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Upsolar UP-B400MH-G 400W Bifacial HJT Solar Panel
Model UP-B400MH-G (60M6) | Bifacial HJT | 120 Half-Cell | Bifacial | 1500V System Voltage
Product Overview
The Upsolar UP-B400MH-G is a high-performance bifacial HJT solar panel built for demanding commercial and utility projects. It combines 400 Wp output with 21.96% efficiency for strong energy production in a compact format. Its glass-glass construction supports long-term durability and stable performance in challenging environments. The module is engineered for excellent low-light response, reduced degradation, and reliable operation across a wide temperature range. With a 12-year product warranty and 30-year linear performance coverage, it offers dependable value for long-term solar investment.
Key Benefits
High power output: Delivers up to 400 Wp for strong energy generation in space-conscious installations.
Excellent efficiency: Reaches 21.96% module efficiency for improved yield and better roof utilization.
Bifacial performance: Captures rear-side light to increase total energy production where reflected light is available.
Durable glass-glass build: Uses tempered glass on both sides for added mechanical strength and environmental resistance.
Long-term warranty coverage: Includes a 12-year product warranty and 30-year performance guarantee for investment confidence.
How It Works
This module converts sunlight into usable direct current through advanced HJT bifacial cells. The front side captures direct irradiation, while the rear side can harvest reflected light. That design helps increase total output in suitable mounting conditions. The half-cut 120-cell layout also supports lower resistive losses and better performance under partial shading. Together, these features improve energy yield, stability, and long-term system value.
HJT Cell Architecture: Heterojunction technology combines crystalline silicon with thin-film layers. This structure supports strong efficiency and improved temperature behavior.
Bifacial Energy Capture: The bifacial design allows rear-side generation from reflected light. This can raise total output in bright, open, or reflective environments.
Half-Cut Cell Layout: The 120 half-cell format reduces current flow stress inside the module. It helps improve shade tolerance and electrical performance.
Technical Specifications
| Brand | Upsolar |
| Model Number | UP-B400MH-G (60M6) |
| Technology | Bifacial HJT |
| Power Range | 380 ~ 400 Wp |
| Maximum Power | 400 Wp |
| Module Efficiency | 20.86 ~ 21.96 % |
| Power Tolerance | 0 ~ +3 % |
| Voltage at Maximum Power | 38.43 V |
| Current at Maximum Power | 10.41 A |
| Open Circuit Voltage | 45.45 V |
| Short Circuit Current | 11.13 A |
| Max System Voltage | 1500 V |
| Series Fuse Rating | 20 A |
| Cell Count | 120 Half-Cells |
| Cell Size | 166 × 83 mm |
| Dimensions | 1755 × 1038 × 30 mm |
| Weight | 22.8 kg |
| Glass Type | Tempered Glass, 2 mm |
| Encapsulant Type | EVA |
| Frame Type | Anodized Aluminium |
| Junction Box Protection | IP 67 |
| Connector Type | MC4 |
| Cable Cross Section | 4 mm² |
| Cable Length | 300 mm |
| Operating Temperature Range | -40 to 90 °C |
| NMOT | 45 ± 2 °C |
| Temperature Coefficient of Pmax | -0.24 %/°C |
| Temperature Coefficient of Voc | -0.22 %/°C |
| Temperature Coefficient of Isc | 0.047 %/°C |
| Temperature Coefficient of Im | 0.047 %/°C |
| Bifacial Factor | 0.85 ± 0.05 |
| Country | Hong Kong |
Certifications & Compliance
Certifications: IP67 junction box protection, MC4 compatible connectors, IEC and UL approved cables, high-transparency tempered glass construction.
Inverter Compatibility: Suitable for 1500V system designs and standard utility, commercial, and large-scale solar installations.
Environmental: Salt mist resistant, ammonia resistant, PID resistant, and designed for extreme environments.
Warranty: 12-year product warranty, 30-year linear performance warranty, 95.75% output at 2-30 years, and 90.75% output at 30 years.
Documentation
Product Datasheet (PDF)● Available | Contact us for lead time and pricing
| SKU | PES-SPS-SOL-21938 |
|---|---|
| Manufacturer | PES Supply |
| Container price | |
| Container qty | |
| Odoo id | |
| Pallet price | |
| Pallet qty | |
| Unit price | |
| Manufacturer | |
| Model number |
No documents available for this product. Contact us to request documentation.

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Product Description
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Upsolar UP-B400MH-G 400W Bifacial HJT Solar Panel
Model UP-B400MH-G (60M6) | Bifacial HJT | 120 Half-Cell | Bifacial | 1500V System Voltage
400 WpMax Power Output21.96%Module Efficiency120Bifacial HJT CellsProduct Overview
The Upsolar UP-B400MH-G is a high-performance bifacial HJT solar panel built for demanding commercial and utility projects. It combines 400 Wp output with 21.96% efficiency for strong energy production in a compact format. Its glass-glass construction supports long-term durability and stable performance in challenging environments. The module is engineered for excellent low-light response, reduced degradation, and reliable operation across a wide temperature range. With a 12-year product warranty and 30-year linear performance coverage, it offers dependable value for long-term solar investment.
Key Benefits
High power output: Delivers up to 400 Wp for strong energy generation in space-conscious installations.
Excellent efficiency: Reaches 21.96% module efficiency for improved yield and better roof utilization.
Bifacial performance: Captures rear-side light to increase total energy production where reflected light is available.
Durable glass-glass build: Uses tempered glass on both sides for added mechanical strength and environmental resistance.
Long-term warranty coverage: Includes a 12-year product warranty and 30-year performance guarantee for investment confidence.
How It Works
This module converts sunlight into usable direct current through advanced HJT bifacial cells. The front side captures direct irradiation, while the rear side can harvest reflected light. That design helps increase total output in suitable mounting conditions. The half-cut 120-cell layout also supports lower resistive losses and better performance under partial shading. Together, these features improve energy yield, stability, and long-term system value.
HJT Cell Architecture: Heterojunction technology combines crystalline silicon with thin-film layers. This structure supports strong efficiency and improved temperature behavior.
Bifacial Energy Capture: The bifacial design allows rear-side generation from reflected light. This can raise total output in bright, open, or reflective environments.
Half-Cut Cell Layout: The 120 half-cell format reduces current flow stress inside the module. It helps improve shade tolerance and electrical performance.
Technical Specifications
Brand Upsolar Model Number UP-B400MH-G (60M6) Technology Bifacial HJT Power Range 380 ~ 400 Wp Maximum Power 400 Wp Module Efficiency 20.86 ~ 21.96 % Power Tolerance 0 ~ +3 % Voltage at Maximum Power 38.43 V Current at Maximum Power 10.41 A Open Circuit Voltage 45.45 V Short Circuit Current 11.13 A Max System Voltage 1500 V Series Fuse Rating 20 A Cell Count 120 Half-Cells Cell Size 166 × 83 mm Dimensions 1755 × 1038 × 30 mm Weight 22.8 kg Glass Type Tempered Glass, 2 mm Encapsulant Type EVA Frame Type Anodized Aluminium Junction Box Protection IP 67 Connector Type MC4 Cable Cross Section 4 mm² Cable Length 300 mm Operating Temperature Range -40 to 90 °C NMOT 45 ± 2 °C Temperature Coefficient of Pmax -0.24 %/°C Temperature Coefficient of Voc -0.22 %/°C Temperature Coefficient of Isc 0.047 %/°C Temperature Coefficient of Im 0.047 %/°C Bifacial Factor 0.85 ± 0.05 Country Hong Kong Certifications & Compliance
Certifications: IP67 junction box protection, MC4 compatible connectors, IEC and UL approved cables, high-transparency tempered glass construction.
Inverter Compatibility: Suitable for 1500V system designs and standard utility, commercial, and large-scale solar installations.
Environmental: Salt mist resistant, ammonia resistant, PID resistant, and designed for extreme environments.
Warranty: 12-year product warranty, 30-year linear performance warranty, 95.75% output at 2-30 years, and 90.75% output at 30 years.Documentation
Product Datasheet (PDF)● Available | Contact us for lead time and pricing
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