470–490W Bifacial Solar Panel – Monocrystalline TopCon · BE470-490T8-120(HC)BF
Overview
Bexie Energy’s BE470-490T8-120(HC)BF TopCon bifacial solar panel combines the superior efficiency of N-Type TopCon technology with energy generation from both sides of the module to maximise output in any type of installation. With power ratings of 470 to 490W and 120 half-cut cells, it delivers exceptional performance under real-world conditions.
Its 120-cell format positions it among the highest-efficiency-per-m² models in the Bexie catalogue, making it particularly suitable for installations where available space is limited and maximum installed power per square metre of roof or ground is required.
Technical specifications of the TopCon bifacial solar panel 490W
- Power: 470 W – 490 W
- Technology: N-Type TopCon
- Number of cells: 120 half-cut (HC)
- Bifacial: yes — generates energy from both sides
- Dimensions: 1909 x 1134 x 30 mm
- Cell type: N-type monocrystalline
Advantages of N-Type TopCon bifacial technology
- Generation from front and back sides — up to 25% more annual energy
- Lower annual degradation than P-Type modules (reduced LID/LeTID)
- Better performance under high temperatures
- Improved behaviour under low-irradiance conditions and cloudy days
- Longer lifespan and optimised return on investment
- Evolved structure compared with PERC technology
Advantages of the 120 half-cut cell format
The 120 half-cut cell format offers an optimal balance between power, efficiency and module dimensions:
- Higher efficiency per m² than formats with fewer cells
- Reduced internal resistance thanks to the half-cut design
- Greater tolerance to partial shading
- Manageable dimensions for roof installation — 1909x1134mm
- Lower weight per installed Wp
Applications of the bifacial solar panel 490W
- Residential and industrial roof installations with limited space
- Ground-mount installations on reflective surfaces
- Elevated structures or solar pergolas
- Utility-scale solar plants
- Flat roofs with elevated mounting
- Projects where maximum power per m² is the priority
Comparison with other models in the Bexie catalogue
- BE470-490T8-120(HC)BF — 120 cells, 490W, 1909x1134mm — higher efficiency per m², ideal for limited spaces
- BE425-445T8-108(HC)BF — 108 cells, 445W, 1722x1134mm — more compact format, ideal for installations with length constraints
- BE510-535T8-132(HC) — 132 cells, 535W, 2094x1134mm — higher power per panel, ideal for large ground-mount installations
Performance under real-world conditions
On south-facing installations with a 30-35° tilt in southern Europe, this module can generate between 470 and 530 kWh per year per installed panel on its front side, in addition to a bifacial contribution of between 25 and 130 kWh extra depending on the ground albedo and the configuration of the installation.
This translates into average savings of between 70 and 100 euros per year per panel at current energy prices, with a typical payback period of 5 to 7 years for a complete residential installation.
Integration with the complete PV system
This panel can be combined with our hybrid inverters, LFP storage batteries and solar mounting structures for a complete and optimised self-consumption installation. Take a look as well at the rest of the solar panels in the Bexie catalogue to find the most suitable model for your installation.
Frequently asked questions about the TopCon bifacial solar panel 490W
What’s the difference between this model and the BE510-535T8-132(HC)?
The BE510-535T8 has 132 cells and higher power (510-535W) but also a longer format (2094mm). The BE470-490T8-120 with 120 cells and 490W is more compact (1909mm) and offers higher efficiency per m², making it more suitable for roofs with length constraints or where performance per surface area is the priority.
How much more does it produce by being bifacial?
The bifacial gain depends on the ground albedo and the configuration of the installation. Under typical conditions with gravel ground or a light-coloured roof, the additional output from the back side ranges between 5% and 25% compared with the same panel in a monofacial version.
Is it compatible with all inverters?
Yes, it’s compatible with most inverters on the market. Contact our technical team for accurate string sizing and inverter selection based on your specific installation.
How many panels do I need for a 10 kWp installation?
With this 490W module, you would need approximately 21 panels to reach 10 kWp of installed power, taking up around 45 m² of surface area.
What warranty do these panels have?
Bexie modules include a product warranty and a linear performance warranty. Refer to the downloadable technical datasheet for the specific details of this model.
