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Model MSBK-33 675 | Mono Bifacial Dual Glass | 132 Monocrystalline Cells | Bifacial | 1500V System Voltage
The BYD MSBK-33 675W Mono Bifacial monocrystalline solar panel delivers high power density for utility, commercial, and large rooftop projects. This advanced dual glass module combines 210 mm mono cells with bifacial technology to harvest energy from both sides of the panel. Its maximum efficiency of up to 21.73 percent helps more energy be produced from the same array area. The robust glass glass structure and anodized aluminum frame support demanding mechanical loads in harsh environments. A 1500V DC system rating provides design flexibility for modern large scale systems. This panel range covers 645 to 675 W, so system designers can match string sizing with ease. Engineers gain predictable lifetime performance thanks to a low annual degradation rate and strong linear power warranty. With proven BYD quality, this module is a reliable choice where long term energy yield is critical. The MSBK-33 675W panel is engineered for compatibility with mainstream inverters and trackers, supporting efficient project integration.
High power output for fewer modules: Up to 675 W per module reduces required panel count and BOS components. This helps installation costs be lowered and simplifies array design.
Excellent module efficiency: Efficiency up to 21.73 percent maximizes energy generation from limited roof or ground space. Site yield can be increased without expanding the footprint.
Bifacial energy gain: The bifacial dual glass design captures reflected light from the rear side. Power gain of around 5 to 25 percent is achievable with suitable albedo and layout.
Strong mechanical performance: A high strength aluminum frame and dual glass construction withstand heavy snow and wind loads. Long term reliability is supported for utility and commercial sites.
Bankable long term warranty: A 12 year product warranty and 30 year power warranty support investment confidence. The linear degradation profile helps long term yield be forecast accurately.
Wide application range: High compatibility with mainstream inverters and trackers supports flexible system design. The module performs well in high temperature, low light, and NH3 rich environments.
This BYD MSBK-33 675W Mono Bifacial monocrystalline solar panel converts sunlight into usable DC electricity through high efficiency mono cells. The panel uses a dual glass encapsulation that protects the cells while letting light reach both front and rear surfaces. Under standard test conditions the module reaches up to 675 W output with a Vmpp of about 38.31 V and an Impp of 17.63 A. In real world conditions the NMOT values guide expected power, with around 505.6 W at nominal operating temperature. The bifacial factor allows part of the irradiance reflected from the ground or roof to be harvested on the rear side. This increases energy yield in installations that use bright surfaces or elevated mounting structures. The panel connects into strings within a 1500 V DC system, feeding a compatible inverter that converts the DC energy into AC power. The low temperature coefficients help power loss be minimized in hot climates, improving performance across seasons. Over its lifetime the module follows a controlled degradation curve that is backed by BYD’s linear power warranty.
Front side monocrystalline cell conversion: The module uses 210 mm monocrystalline cells spread over 132 cell positions. These cells absorb direct sunlight on the front surface and convert it into DC electricity efficiently.
Rear side bifacial generation: The transparent dual glass structure exposes the rear side of the cells to reflected light. Light from bright ground, rooftops, or nearby surfaces is captured to deliver additional power gain.
Thermal and low light performance: A low temperature coefficient of Pmax around −0.328 percent per degree Celsius limits power loss in heat. Optimized cell and glass configuration also support strong output under haze and cloudy conditions.
| Manufacturer | BYD Company Limited |
| Country of Origin | China |
| Module Type | MSBK-33 675 |
| Technology | Mono Bifacial Dual Glass, 210 mm monocrystalline cells |
| Power Range | 645 Wp to 675 Wp |
| Maximum Power (Pmax) at STC | 675 Wp |
| Module Efficiency at STC | Up to 21.73% |
| Power Tolerance | 0 ~ +5 W (0 ~ +0.5%) |
| Open Circuit Voltage (Voc) at STC | 46.11 V |
| Short Circuit Current (Isc) at STC | 18.38 A |
| Voltage at Maximum Power (Vmpp) at STC | 38.31 V |
| Current at Maximum Power (Impp) at STC | 17.63 A |
| Maximum Power (Pmax) at NMOT | 505.6 Wp |
| Open Circuit Voltage (Voc) at NMOT | 43.2 V |
| Short Circuit Current (Isc) at NMOT | 14.82 A |
| Voltage at Maximum Power (Vmpp) at NMOT | 35.9 V |
| Current at Maximum Power (Impp) at NMOT | 14.09 A |
| Nominal Module Operating Temperature (NMOT) | 45 ± 2 °C |
| Operating Temperature Range | -40 °C to +85 °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 |
| Bifacial Factor | 70 ± 5% |
| Panel Dimensions (H × W × D) | 2384 × 1303 × 35 mm |
| Weight | 38.7 kg |
| Cell Type and Count | 132 monocrystalline bifacial cells, 210 mm wafer size |
| Glass Type and Thickness | Dual glass with anti reflection coating, 2 mm thickness |
| Frame Type | High strength anodized aluminium frame |
| Junction Box and Diodes | Junction box with 3 bypass diodes, IP rated enclosure |
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 1500V string and central inverters, as well as leading single axis tracker systems.
Environmental: Suitable for harsh environments including NH3 exposure, high temperature sites, and low light regions, with dual glass construction for enhanced durability.
Warranty: 12 year product warranty and 30 year linear power warranty, with final year power output at approximately 83.5 percent of the initial rated power, subject to BYD warranty terms.
● Available | Contact us for lead time and pricing
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