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Xpower Solar XP-MH66H-705W Bifacial HJT Dual Glass Solar Panel
Model XP-MH66H-705W | HJT | 132 Cells | Bifacial | 1500V System Voltage
Product Overview
The Xpower Solar XP-MH66H-705W is a high-performance bifacial HJT solar panel built for demanding utility and commercial projects. This dual glass module combines advanced heterojunction cell technology with a robust monocrystalline design. It delivers up to 705 Wp of power and reaches 22.7% module efficiency. The panel is engineered for stable output in hot climates and long-term energy production. Its low temperature coefficient helps maintain stronger performance as temperatures rise. With durable materials and a 30-year linear power warranty, it is designed for reliable, long-life solar generation.
Key Benefits
High Power Output: The module reaches 705 Wp for strong energy production in large-scale systems.
Excellent Efficiency: A 22.7% efficiency rating supports better energy yield from available roof or ground space.
Bifacial Output: Rear-side power generation helps capture additional energy from reflected light.
HJT Cell Technology: Heterojunction cells are known for strong performance and lower thermal losses.
Durable Dual Glass Design: Tempered glass on both sides improves mechanical strength and long-term reliability.
Hot Climate Stability: The low Pmax temperature coefficient supports steadier output in high temperatures.
How It Works
This bifacial HJT module converts sunlight into electricity through advanced monocrystalline cells. Light reaches the front cells and generates direct current during normal operation. Reflected light can also reach the rear side, adding extra power in suitable installations. The dual glass structure protects the cells and supports dependable outdoor use. The low temperature coefficient helps the panel maintain stronger output when conditions become hot. This makes the module especially suitable for utility sites where long-term yield and stable performance matter most.
Front-Side Generation: Sunlight hits the HJT cells and begins the photovoltaic conversion process. The module produces direct current for inverter use. This forms the main source of rated power.
Bifacial Gain: The rear side can capture reflected light from surfaces below the array. This adds usable energy beyond the front-side output. The effect is valuable in bright, reflective installations.
Temperature Control: The module is designed to perform more steadily in heat. Its temperature coefficients help limit efficiency loss as ambient temperatures rise. That supports more consistent production across seasons.
Technical Specifications
| Brand | Xpower Solar |
| Model Number | XP-MH66H-705W |
| Technology | HJT, Bifacial, Monocrystalline |
| Module Type | Dual Glass |
| Power Range | 700 ~ 715 Wp |
| Maximum Power (Pmax) | 705 Wp |
| Voltage at Maximum Power (Vmpp) | 42.25 V |
| Current at Maximum Power (Impp) | 16.69 A |
| Open Circuit Voltage (Voc) | 50.29 V |
| Short Circuit Current (Isc) | 17.49 A |
| Module Efficiency | 22.7% |
| NOCT Maximum Power | 592 Wp |
| NOCT Vmpp | 41.2 V |
| NOCT Impp | 14.37 A |
| NOCT Voc | 46.64 V |
| NOCT Isc | 15.39 A |
| Nominal Operating Cell Temperature | 44±2 °C |
| Operating Temperature Range | -40 to 85 °C |
| Temperature Coefficient of Pmax | -0.26 %/°C |
| Temperature Coefficient of Voc | -0.24 %/°C |
| Temperature Coefficient of Isc | 0.04 %/°C |
| Panel Dimensions | 2384 x 1303 x 30 mm |
| Weight | 38.7 kg |
| Cell Size | 210 x 105 mm |
| Cell Number | 132 |
| Glass Type | Anti-reflection Coating, Tempered Glass |
| Glass Thickness | 2 mm |
| Encapsulant Type | EVA |
| Frame Type | Anodized Aluminium |
| Junction Box Protection | IP68 |
| Connector Type | MC4 |
| Cable Cross-section | 4 mm² |
| Cell Technology | HJT Monocrystalline 210 x 105 mm |
| Seller Name | Xpower Solar Technology Co,.Ltd |
| Country of Origin | China |
Certifications & Compliance
Certifications: Comprehensive products and system certificates
Inverter Compatibility: Suitable for utility and commercial solar systems with standard string inverter setups
Environmental: Built for stable output in hot climates with durable dual-glass construction and IP68 junction box protection
Warranty: 15 years product warranty and 30 years linear power warranty, with 88% total degradation rate support
Documentation
Product Datasheet (PDF)● Available | Contact us for lead time and pricing
| SKU | PES-SPS-SOL-22895 |
|---|---|
| Manufacturer | PES Supply |
| Brand | |
| Container price | |
| Container qty | |
| Odoo id | |
| Pallet price | |
| Pallet qty | |
| Unit price | |
| Manufacturer | |
| Model number | |
| Wattage |
No documents available for this product. Contact us to request documentation.

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Specifications
Product Description
-
Xpower Solar XP-MH66H-705W Bifacial HJT Dual Glass Solar Panel
Model XP-MH66H-705W | HJT | 132 Cells | Bifacial | 1500V System Voltage
705 WpMax Power Output22.7%Module Efficiency132HJT CellsProduct Overview
The Xpower Solar XP-MH66H-705W is a high-performance bifacial HJT solar panel built for demanding utility and commercial projects. This dual glass module combines advanced heterojunction cell technology with a robust monocrystalline design. It delivers up to 705 Wp of power and reaches 22.7% module efficiency. The panel is engineered for stable output in hot climates and long-term energy production. Its low temperature coefficient helps maintain stronger performance as temperatures rise. With durable materials and a 30-year linear power warranty, it is designed for reliable, long-life solar generation.
Key Benefits
High Power Output: The module reaches 705 Wp for strong energy production in large-scale systems.
Excellent Efficiency: A 22.7% efficiency rating supports better energy yield from available roof or ground space.
Bifacial Output: Rear-side power generation helps capture additional energy from reflected light.
HJT Cell Technology: Heterojunction cells are known for strong performance and lower thermal losses.
Durable Dual Glass Design: Tempered glass on both sides improves mechanical strength and long-term reliability.
Hot Climate Stability: The low Pmax temperature coefficient supports steadier output in high temperatures.
How It Works
This bifacial HJT module converts sunlight into electricity through advanced monocrystalline cells. Light reaches the front cells and generates direct current during normal operation. Reflected light can also reach the rear side, adding extra power in suitable installations. The dual glass structure protects the cells and supports dependable outdoor use. The low temperature coefficient helps the panel maintain stronger output when conditions become hot. This makes the module especially suitable for utility sites where long-term yield and stable performance matter most.
Front-Side Generation: Sunlight hits the HJT cells and begins the photovoltaic conversion process. The module produces direct current for inverter use. This forms the main source of rated power.
Bifacial Gain: The rear side can capture reflected light from surfaces below the array. This adds usable energy beyond the front-side output. The effect is valuable in bright, reflective installations.
Temperature Control: The module is designed to perform more steadily in heat. Its temperature coefficients help limit efficiency loss as ambient temperatures rise. That supports more consistent production across seasons.
Technical Specifications
Brand Xpower Solar Model Number XP-MH66H-705W Technology HJT, Bifacial, Monocrystalline Module Type Dual Glass Power Range 700 ~ 715 Wp Maximum Power (Pmax) 705 Wp Voltage at Maximum Power (Vmpp) 42.25 V Current at Maximum Power (Impp) 16.69 A Open Circuit Voltage (Voc) 50.29 V Short Circuit Current (Isc) 17.49 A Module Efficiency 22.7% NOCT Maximum Power 592 Wp NOCT Vmpp 41.2 V NOCT Impp 14.37 A NOCT Voc 46.64 V NOCT Isc 15.39 A Nominal Operating Cell Temperature 44±2 °C Operating Temperature Range -40 to 85 °C Temperature Coefficient of Pmax -0.26 %/°C Temperature Coefficient of Voc -0.24 %/°C Temperature Coefficient of Isc 0.04 %/°C Panel Dimensions 2384 x 1303 x 30 mm Weight 38.7 kg Cell Size 210 x 105 mm Cell Number 132 Glass Type Anti-reflection Coating, Tempered Glass Glass Thickness 2 mm Encapsulant Type EVA Frame Type Anodized Aluminium Junction Box Protection IP68 Connector Type MC4 Cable Cross-section 4 mm² Cell Technology HJT Monocrystalline 210 x 105 mm Seller Name Xpower Solar Technology Co,.Ltd Country of Origin China Certifications & Compliance
Certifications: Comprehensive products and system certificates
Inverter Compatibility: Suitable for utility and commercial solar systems with standard string inverter setups
Environmental: Built for stable output in hot climates with durable dual-glass construction and IP68 junction box protection
Warranty: 15 years product warranty and 30 years linear power warranty, with 88% total degradation rate supportDocumentation
Product Datasheet (PDF)● Available | Contact us for lead time and pricing
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