Description
The Inverex Jolywood JW Pro 620W N-Type TOPCon Bifacial Solar Panel is a high-output photovoltaic module designed for residential, commercial and large-scale solar installations. The JW-HD156N-620 combines advanced N-Type TOPCon technology with bifacial power generation and a durable double-glass structure for reliable long-term solar energy production.The module delivers a rated output of 620W with a module efficiency of 22.18%. It uses 156 monocrystalline N-Type cells and offers an 80% bifaciality rating, allowing the rear side of the panel to utilize reflected sunlight and contribute additional energy generation under suitable installation conditions.The JW Pro Series is designed for improved energy yield in demanding operating environments. Its N-Type technology provides excellent weak-light response and a low temperature coefficient, helping the panel maintain better performance as operating temperatures increase. The module has a Pmax temperature coefficient of -0.300% per degree Celsius.Its double-glass construction uses 2.0mm heat-strengthened glass on both the front and rear sides. The module is housed in an anodized aluminium alloy frame and incorporates an IP68 junction box for enhanced environmental protection.The panel supports a maximum system voltage of 1500V DC, a maximum series fuse rating of 30A, and an operating temperature range from -40 degrees Celsius to +85 degrees Celsius. Its mechanical design is rated for a front snow load of 5400Pa and wind load of 2400Pa.The module measures 2465 x 1134 x 30mm and weighs approximately 34.5kg. Jolywood provides a 12-year product material and workmanship warranty together with a 30-year linear performance warranty for this JW Pro series.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Inverex Jolywood |
| Series | JW Pro |
| Model | JW-HD156N-620 |
| Product Type | N-Type TOPCon Bifacial Solar Module |
| Rated Power | 620W |
| Cell Technology | N-Type TOPCon Monocrystalline |
| Number of Cells | 156 |
| Cell Size | 182 x 91mm |
| Module Efficiency | 22.18% |
| MPP Voltage Vmp | 46.2V |
| MPP Current Imp | 13.42A |
| Open Circuit Voltage Voc | 55.2V |
| Short Circuit Current Isc | 14.17A |
| Power Tolerance | 0 to +5W |
| Bifaciality | 80% |
| Maximum System Voltage | 1500V DC |
| Maximum Series Fuse Rating | 30A |
| Operating Temperature | -40 degrees Celsius to +85 degrees Celsius |
| Temperature Coefficient of Pmax | -0.300% per degree Celsius |
| Temperature Coefficient of Voc | -0.250% per degree Celsius |
| Temperature Coefficient of Isc | +0.045% per degree Celsius |
| Nominal Operating Cell Temperature | 42 plus or minus 2 degrees Celsius |
| Module Construction | Bifacial Double Glass |
| Front Glass | 2.0mm Heat-Strengthened Glass |
| Rear Glass | 2.0mm Heat-Strengthened Glass |
| Frame | Anodized Aluminium Alloy |
| Junction Box | IP68, 3 Diodes |
| Cable Size | 4.0mm² |
| Cable Length | +300mm / -180mm |
| Dimensions | 2465 x 1134 x 30mm |
| Weight | 34.5kg |
| Snow Load | 5400Pa |
| Wind Load | 2400Pa |
| Pieces per Pallet | 36 |
| Pieces per 40HQ Container | 576 |
| Product Warranty | 12 Years |
| Linear Performance Warranty | 30 Years |






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