That dual-sided capture can increase total energy output in the right environment. The 144-cell architecture helps balance voltage and current for stable performance. The anti-reflection glass improves light transmission to the cells. The IP68 junction box and MC4-compatible connector support safe and efficient power delivery. The panel is engineered to operate across a wide temperature range with low power loss under heat.
Bifacial Light Capture: The front surface absorbs direct sunlight. The rear surface can use reflected light for additional generation.
Cell Conversion Process: Monocrystalline cells convert solar energy into DC electricity. The 144-cell layout supports stable electrical output.
System Integration: The module connects through MC4-compatible wiring. The IP68 junction box and bypass diodes help maintain reliable operation.
Technical Specifications
| Brand | S-Energy |
| Model Number | SL45-72BGI-445S |
| Technology | Bifacial Monocrystalline |
| Maximum Power | 445 Wp |
| Power Range | 445 ~ 455 Wp |
| Panel Efficiency | 20.5% |
| Voltage at Maximum Power | 41.25 V |
| Current at Maximum Power | 10.8 A |
| Open Circuit Voltage | 49.45 V |
| Short Circuit Current | 11.48 A |
| Power Tolerance | 0 ~ +1% |
| Temperature Coefficient of Pmax | -0.35%/°C |
| Temperature Coefficient of Voc | -0.27%/°C |
| Temperature Coefficient of Isc | 0.04%/°C |
| Normal Operating Cell Temperature | 45±2 °C |
| Operating Temperature Range | -40 to 85 °C |
| Maximum System Voltage | 1500 V |
| Series Fuse Rating | 25 A |
| Cell Size | 166×83 mm |
| Cell Number | 144 |
| Dimensions | 2094 × 1038 × 40 mm |
| Weight | 24.6 kg |
| Glass Type | Anti-reflection coated tempered glass, 3.2 mm |
| Frame Type | Anodized aluminium |
| Junction Box | IP68 with 3 bypass diodes |
| Connector Type | MC4 |
| Cable Cross Section | 4 mm² |
| Cable Length | 1000 mm |
| Seller Name | S-Energy Co., Ltd. |
| Country | Korea |
Certifications & Compliance
Certifications: KS C 8561, ISO 9001, ISO 14001, ISO 45001
Inverter Compatibility: Suitable for modern grid-tied and hybrid solar system designs
Environmental: Built for wide-temperature operation, strong mechanical durability, and outdoor exposure
Warranty: 12-year product warranty and 25-year power warranty with 85% total degradation rate
Documentation
Product Datasheet (PDF)● Available | Contact us for lead time and pricing
| SKU | PES-SPS-SOL-16276 |
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| Manufacturer | PES Supply |
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