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DMEGC DM450M10RT-54HSW-V
DMEGC Brand review

DM450M10RT-54HSW-V

450 Wp TOPCon
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 9%
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 · 3.4 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

The DMEGC INFINITY RT DMxXXM10RT-54HSW series was designed for maximum energy yield where every square meter of roof counts. Modules utilize N-type (TOPCon) technology, which helps limit performance degradation over time and operates more reliably under demanding operating conditions. The application of SMBB - multi-string metallization improves current collection from cells and supports resistance to microcracks, translating to higher overall PV system reliability.

In practice, this series addresses a common issue in both residential and commercial installations - how to generate more electricity without expanding the structure or replacing the inverter. Thanks to excellent performance in low light conditions, modules can more effectively utilize dawn, afternoon, and cloudy days, typical of Poland's climate. Additionally, enhanced PID resistance supports long-term parameter stability.

This is a suitable choice for rooftop installations on homes, commercial buildings, and small C&I projects, where efficiency, longevity, and predictable yield over years are key.

Ranking

1,089 panels in the segment TOPCon 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 52.2 Strong · top 12% 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 · 1 caution
Best for

Residential and commercial.

Strengths
45.8 kg per kWp

Top 12% of the TOPCon 450-500 W segment, against a median of 52.2.

What owners get
Up to 23.3% Efficiency — Segment Leader

The top variant of the series (DM465M10RT-54HSW) achieves 23.3% module efficiency, outperforming direct peers DAH DHN-54R18/DG (22.78%) and JS Solar/Jinko JS182MHC120 (21.48%). Even the lower end of the series (22.3%) remains above the peer group median.

N-Type TOPCon with IEC TS 63342 (LeTID) Certification

N-type cells exhibit LID degradation below 1% in the first year and approximately 0.4% per year thereafter, with a temperature coefficient of -0.29%/°C versus the typical -0.34 to -0.35%/°C for PERC technology. The manufacturer has confirmed LeTID resistance through IEC TS 63342 certification — a significant advantage given Polish climatic conditions with frequent thermal cycling.

30-Year Linear Power Warranty

The series carries a 20-year product warranty and a 30-year linear power output warranty. Most comparable Tier-1 models (Jinko, JA Solar) offer a standard 25-year power warranty, making this series more favorable from a long-term financing perspective (CAPEX/ROI for C&I installations).

BNEF Tier 1 for 8 Consecutive Quarters (Q1 2026)

DMEGC has maintained Tier 1 status per BloombergNEF as of Q1 2026, confirming bankability — modules qualify for non-recourse project finance. In H1 2025, the company shipped 13.4 GW of modules (64% year-over-year growth), placing it among the global top 10 manufacturers.

Kiwa PVEL Top Performer 2025 — 5th Consecutive Year

The Infinity RT series was named a Top Performer in the Kiwa PVEL PV Module Reliability Scorecard 2025 (11th edition) across the following test sequences: Thermal Cycling, Damp Heat, Mechanical Stress, PID, and LID+LeTID. This independent reliability validation is widely referenced by PV project lenders and insurers.

Trade-offs
Monofacial-Only Module

The DMxxxM10RT-54HSW series is not bifacial (is_bifacial: false), whereas the direct peer DAH DHN-54R18/DG(BW) offers a bifacial dual-glass variant. For ground-mounted systems or rooftops with a light-colored membrane, the foregone bifacial gain typically amounts to 5–15% additional annual energy yield — a material difference when calculating LCOE for C&I projects.

Notes from the database
  • Efficiency of 22.5% matches the TOPCon 450-500W median
  • At 225.2 W/m² power density, roof space requirements are typical for TOPCon 450-500W panels
  • At -0.29%/°C, hot weather performance is typical for TOPCon 450-500W panels
  • Weight of 20.6 kg (3.4 kg below TOPCon 450-500W median of 24.0 kg) allows easier transport and roof mounting
  • In the top 30% for efficiency among all TOPCon 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 · 3.4 kg below median
Cells 108 · TOPCon 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-V 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 warranty coverage applies to the DMEGC INFINITY RT DMxxxM10RT-54HSW series panels?
The DMEGC INFINITY RT series is backed by a 20-year product warranty covering material and workmanship defects, along with a 30-year linear power output warranty. After 30 years of operation, the module is guaranteed to retain at least 84.8% of its nominal power. This is among the longest power warranties available on the market, reflecting the manufacturer's confidence in the long-term reliability of its TOPCon technology.
Do DMEGC INFINITY RT panels perform well under overcast conditions and in the Polish climate?
Yes. The N-type TOPCon technology combined with half-cut M10R cells delivers a higher fill factor and superior low-irradiance performance compared to standard PERC modules. Under conditions typical of Poland — overcast mornings, fog, and low sun angles in autumn and winter — the INFINITY RT series generates more energy per installed kilowatt-peak than older technologies.
What is the maximum power output and module efficiency of the DMEGC INFINITY RT?
The top variant in the series achieves 465 Wp at a module efficiency of up to 23.3%. This is made possible by the rectangular M10RT cells and SMBB (Super Multi-Busbar) metallization technology, which reduces internal resistance and recombination losses. For prosumer installations, this translates into higher energy yield from the same roof area without the need to expand the mounting structure.
Is the DMEGC INFINITY RT DMxxxM10RT-54HSW panel bifacial?
No, the DMxxxM10RT-54HSW series is a monofacial module — current is generated only by the front side of the cell. The advantages include no dependency on substrate albedo and typically higher resistance to hail impacts (class HW4). This makes it a practical choice for standard pitched roofs, where bifacial cells would have no opportunity to capture reflected light from below anyway.
Is DMEGC a reliable manufacturer, and is the INFINITY RT series available in Poland?
DMEGC Solar is classified as a Tier 1 manufacturer by independent agencies, including Bloomberg NEF, which signifies financial stability and consistent production quality. The company is headquartered in China and is one of the major global suppliers of cells and modules. The INFINITY RT series is actively produced and available through distributors operating in the Polish market.
How does the DMEGC INFINITY RT series handle snow and wind loads — is it suitable for Polish rooftops?
Yes. Modules in the INFINITY RT series are certified for a front-side snow load of up to 3,600 Pa and a rear-side wind load of up to 1,600 Pa. Polish standards for snow loads typically range from 1,000 to 2,400 Pa depending on the load zone, meaning the panel meets local requirements with a comfortable safety margin. The reinforced frame and laminate support long-term reliable operation under winter conditions.
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