Trina Solar 620 Watts Monocrystalline Solar Panel | Bifacial
Original price was: KSh15,700.00.KSh13,900.00Current price is: KSh13,900.00.
- Bifacial Dual-Glass Technology: Captures sunlight from both sides with up to 80±5% bifaciality, boosting yields by 10-30% depending on surface reflectivity; dual 2.0mm tempered AR-coated glass for fire resistance, durability, and protection against PID, LID, and environmental factors like salt or high humidity.
- N-type i-TOPCon Monocrystalline Cells: Advanced 120-cell design with non-destructive cutting to minimize micro-cracks; high efficiency (up to 21.9% for 620W), excellent low-light performance, and low temperature coefficient for consistent output in heat or shade.
- High Power and Tolerance: 620W rating with 0~+5W positive tolerance; low voltage, high current design for higher string power and reduced BOS/LCOE costs.
- Robust Build: Handles 5400Pa front load (snow/wind) and 2400Pa rear; IP68 junction box with 3 bypass diodes to cut shading losses; resistant to harsh environments including sand, ammonia, and extreme temps (-40°C to +85°C).
- Low Degradation: First-year drop of just 1%, then 0.4% annually for long-term reliability.
Description
Eyeing a high-powered panel for a mid-to-large solar install, like on a commercial building or a home with plenty of roof space, the Trina Solar 620W bifacial panel (Vertex N NEG19RC.20 or similar in the 590-620W range) is a solid, efficient choice that’s all about getting more from the sun without overcomplicating things. This N-type i-TOPCon bifacial module uses top-grade monocrystalline cells to grab light from both the front and back sides, so if your setup has reflective ground or a light-colored surface below, you could squeeze out an extra 10-30% energy—perfect for sunny climates like Kenya’s where every bit of yield helps cut those power bills. At 620W, it’s built to reduce the number of panels you need, lowering overall costs, and it shines in low light or hot weather with low degradation over time. The dual-glass design makes it tough against wind, snow, hail, and even stuff like salt or ammonia, so it’s great for harsh spots. Hook it up to your inverter for grid-tie or off-grid, and you’re set for reliable, clean energy for years, with Trina’s strong focus on sustainability and long warranties.

Trina Solar 620W bifacial panel Key Features
- Bifacial Dual-Glass Technology: Captures sunlight from both sides with up to 80±5% bifaciality, boosting yields by 10-30% depending on surface reflectivity; dual 2.0mm tempered AR-coated glass for fire resistance, durability, and protection against PID, LID, and environmental factors like salt or high humidity.
- N-type i-TOPCon Monocrystalline Cells: Advanced 120-cell design with non-destructive cutting to minimize micro-cracks; high efficiency (up to 21.9% for 620W), excellent low-light performance, and low temperature coefficient for consistent output in heat or shade.
- High Power and Tolerance: 620W rating with 0~+5W positive tolerance; low voltage, high current design for higher string power and reduced BOS/LCOE costs.
- Robust Build: Handles 5400Pa front load (snow/wind) and 2400Pa rear; IP68 junction box with 3 bypass diodes to cut shading losses; resistant to harsh environments including sand, ammonia, and extreme temps (-40°C to +85°C).
- Low Degradation: First-year drop of just 1%, then 0.4% annually for long-term reliability.
- Extended Warranties: 12-year product workmanship and 30-year linear power warranty (down to 87.4% after 30 years, or similar based on series).
Trina Solar 620W bifacial panel Technical Data Table
| Specification | Value/Details |
|---|---|
| Model | TSM-NEG19RC.20 / NEG19RC.20 (590-620W range) |
| Cell Type | N-type Monocrystalline i-TOPCon, Bifacial |
| Number of Cells | 120 |
| Maximum Power (Pmax/STC) | 620 Wp |
| Module Efficiency | 21.9% |
| Open Circuit Voltage (Voc/STC) | 43.2 V |
| Short Circuit Current (Isc/STC) | 18.18 A |
| Voltage at Maximum Power (Vmpp/STC) | 36.1 V |
| Current at Maximum Power (Impp/STC) | 17.16 A |
| Maximum Power (Pmax/NOCT) | 473 Wp |
| Open Circuit Voltage (Voc/NOCT) | 40.8 V |
| Short Circuit Current (Isc/NOCT) | 18.18 A |
| Voltage at Maximum Power (Vmpp/NOCT) | 33.9 V |
| Current at Maximum Power (Impp/NOCT) | 13.92 A |
| Bifaciality Factor | 80±5% |
| Power Tolerance | 0 ~ +5 W |
| Temperature Coefficient (Pmax) | -0.30 %/°C |
| Temperature Coefficient (Voc) | -0.25 %/°C |
| Temperature Coefficient (Isc) | +0.05 %/°C |
| Nominal Operating Cell Temp (NOCT) | 43 °C (±2 °C) |
| Operating Temperature | -40 °C to +85 °C |
| Maximum System Voltage | 1500 V DC |
| Maximum Series Fuse Rating | 35 A |
| Dimensions (L x W x H) | 2172 mm x 1303 mm x 35 mm |
| Weight | 35.3 kg |
| Front/Back Glass Thickness | 2.0 mm Heat Strengthened AR Coated |
| Frame Material | Anodized Aluminum Alloy |
| Junction Box | IP68 Rated, 3 Bypass Diodes |
| Cable Cross-Section | 4.0 mm² |
| Connector Type | Staubli MC4 EVO2 / TS4 |
| Front Static Load | 5400 Pa |
| Rear Static Load | 2400 Pa |
| Hail Resistance | 25 mm at 23 m/s |
| Product Warranty | 12 Years |
| Power Warranty | 30 Years (1% first year, 0.4% annual thereafter) |
| Certifications | IEC61215/IEC61730/IEC61701/IEC62716, ISO 9001/14001/45001 |
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