Bifacial 440W TOPCon Panel Sunpro Power SPDG440-N108M10
Sunpro Power SPDG440-N108M10 bifacial module, 440 Wp, N-Type TOPCon 108 half-cut cells, 22,53% efficiency. Double glass, 89,4% linear power warranty after 25 years. BloombergNEF Tier 1 manufacturer.
The Sunpro Power SPDG440-N108M10 photovoltaic module is a 440 W bifacial double-glass panel, with 182x91 mm N-Type TOPCon cells in a 108 half-cut configuration. With 22,53% efficiency, it is the flagship model of the SPDGxxx-N108M10 series, manufactured by a BloombergNEF Tier 1 manufacturer for the fourth consecutive year.
Why choose a bifacial N-Type TOPCon module?
N-Type TOPCon technology degrades less over time than P-type PERC modules, both due to LID (Light Induced Degradation) and LETID. The double-glass and bifacial construction also allow part of the production to be captured from the rear of the module, a real advantage on light-colored roofs or ground-mounted installations with good albedo.
SPDG440-N108M10 technical specifications
| Nominal power | 440 Wp |
| Module efficiency | 22,53% |
| Cell technology | N-Type TOPCon monocrystalline, 182x91 mm |
| Cell configuration | 108 half-cut |
| Construction | Double glass, bifacial |
| Maximum system voltage | 1500 V DC (TÜV and UL) |
| Snow load (front) | 5.400 Pa |
| Wind load (rear) | 2.400 Pa |
| Power tolerance | +3 W (positive only) |
| Product warranty | 25 years (up to 30 on some variants) |
| Linear power warranty | 89,4% at 25 years, 87,4% at 30 years |
| Weight and dimensions | 23,3 kg, 1722x1134x30 mm |
When is the bifacial variant more convenient than the monofacial one?
The actual bifacial gain depends on the installation: on a sloped roof mounted close to the roof surface, the rear-side contribution is marginal, while on ground-mounted structures, pergolas, or light-colored flat roofs, the gain can reach 5-10%. It should be assessed case by case with the installer, without automatically expecting the maximum theoretical value declared by the manufacturer.
What does the supply include?
- SPDG440-N108M10 bifacial photovoltaic module with MC4 connectors
- IEC, TÜV certifications and PID tests included for the production batch
Frequently asked questions
What is the difference between TOPCon and PERC?
N-Type TOPCon is the technology following PERC: it offers higher efficiencies and lower degradation over time, both for LID and LETID, maintaining a more stable yield throughout the module’s service life.
Is the bifacial gain guaranteed on every installation?
No, it depends on the albedo of the surface underneath and the mounting height: on a traditional sloped roof the contribution is limited, while on ground-mounted structures or light-colored flat roofs the gain is more significant.
Is it compatible with 1500V string inverters?
Yes, the module is TÜV and UL certified for systems up to 1500 V DC, compatible with most current commercial and utility scale string inverters.
How much power does the module lose over time?
The linear power warranty declares 89,4% of nominal power at 25 years and 87,4% at 30 years, a value above the common market standard for TOPCon modules.
Is it also suitable for installations with heavy snow loads?
Yes, the module is certified for a front load of up to 5.400 Pa and a rear load of up to 2.400 Pa, values above the average of many standard modules.