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REC Solar 420 Pure-R Heterojunction Monocrystalline Solar Panel
Model 420 | Heterojunction (HJT) | 80 Half-Cut Cells | Bifacial | 1000V System Voltage
Product Overview
The REC Solar 420 Pure-R Heterojunction Monocrystalline Solar Panel delivers exceptional energy performance for modern solar installations. This premium panel features advanced heterojunction cell technology combining crystalline and thin-film silicon layers. It achieves a remarkable 21.8% efficiency rating with 80 half-cut cells for superior power output. The all-black design ensures aesthetic appeal while maintaining high durability in harsh weather conditions. Its bifacial capability captures sunlight from both sides, increasing total energy generation significantly. This panel is ideal for residential and small commercial projects requiring reliable, high-efficiency solar solutions. The lead-free construction meets strict environmental standards like RoHS compliance. It operates efficiently even in high temperatures with an excellent temperature coefficient of -0.24%/°C. The 20-year product warranty and 25-year power warranty provide long-term confidence for investors. Manufactured in Singapore, it represents global quality standards in solar photovoltaic technology.
Key Benefits
High Efficiency Output: Achieves 21.8% module efficiency for maximum energy yield in limited roof space.
Advanced HJT Technology: Heterojunction cells combine crystalline and thin-film silicon for minimal degradation over time.
Bifacial Energy Capture: Captures sunlight from both front and rear surfaces to boost total power generation by up to 25%.
Superior Hot Climate Resilience: Temperature coefficient of -0.24%/°C ensures stable performance even in extreme heat conditions.
Long-Term Warranty Protection: Includes 20-year product warranty and 25-year power warranty for guaranteed long-term performance.
How It Works
This solar panel converts sunlight into electricity through its advanced heterojunction cell structure. The unique design combines crystalline silicon with thin amorphous silicon layers to create a highly efficient energy conversion process. This technology minimizes electron recombination, resulting in higher voltage and current output. The bifacial capability allows light absorption from both sides, increasing total energy yield significantly. The half-cut cell configuration reduces internal resistance and improves performance under partial shading conditions.
Heterojunction Cell Mechanism: HJT cells use a crystalline silicon base with thin amorphous silicon layers on both sides. This dual-layer structure creates a strong electric field that efficiently separates electrons and holes. The result is higher voltage output and reduced energy loss during conversion.
Bifacial Light Absorption: The transparent backsheet allows sunlight to pass through and reflect onto the rear cell surface. This secondary light absorption increases total power generation by capturing reflected light from the ground or roof. It significantly boosts efficiency in bright, open environments.
Half-Cut Cell Design: Each cell is cut in half to reduce internal electrical resistance and current flow. This design minimizes heat generation and improves performance when parts of the panel are shaded. It ensures consistent power output even under non-uniform lighting conditions.
Technical Specifications
| Rated Power Output (Pmax) | 420 Wp |
| Module Efficiency | 21.8% |
| Cell Type | Monocrystalline Silicon |
| Cell Technology | Heterojunction (HJT) |
| Number of Cells | 80 Half-Cut Cells |
| Open Circuit Voltage (Voc) | 59.4 V |
| Short Circuit Current (Isc) | 8.89 A |
| Voltage at Max Power (Vmpp) | 50 V |
| Current at Max Power (Impp) | 8.4 A |
| Temperature Coefficient of Pmax | -0.24%/°C |
| Maximum System Voltage | 1000 V |
| Series Fuse Rating | 25 A |
| Panel Dimensions (H/W/D) | 1730 x 1118 x 30 mm |
| Net Weight | 21.5 kg |
| Glass Type | Anti-reflection Coating Glass |
| Glass Thickness | 3.2 mm |
| Frame Type | Anodized Aluminium, Black |
| Junction Box Protection Class | IP 68 |
| Connector Type | MC4 |
| Cable Crosssection | 4 mm² |
| Operating Temperature Range | -40 to 70 °C |
| Power Tolerance | -3 to +3% |
| Annual Degradation Rate | 0.32% |
Certifications & Compliance
Certifications: RoHS Compliant, Lead-Free Construction
Inverter Compatibility: Compatible with all standard PV inverters
Environmental: High resistance to hail, wind, and snow loads
Warranty: 20-Year Product Warranty and 25-Year Power Warranty
● Available | Contact us for lead time and pricing
| SKU | PES-SPS-SOL-14928 |
|---|---|
| Manufacturer | PES Supply |
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