The Canadian Solar 635W X20 Bifacial Solar Panel is a high-power N-Type TOPCon bifacial module designed for excellent energy production, strong durability, and long-term solar performance. With 635W maximum power output and 23.5% module efficiency, this panel is ideal for commercial, industrial, and large-scale solar projects.
Its bifacial technology allows the module to generate power from both the front and rear sides. Depending on installation conditions such as mounting height, tilt angle, structure, and ground reflectivity, the rear side can provide extra energy gain. The module offers 80% power bifaciality, helping increase total energy yield.
This panel is built with 2.0 mm front heat-strengthened glass, 2.0 mm back glass, an anodized aluminium alloy frame, and an IP68 junction box. It also has a low temperature coefficient of -0.29%/°C, which supports better performance in hot weather. The module is tested for heavy snow load up to 5400 Pa and wind load up to 2400 Pa, making it a reliable option for demanding outdoor installations. The datasheet also lists a 12-year product warranty and 30-year linear power performance warranty.
| Product Name |
Canadian Solar 635W X20 Bifacial Solar Panel |
| Module Type |
N-Type High Power Bifacial Module |
| Cell Technology |
TOPCon Cells |
| Maximum Power (Pmax) |
635W |
| Operating Voltage (Vmp) |
41.9V |
| Operating Current (Imp) |
15.18A |
| Open Circuit Voltage (Voc) |
49.4V |
| Short Circuit Current (Isc) |
16.22A |
| Cell Arrangement |
132 Cells [2 × (11 × 6)] |
| Dimensions |
2382 × 1134 × 30 mm |
| Front Glass |
2.0 mm heat-strengthened glass with anti-reflective coating |
| Back Glass |
2.0 mm heat-strengthened glass |
| Frame |
Anodized aluminium alloy |
| Junction Box |
IP68, 3 bypass diodes |
| Cable |
4.0 mm² IEC / 12 AWG UL |
| Cable Length |
300 mm (+) / 200 mm (-), or customized length |
| Connector |
Tlian T6 / Stäubli PV-KST4-EVO2A/6I, PV-KBT4-EVO2A/6I |
| Maximum System Voltage |
1500V IEC/UL |
| Maximum Series Fuse Rating |
35A |
| Protection Class |
Class II |
| Operating Temperature |
-40°C to +85°C |
| Temperature Coefficient (Pmax) |
-0.29%/°C |
| Temperature Coefficient (Voc) |
-0.25%/°C |
| Temperature Coefficient (Isc) |
0.045%/°C |
| Nominal Module Operating Temperature |
41 ± 3°C |
| Product Warranty |
12 Years |
| Linear Power Performance Warranty |
30 Years |
| First Year Degradation |
Not more than 1% |
| Annual Degradation After First Year |
Not more than 0.4% |
| Pieces Per Pallet |
36 Pieces |
| Pieces Per 40’ HQ Container |
720 Pieces |
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