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REC REC610AA Pro MG 610W HJT Bifacial Monocrystalline Solar Panel
Model REC610AA Pro MG | HJT Bifacial | 120 Half-Cut Monocrystalline Cells | Bifacial | 1500V System Voltage
Product Overview
The REC REC610AA Pro MG 610W HJT bifacial monocrystalline solar panel is engineered to deliver high output and long term reliability for commercial and industrial projects. With advanced heterojunction technology and a bifacial design, this module harnesses light from both sides to increase energy yield per square metre. It operates at a maximum power of 610 Wp with an impressive module efficiency of 21.5 percent, making it ideal for space constrained rooftops and high performance ground mounts. The panel belongs to the REC Alpha Pro MG series and offers a power range from 590 Wp to 640 Wp across the family. Built with 120 half cut monocrystalline cells and dual 2 mm glass, it combines durability with excellent thermal behaviour. Designed and manufactured in Singapore by REC Solar Pte. Ltd., this module supports 1500 V systems and fits seamlessly into modern high power arrays. Its balanced electrical characteristics and low temperature coefficients support stable performance in hot climates.
Key Benefits
High power density for limited space: At 610 Wp and 21.5 percent efficiency, this panel delivers more kilowatts from each string. System designers can reach target capacity with fewer modules and reduced mounting hardware.
Bifacial energy gain: The bifacial HJT cell design captures reflected light from the rear side to boost annual energy. This improves yield on reflective surfaces such as light coloured membranes, gravel roofs and ground mount installations.
Excellent performance in heat: A low temperature coefficient of power at −0.24 percent per degree Celsius reduces losses on hot days. The panel continues to operate efficiently in warm climates and during peak summer irradiance.
Robust dual glass construction: Front and rear 2 mm solar glass with anti reflection coating protect the high efficiency cells. The rigid anodized aluminium frame and IP68 junction box support long service life in demanding environments.
Long term warranty protection: A 30 year product warranty and 30 year power warranty provide strong assurance. After three decades, output is supported at around 90.75 percent of the original rated power.
How It Works
This REC Alpha Pro MG panel converts sunlight into electricity using advanced bifacial heterojunction cells. Each half cut monocrystalline cell features thin amorphous silicon layers that reduce recombination losses. When sunlight hits the front glass, photons generate charge carriers inside the cell structure and direct current flows through the interconnected busbars. The rear side of the module remains active and collects additional light reflected from the roof or ground surface. This rear side contribution raises the effective output beyond that of a standard monofacial module. Electrical energy travels through the three diode junction box and exits via MC compatible connectors. Strings of modules are then wired in series and combined to match the input window of a grid tied or hybrid inverter. The inverter converts the direct current into alternating current and feeds building loads or the grid. Throughout this process, low temperature coefficients and optimized operating voltage help maintain stable production.
Bifacial HJT cell operation: Heterojunction cells combine monocrystalline wafers with thin amorphous layers on both sides. This structure is highly passivated and reduces energy losses at the cell surface. Because both front and rear surfaces are active, the panel can respond to direct and reflected light. This boosts real world yields compared with traditional mono PERC designs.
Half cut cell and string layout: Each full cell is split into two half cells to reduce resistive losses and improve shade tolerance. The panel uses 120 half cut cells arranged in optimized strings with three bypass diodes. This configuration helps maintain production if part of the module is shaded or soiled, keeping more of the array online.
System integration and voltage: The module is rated for 1500 V systems, allowing longer strings and lower balance of system costs. With a maximum power voltage of 36.3 V and current of 16.81 A, it pairs well with modern string inverters. Correct string sizing within inverter voltage windows ensures efficient operation and helps minimize clipping losses.
Technical Specifications
| Brand | REC |
| Model Number | REC610AA Pro MG |
| Technology | HJT bifacial monocrystalline |
| Cell Type and Count | 120 half cut monocrystalline cells, bifacial design |
| Nominal Power (Pmax, STC) | 610 Wp |
| Module Efficiency (STC) | 21.5 % |
| Power Range (Series) | 590 – 640 Wp across Alpha Pro MG series |
| Voltage at Max Power (Vmpp, STC) | 36.3 V |
| Current at Max Power (Impp, STC) | 16.81 A |
| Open Circuit Voltage (Voc, STC) | 44.4 V |
| Short Circuit Current (Isc, STC) | 17.56 A |
| Panel Efficiency Range (Series) | 20.8 – 22.5 % depending on wattage |
| Additional Pmax (Secondary Rating) | 464 Wp at alternative test condition provided |
| Vmpp (Secondary Condition) | 34.2 V |
| Impp (Secondary Condition) | 13.58 A |
| Voc (Secondary Condition) | 41.9 V |
| Isc (Secondary Condition) | 14.18 A |
| Power Tolerance | -3 % to +3 % |
| Total Degradation (30 Years) | Approximately 9.25 % total, 90.75 % power remaining |
| Annual Degradation Rate | 0.31 % per year after initial period |
| Nominal Operating Module Temperature | 44 °C ± 2 °C |
| Operating Temperature Range | -40 °C to 85 °C |
| Temperature Coefficient of Pmax | -0.24 % / °C |
| Temperature Coefficient of Voc | -0.23 % / °C |
| Temperature Coefficient of Isc | +0.04 % / °C |
| Maximum System Voltage | 1500 V DC (IEC) |
| Maximum Series Fuse Rating | 35 A |
| Maximum Test Load (Front) | +5400 Pa (approx. 551 kg/m²) |
| Maximum Test Load (Rear) | -2400 Pa (approx. 245 kg/m²) |
| Panel Dimensions (L x W x H) | 2175 x 1305 x 30 mm physical size |
| Approximate Dimensions (Input Listing) | 2172 x 1305 x 30 mm referenced size |
| Panel Area | 2.84 m² approximate surface area |
| Weight | 36.8 kg per module |
| Front Glass | 2 mm solar glass with anti reflection coating |
| Rear Glass | 2 mm solar glass with white grid design |
| Frame Material and Colour | Anodized aluminium, silver finish |
| Junction Box | 3 part junction box with 3 bypass diodes, lead free design |
| Junction Box Protection Rating | IP68, in accordance with IEC 62790 |
| Connectors | Jiaming Tianheyuan PV-JM608, IP68 when connected, IEC 62852 compliant |
| Cable Specification | 4 mm² solar cable, 0.3 m positive and 0.3 m negative, EN50618 compliant |
| Bifaciality Factor | More than 86 % listed for series |
| Country of Origin | Made in Singapore |
Certifications & Compliance
Certifications: Designed to meet IEC 61215 and IEC 61730 safety and performance standards for crystalline silicon modules. Junction box and connectors are IP68 rated in line with IEC 62790 and IEC 62852 requirements for long term field exposure.
Inverter Compatibility: Suitable for 1500 V DC string designs using modern three phase string or central inverters. Modules can be combined with most leading grid tied and hybrid inverters that accept high current, high power commercial class modules.
Environmental: Dual glass and anodized aluminium construction supports use in coastal, desert and industrial locations when installed per REC guidelines. High mechanical load ratings help with snow and wind resilience in diverse climates.
Warranty: 30 year product warranty covers defects in materials and workmanship under normal use. 30 year linear power warranty supports output down to about 90.75 percent of nameplate power at the end of the term, with an annual degradation rate of roughly 0.31 percent after the first year.
Documentation
Product Datasheet (PDF)● Available | Contact us for lead time and pricing
| SKU | PES-SPS-SOL-14938 |
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| Manufacturer | PES Supply |
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