Description
620W N-Type Bifacial Monocrystalline Solar Panel
The iTel ISP-620WG1- is a high-performance 620W N-Type TOPCon bifacial solar panel engineered to maximize energy yield for residential, commercial, and utility-scale solar installations . Featuring advanced multi-busbar technology and dual-stage 100% EL inspection, it delivers superior low-light performance, low LID/PID degradation, and extra back-side power generation gains of 5% to 25% .
Electrical Performance (STC)
- Rated Peak Power (Pmax): 620W
- Max Power Voltage (Vmp): 39.00V
- Max Power Current (Imp): 15.90A
- Open Circuit Voltage (Voc): 47.20V ±3%
- Short Circuit Current (Isc): 16.63A ±3%
Mechanical Characteristics
- Cell Type: 182*210 N TOPCon Mono (132 Cells)
- Module Dimensions: 2382 x 1134 x 30 mm
- Net Weight: 33.5 kg
- Front / Back Glass: 2.0mm AR / 2.0mm Glazed Glass
- Junction Box & Connector: IP68 (1500Vdc, 3 Diodes) / MC4
Advanced Technical Features
- N-Type TOPCon Technology: Lower temperature coefficients and minimal light-induced degradation (LID) for higher lifetime energy output .
- Bifacial Energy Gain: Captures light from both sides, increasing overall module power generation by up to 5%–25% depending on ground albedo .
- Extreme Environmental Durability: Certified with high salt mist and ammonia resistance by TUV NORD, plus robust 5400Pa snow load and 2400Pa wind load capacity .
- Multi-Busbar (MBB) Design: Improves current collection efficiency, boosting output power and module efficiency .
Complete Specification Summary
| Model Code | ISP-620WG1- |
| Module Efficiency | 22.95% |
| Max System Voltage | 1500V DC |
| Temp. Coefficient of Pmax | -0.290% / °C |
| Temp. Coefficient of Voc | -0.240% / °C |
| Temp. Coefficient of Isc | +0.040% / °C |
| Nominal Module Operating Temp (NMOT) | 45 ± 2 °C |
| Safety Class & Fire Rating | Class C / Max Fuse Rating: 30A |
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