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Model MSBK-33 | Mono PERC | 132 Half-Cell Monocrystalline | Bifacial | 1500V System Voltage
The BYD MSBK-33 670 mono bifacial dual glass monocrystalline solar panel delivers very high power density for modern utility and commercial projects. This advanced module offers a power class from 645 Wp up to 675 Wp, with the MSBK-33 670 configuration providing a nominal output of 670 Wp under standard test conditions. A maximum module efficiency of up to 21.73 percent helps roofs and ground mounts generate more energy from limited space. The bifacial glass-glass architecture allows power capture from both front and rear sides, increasing total yield on reflective surfaces. Each panel is built using 210 mm mono wafers and 132 half-cut cells, improving current distribution and lowering resistive losses across the module. Robust dual glass construction and an anodized aluminum frame support high mechanical loads in demanding climates. With industry-leading 12 year product warranty and 30 year linear performance coverage, this panel is engineered to deliver stable long term output and compelling levelized cost of energy for investors and owners.
High power density for limited space: Output up to 675 Wp and module efficiency up to 21.73 percent enable more energy per square meter, which supports smaller arrays meeting ambitious production targets.
Bifacial design for extra yield: Dual glass bifacial construction harvests light from both sides, delivering additional rear side power gain between five and twenty five percent in well designed systems.
Reliable long term performance: A low annual degradation rate of only zero point five percent and guaranteed eighty three point five percent output at year thirty support predictable lifetime energy generation.
Strong mechanical and environmental resilience: The high strength aluminum alloy frame and dual glass build handle heavy snow and wind loads, while the IP rated junction box improves protection in harsh outdoor environments.
Lower system level energy costs: High power classes cut the number of modules, mounting components, and electrical connections, which helps reduce balance of system costs and overall levelized cost of energy for large projects.
Broad compatibility for easier design: The module is designed to integrate with mainstream inverters and tracking systems, simplifying string design and supporting flexible layouts for ground mount and rooftop applications.
This mono bifacial dual glass module converts sunlight into usable direct current power through high efficiency monocrystalline cells. Each of the one hundred thirty two half cut cells is manufactured from advanced mono wafers that capture photons through the photovoltaic effect. When light strikes the cell surfaces, electrons are released and guided by the cell structure to create a stable electrical current. The module operates at a rated maximum power of up to six hundred seventy watts under standard test conditions. Voltage and current are balanced through the specific combination of 210 millimeter cells and half cut layout. The dual glass design allows light to reach the rear side, where additional power is produced from ground reflection or light scattering around the array. Bifacial gain can significantly increase energy yield in installations using bright surfaces, elevated mounting, or tracking systems. The module connects into a string through its junction box and diodes, with current then fed into a compatible inverter that converts direct current into grid ready alternating current power.
Front side power generation: The front glass captures direct and diffuse sunlight and channels it to the mono cells, which then generate a direct current at a nominal voltage around thirty eight volts at maximum power for the six hundred seventy watt type. This current flows through the cell interconnections and busbars before leaving the module through the junction box terminals.
Rear side bifacial gain: The transparent back glass enables additional light to reach the rear cell surfaces, producing extra current without increasing module footprint. On suitable surfaces, bifacial gain between five and twenty five percent is achievable, which boosts total energy harvest over the system lifetime.
Temperature and reliability management: The module is optimized to operate within a temperature range from minus forty to plus eighty five degrees Celsius, with a nominal operating temperature around forty five degrees. Carefully engineered temperature coefficients limit power loss as cells heat up, while high quality encapsulation and protective materials safeguard performance in real world conditions.
| Brand / Manufacturer | BYD Company Limited |
| Country of Origin | China |
| Module Type | Mono bifacial dual glass monocrystalline module |
| Power Range (STC) | 645 Wp to 675 Wp |
| Rated Maximum Power Pmax (MSBK-33 670, STC) | 670 Wp |
| Open Circuit Voltage Voc (MSBK-33 670, STC) | 45.98 V |
| Short Circuit Current Isc (MSBK-33 670, STC) | 18.33 A |
| Voltage at Maximum Power Vmpp (MSBK-33 670, STC) | 38.21 V |
| Current at Maximum Power Impp (MSBK-33 670, STC) | 17.54 A |
| Module Efficiency Range (STC) | 20.76 % to 21.73 % |
| Nominal Pmax (MSBK-33 670, NMOT) | 501.5 Wp |
| Open Circuit Voltage Voc (MSBK-33 670, NMOT) | 43.10 V |
| Short Circuit Current Isc (MSBK-33 670, NMOT) | 14.78 A |
| Voltage at Maximum Power Vmpp (MSBK-33 670, NMOT) | 35.70 V |
| Current at Maximum Power Impp (MSBK-33 670, NMOT) | 14.04 A |
| Power Tolerance | 0 to +5 W (0 to +0.5 % typical) |
| Bifacial Factor | 70 % ± 5 % |
| Cell Type and Size | 210 mm mono monocrystalline cells |
| Cell Count | 132 half cut cells |
| Glass Type and Thickness | Dual glass with anti reflection coating, 2 mm thickness each side |
| Frame Type | High strength anodized aluminium frame |
| Junction Box Protection and Diodes | Three diodes, IP rated junction box |
| Panel Dimensions (H × W × D) | 2384 × 1303 × 35 mm |
| Weight | 38.7 kg |
| Operating Temperature Range | -40 °C to +85 °C |
| Nominal Module Operating Temperature (NMOT) | 45 °C ± 2 °C at 800 W/m² irradiance |
| Maximum System Voltage | 1500 V DC |
| Maximum Series Fuse Rating | 35 A |
| Fire Safety Class | Class C |
| Temperature Coefficient of Pmax | -0.328 % / °C |
| Temperature Coefficient of Voc | -0.254 % / °C |
| Temperature Coefficient of Isc | +0.041 % / °C |
Certifications: IEC 61215-1, IEC 61215-1-1, IEC 61215-2, IEC 61730-1, IEC 61730-2, UL 61730-1, UL 61730-2.
Inverter Compatibility: Designed for excellent compatibility with mainstream string inverters and single axis tracking systems in utility, commercial, and industrial projects.
Environmental: Suitable for harsh environments, including high mechanical load regions and challenging climates, with robust glass glass build and sealed junction box for reliable outdoor operation.
Warranty: 12 year product workmanship warranty and 30 year linear performance warranty with maximum 0.50 % annual degradation and guaranteed 83.5 % of the original power output at year 30.
● Available | Contact us for lead time and project specific pricing
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