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DMEGC DM450M10RT-54HSW
DMEGC Brand review

DM450M10RT-54HSW

450 Wp N-type
ComparePV verdict

Light for its output, no clear weak spot

Rank 7,165 of 14,005
Compare panels Datasheet PDF
Power (Wp)
450
Weak · bottom 8%
Efficiency (%)
22.50
Typical · median 22.52%
Density (Wp/m²)
225.2
Typical · median 225.2
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
20.6
Strong · 3.1 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

The DMEGC INFINITY RT solar panel series introduces a new level of quality to the Polish market through the use of innovative rectangular N-Type TOPCon cells. The use of RT (Rectangular Technology) allows for significantly better utilization of the module surface area, which directly translates into maximizing yields from every square meter of the roof. This is a key solution for investors facing limited mounting space who do not want to sacrifice high system power. These modules stand out with exceptional resistance to light-induced degradation and excellent performance in low-light conditions, which ensures stable energy production throughout the year in the Polish climate. Thanks to their advanced design, this series effectively minimizes energy losses resulting from high ambient temperatures, while offering an enhanced bifaciality factor in bifacial variants. DMEGC INFINITY RT is a proposal for the most demanding residential users and modern commercial projects where long-term profitability and reliability matter. What sets them apart from the competition is the precise combination of record-breaking power density and aesthetic design, making them a standard in the premium segment. By choosing this series, you eliminate the risk of rapid efficiency drops, investing in the technology of tomorrow available today.

Ranking

301 panels in the segment N-type 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.50% 22.52% Typical 4,222
Power density 225.2 225.2 Typical 4,225
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 45.8 49.5 Strong · top 20% 883
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

6 positive · 2 caution
Best for

Residential and commercial.

Strengths
45.8 kg per kWp

Top 20% of the N-type 450-500 W segment, against a median of 49.5.

What owners get
22.0–23.3% Efficiency – Premium Class

The upper efficiency limit of 23.3% exceeds peer comparables by more than 1.8 percentage points versus Jinko Solar JS182MHC120 (21.48%) and by as much as 2.4 percentage points versus Vikram SOMERA (20.91%). In practical terms, this translates to approximately 8–11% more power from the same roof area with an identical number of modules.

N-Type TOPCon with Low Temperature Coefficient and Degradation

The temperature coefficient of Pmax is only −0.29%/°C (ENF Solar data, datasheet DM440-460M10RT), resulting in higher energy yield during summer months compared to older PERC cells (typically −0.35%/°C). Annual degradation after the first year is ≤0.4% — on par with the best-in-class N-type products in this segment.

30-Year Power Warranty at ≥87.4%

The manufacturer guarantees at least 87.4% of nominal power output after 30 years of operation (official DMEGC warranty document, PDF 2025-12). None of the peer comparables in the referenced comparison declare a 30-year power warranty, providing a meaningful advantage in NPV calculations for projects with a 25+ year horizon.

Confirmed Tier-1 Status and Strong Manufacturer Position

DMEGC Solar maintained its BloombergNEF Tier-1 status in Q3 2025, appears on the S&P Global Tier-1 list, and ranked 5th globally in the Wood Mackenzie 2025 ranking. With operations dating back to 1980, installations based on these modules will face no obstacles during bankability due diligence for external project financing.

RT Technology – Higher Power Density per Module

The rectangular M10RT cells (module dimensions 1762 × 1134 mm, 24.5 kg for the 440–460 W variants) eliminate the inactive corners of conventional square cells, maximizing the utilization of the module's active area. In space-constrained installations, this allows a higher total system power to be achieved without increasing the number of modules.

Trade-offs
Product Warranty of 20–25 Years Depending on Variant

Certain variants in the series (including DM440-460M10RT-54HBB) carry only a 20-year product warranty, whereas leading Tier-1 manufacturers (Jinko Tiger Neo, LONGi Hi-MO X6) have standardized to a 25-year product warranty across their entire portfolios. The model suffix must be verified prior to purchase — a 5-year difference is material when assessing operational risk.

440–465 Wp Variants Are Monofacial Only

The analyzed power range (440–465 Wp, is_bifacial: false) does not provide rear-side energy yield (bifacial gain is typically 5–15% on a high-albedo surface). Bifacial INFINITY RT variants in this power range were presented by DMEGC at Intersolar 2024 (pv-magazine.com, June 2024); however, their availability through Polish distribution channels requires confirmation with the local importer.

Notes from the database
  • At 22.5% efficiency, this panel is on par with typical N-type 450-500W modules
  • At 225.2 W/m² power density, roof space requirements are typical for N-type 450-500W panels
  • At -0.29%/°C, hot weather performance is typical for N-type 450-500W panels
  • At 20.6 kg, this panel is 3.1 kg lighter than N-type 450-500W median (23.7 kg) - easier handling during installation
  • In the top 30% for efficiency among all N-type panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 450 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.50 % Typical Segment median 22.52%
Vmpp · Impp 33.91 V · 13.27 A Operating point at max power
Voc · Isc 40.25 V · 14.17 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1762×1134×30 mm · 2.00 m² of roof
Weight 20.6 kg Strong Strong · 3.1 kg below median
Cells 108 · N-type Monocrystalline
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.048 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 20 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 393 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by DMEGC in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 450 Wp appear here. The rest cover the whole series.

Power Degradation Warranty Curve Over 30 Years Power Degradation Warranty Curve Over 30 Years Whole series

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.290 %/°C against a segment median of -0.290
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
DMEGC DM450M10RT-54HSW 450 W 22.50% -0.290 20.6 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +45 W, cooler, +2.3 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +40 W, cooler, +2.0 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +50 W, cooler, +2.0 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +50 W, cooler, +2.0 pp
GK-3-54HGb-500M 500 W 24.50% -0.260 21.4 kg +50 W, cooler, +2.0 pp
GCL-NR10R/54BGDF 500 W 24.50% -0.260 24.6 kg +50 W, heavier, +2.0 pp
DM435M10RT-B54HBB-L 435 W 21.80% -0.290 20.4 kg -15 W, -0.7 pp
DM440M10RT-54HSW/HBW 440 W 22.00% -0.290 20.6 kg -10 W, -0.5 pp
DM445M10RT-54HSW/HBW 445 W 22.30% -0.290 20.6 kg Very close match
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +60 W, cooler, +2.5 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +55 W, cooler, +2.2 pp

Found 1395 panels of the same or similar size to this one, within ±10 mm. See them here Found 1425 panels of the same or similar size to this one, within ±25 mm. See them here Found 3614 panels of the same or similar size to this one, within ±50 mm. See them here Found 3962 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What is RT technology in DMEGC INFINITY RT panels and why does it matter for rooftop installations?
RT stands for Rectangular Technology, referring to the use of rectangular N-Type TOPCon cells instead of conventional cells with chamfered corners. This allows the module to fill the entire glass surface more efficiently, eliminating dead zones. In practice, this translates to higher power density — more watts from the same roof area. This is a key advantage on a typical pitched residential roof, where every square centimeter counts.
What warranty do DMEGC INFINITY RT panels come with and what does it cover?
The INFINITY RT series offers a 25-year product warranty covering physical defects and module construction, along with a 30-year linear power output warranty. Degradation is less than 1% in the first year and no more than 0.4% per year in subsequent years, guaranteeing at least 87.4% of original rated power after 30 years of operation. This is one of the longest and most competitive warranties currently available in the premium panel segment.
Do DMEGC INFINITY RT panels perform well in winter and under low-irradiance conditions?
Yes, the N-Type TOPCon technology used in the INFINITY RT series delivers above-average performance under diffuse and low-irradiance conditions typical of autumn and winter months in northern and central Europe. N-Type cells also exhibit a lower temperature coefficient than older P-Type cells, reducing power losses on hot summer days. The combined result is stable, consistent energy production throughout the entire year.
What is the maximum power output of a DMEGC INFINITY RT panel and how many panels do I need for a residential installation?
INFINITY RT series modules in the M10RT variant achieve up to 465 Wp peak power. For a typical prosumer installation of 6 kWp, approximately 13 panels are sufficient, while a 10 kWp system requires approximately 22 panels. The high power density enabled by RT technology means you can fit a larger system on the same roof footprint compared to standard modules with lower power density.
How does the DMEGC INFINITY RT differ from standard TOPCon panels available on the market?
The key differentiator is the rectangular cell shape (RT), which increases the module fill factor compared to the conventional pseudo-square cells used in the majority of TOPCon modules. The INFINITY RT series combines this with SMBB (Super Multi Busbar) technology, which improves current collection and reduces the impact of microcracks. The result is higher module efficiency and superior resistance to degradation over decades of service.
Is DMEGC a reliable manufacturer and will the warranty be honored?
DMEGC Solar holds Tier 1 manufacturer status according to Bloomberg NEF, the highest possible rating for financial and technical credibility in the photovoltaic industry. The company actively supplies modules to the European market and maintains a network of authorized distributors. Its established, long-standing market position provides a genuine assurance that warranty claims will be fulfilled throughout the full 25- and 30-year coverage periods.
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