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Model MSBK-33 650 | Mono Bifacial Dual Glass | 132 Monocrystalline Cells | Bifacial | 1500V System Voltage
The BYD MSBK-33 650 mono bifacial dual-glass monocrystalline solar panel delivers very high output and long term reliability for utility scale and large commercial systems. This advanced module combines 210 mm monocrystalline cells with bifacial technology to push maximum power to 650 watts while keeping performance stable over decades. Power ranges from 645 to 675 watts across the series, with module efficiency reaching up to 21.73 percent in ideal conditions. The panel uses a robust dual glass construction and a high strength anodized aluminium frame to support demanding mechanical loads in exposed locations. With a maximum system voltage of 1500 volts DC, the module integrates cleanly into modern high voltage arrays and tracker based projects. The panel is designed for strong energy yield in high temperature climates, low light conditions and harsh environments where ammonia or dust may be present. It also features a strict positive power tolerance, ensuring reliable field performance above the nameplate rating. BYD backs the MSBK-33 series with a solid product warranty and an extended 30 year power warranty, giving asset owners confidence in lifetime energy production.
High power density for large projects: Each module delivers up to 650 watts at standard test conditions, enabling higher system capacity with fewer panels and reduced balance of system hardware on constrained sites.
Bifacial energy gain: The dual glass bifacial design allows power generation from both sides of the module, with a bifacial factor around seventy percent providing potential rear side gains of five to twenty five percent depending on site conditions.
Reliable long term performance: A low annual degradation rate of around zero point five percent and a total power output of eighty three point five percent at year thirty support strong lifetime energy yield and predictable revenue.
Robust mechanical strength: The high strength aluminium frame and dual glass construction support positive mechanical loads up to five thousand four hundred pascals and negative loads up to two thousand four hundred pascals on suitable structures.
Optimised for harsh and hot climates: A low temperature coefficient of power, strong resistance to ammonia and wider application suitability help maintain output in high temperature zones, agricultural sites and coastal or dusty environments.
Excellent low light behaviour: The monocrystalline cells and advanced glass minimise losses during hazy, cloudy or low irradiation periods, helping flatten the daily production curve and improve levelised cost of energy.
The BYD MSBK-33 650 mono bifacial dual-glass monocrystalline solar panel converts sunlight into clean DC power using high efficiency silicon cells. Each of the one hundred thirty two monocrystalline cells is wired in an optimised layout that balances voltage and current for modern high power inverters. When sunlight hits the front or rear glass surface, photons are absorbed by the mono cells and create an electrical current through the photovoltaic effect. This current is collected through busbars and junction box diodes and then directed toward the string wiring and central or string inverter. Under standard test conditions, the module delivers six hundred fifty watts of peak power with a nominal efficiency of around twenty point nine two percent for this rating. Under real world nominal module operating temperature conditions, typical output is approximately four hundred eighty six point seven watts due to temperature and irradiance changes. The dual glass structure protects cells from moisture and mechanical stress, while the bifacial design unlocks extra generation from reflected light on bright ground surfaces or tracker structures. Together, these design elements support stable, bankable performance over a long asset life.
Front side monocrystalline generation: The primary energy harvest occurs on the front side, where anti reflection coated glass allows more light to reach the cells and increase current. Voltage at maximum power reaches around thirty seven point eight six volts and current at maximum power around seventeen point one eight amps under standard test conditions, providing strong string design flexibility.
Rear side bifacial gain: The rear glass side also collects reflected and diffuse light from the ground or nearby surfaces, boosting total energy yield without enlarging the array footprint. With a bifacial factor of roughly seventy percent, sites with bright ground cover or elevated trackers can achieve additional power between five and twenty five percent, which helps reduce levelised energy costs.
Thermal and electrical stability: The panel uses a low temperature coefficient of power of about minus zero point three two eight percent per degree Celsius, which limits losses as cell temperatures rise on hot days. The operating temperature range stretches from minus forty to plus eighty five degrees Celsius, while the junction box with three bypass diodes and IP rated protection helps safeguard the module against hotspots and environmental ingress.
| Brand / Manufacturer | BYD Company Limited |
| Model Number | MSBK-33 650 |
| Cell Technology | Monocrystalline silicon, 210 mm wafer |
| Module Type | Mono bifacial dual glass module |
| Power Range (STC) | 645 Wp to 675 Wp series rating |
| Rated Maximum Power Pmax (STC) | 650 Wp |
| Module Efficiency (650 W rating) | 20.92 % |
| Series Maximum Module Efficiency | Up to 21.73 % at 675 W rating |
| Power Tolerance | 0 to +5 W (linear positive tolerance) |
| Open Circuit Voltage Voc (STC) | 45.45 V |
| Short Circuit Current Isc (STC) | 18.17 A |
| Voltage at Maximum Power Vmpp (STC) | 37.86 V |
| Current at Maximum Power Impp (STC) | 17.18 A |
| Rated Maximum Power Pmax (NMOT) | 486.7 Wp |
| Open Circuit Voltage Voc (NMOT) | 42.6 V |
| Short Circuit Current Isc (NMOT) | 14.66 A |
| Voltage at Maximum Power Vmpp (NMOT) | 35.10 V |
| Current at Maximum Power Impp (NMOT) | 13.87 A |
| Bifacial Factor | 70 % ± 5 % |
| Operating Temperature Range | -40 °C to +85 °C |
| Nominal Module Operating Temperature (NMOT) | 45 °C ± 2 °C |
| Temperature Coefficient of Pmax | -0.328 % / °C |
| Temperature Coefficient of Voc | -0.254 % / °C |
| Temperature Coefficient of Isc | 0.041 % / °C |
| Maximum System Voltage | 1500 V DC |
| Maximum Series Fuse Rating | 35 A |
| Fire Safety Class | Class C |
| Panel Dimensions (H × W × D) | 2384 × 1303 × 35 mm |
| Weight per Module | 38.7 kg |
| Cell Count and Type | 132 monocrystalline cells |
| Glass Type and Thickness | Dual glass with anti reflection coating, 2 mm thickness |
| Frame Material | Anodized aluminium alloy frame |
| Junction Box | Junction box with 3 bypass diodes, IP rated protection |
Certifications: IEC 61215-1 (ed.1), IEC 61215-1-1 (ed.1), IEC 61215-2 (ed.1), IEC 61730-1 (ed.2), IEC 61730-2 (ed.1), UL 61730-1 First Edition, UL 61730-2 First Edition.
Inverter Compatibility: Designed for excellent compatibility with mainstream central and string inverters, including modern 1500 volt tracker based systems.
Environmental: Suitable for harsh environments including ammonia exposure, dusty locations and a wide range of global climate conditions when correctly installed.
Warranty: 12 year product warranty and 30 year linear power warranty with annual degradation of approximately 0.5 percent, guaranteeing at least 83.5 percent of initial power at year 30 under standard conditions.
● Available | Contact us for lead time and pricing
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