Light for its output, no clear weak spot
The Q-Cells Q.TRON S-G3R+ solar panel series represents a milestone in the development of residential solar system technology, basing its design on breakthrough N-type cells. The use of Q.ANTUM NEO technology allows for significantly higher energy conversion efficiency than standard modules, which directly translates into maximizing yields even from limited roof space. Thanks to this, the series solves the problem of small or complex roof areas, offering high power density in a compact form. A unique feature of the modules is their exceptional resistance to degradation and excellent performance in low-light conditions, which in the Polish climate ensures stable energy production from dawn to dusk. These panels are primarily dedicated to prosumers seeking uncompromising quality and long-term investment security, as confirmed by a 25-year product warranty and a linear power warranty. Compared to the competition, the Q.TRON S-G3R+ stands out with its reinforced frame resistant to extreme weather conditions and an elegant design that aesthetically blends with modern architecture. By choosing these modules, you gain the certainty of using top-class TOPCon technology, which minimizes energy losses and guarantees the highest return on investment throughout the lifetime of the installation.
Ranking
Signals from the data
Residential and cold-climate.
Top 15% of the TOPCon 400-450 W segment, against a median of 51.5.
The Q.ANTUM NEO technology built on N-type TOPCon cells delivers up to 22.5% efficiency and a low power temperature coefficient of -0.28%/K, translating into higher energy yield on hot days compared to older P-type PERC modules.
The manufacturer guarantees 98.5% of nominal power in the first year and 88.93% after 30 years, outperforming the typical 25-year warranty with degradation down to roughly 84-85% offered by many segment competitors.
Q-Cells (Hanwha Q CELLS) is a South Korean manufacturer founded in 1999; its confirmed Tier 1 bankable status makes project financing easier through banks and leasing companies and lends high credibility to long-term warranty claims.
The BFG variant of the S-G3R+ series captures irradiance on the rear side of the module, which, when mounted over reflective ground or on elevated racking, can increase total energy yield by several percent versus a monofacial module of equal rated power.
The series features a reinforced frame rated for higher snow and wind loads, which is relevant in Polish climate conditions with periodic winter snowfall.
At the same 450 Wp maximum power, competitors such as SunKean and Sunket New Energy offer 23.04% efficiency versus 22.5% for the Q.TRON S-G3R+, meaning they reach identical power output with a slightly smaller module footprint - relevant for very constrained roof space.
- At 22.0% efficiency, this panel is on par with typical TOPCon 400-450W modules
- Power density of 220.2 W/m² matches the TOPCon 400-450W median
- At -0.30%/°C, hot weather performance is typical for TOPCon 400-450W panels
- 20.9 kg weight - 1.1 kg lighter than TOPCon 400-450W median (22.0 kg), reducing installation effort
- 70% bifaciality enables rear-side power generation, boosting yield by 4-10% on reflective surfaces
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.
Found 1402 panels of the same or similar size to this one, within ±10 mm. See them here Found 1432 panels of the same or similar size to this one, within ±25 mm. See them here Found 3651 panels of the same or similar size to this one, within ±50 mm. See them here Found 3999 panels of the same or similar size to this one, within ±100 mm. See them here
About the Q.TRON S-G3R+ SERIES series
These answers cover the whole series. Where a figure differs, the specification above is this module's own.