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DMEGC DM465M10RT-B54HBW
DMEGC Brand review

DM465M10RT-B54HBW

465 Wp TOPCon Bifacial 80%
ComparePV verdict

Efficiency leader, no clear weak spot

Rank 4,775 of 14,005
Compare panels Datasheet PDF
Power (Wp)
465
Typical for its class
Efficiency (%)
23.30
Strong · top 9%
Density (Wp/m²)
232.7
Strong · top 10%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
24.5
Typical · median 24.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

High efficiency on limited roof space, with no compromises on durability. These are glass-glass modules, which better protect the cells from moisture, micro-cracks, and mechanical stress, translating to more stable performance for years. The use of N-type TOPCon cells helps reduce degradation over time and improves performance at high temperatures, making energy production more predictable during summer conditions.

The bifacial design allows for additional use of reflected light from light surfaces (e.g., metal roofing, concrete, gravel), which is significant for flat roofs, carports, or ground-mounted structures. The HBW variant with the white rear layer enhances aesthetics and may improve performance under diffuse light. This is an excellent choice for clients seeking long warranties and low degradation, while also expecting a refined appearance and high resistance to external conditions.

Ranking

1,089 panels in the segment TOPCon 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.30% 22.52% Strong · top 9% 1,017
Power density 232.7 225.2 Strong · top 10% 1,115
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 52.7 52.2 Typical 6,318
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

7 positive · 1 caution
Best for

Residential, commercial and hot-climate.

Strengths
23.30% module efficiency

Top 9% of the TOPCon 450-500 W segment, against a median of 22.52%. Ranked 1,017th in the whole database.

232.7 watts per square metre

Top 10% of the TOPCon 450-500 W segment, against a median of 225.2.

What owners get
Efficiency up to 23.3% – outperforms peer comparables

The top variant in the series achieves 23.3%, while the DAH DHN-54R18/DG(BW) tops out at 22.78% and the JS Solar/Jinko JS182MHC120 at 21.48%. The 1.82 percentage-point advantage over the JS182MHC120 translates into meaningfully higher energy yield from the same roof area, eliminating the need to add extra modules.

N-type TOPCon degradation ≤0.4%/year

The N-type TOPCon cells of the B54HBW series exhibit first-year degradation below 1% and ≤0.4%/year in subsequent years, guaranteeing ≥87.4% power retention after 30 years. Legacy P-type PERC modules typically degrade at 0.55–0.70%/year, resulting in a several-percentage-point gap in cumulative energy yield over a 30-year project life.

30-year linear power warranty

DMEGC offers a 25-year product warranty and a full 30-year linear power output warranty. By comparison, the JS Solar JS182MHC120 carries a standard 25-year power warranty. The extended DMEGC horizon directly reduces financial risk in LCOE models for both commercial and residential prosumer installations.

Glass-glass bifacial construction with HBW layer

The dual-glass design eliminates backsheet delamination risk and improves resistance to moisture ingress and mechanical loads (snow, wind). The bifacial orientation enables an additional 10–20% energy gain from albedo reflection off sheet metal, concrete, or gravel surfaces on flat roofs, carports, and ground-mount systems. The HBW (white back layer) variant enhances performance under diffuse light conditions.

BNEF Tier-1 rated, manufacturer since 1980

DMEGC Solar maintained its BloombergNEF Tier-1 status in Q3 2025, enabling non-recourse debt financing for projects. The company has operated continuously since 1980 and manufactures approximately 21 GW per year, confirming long-term operational stability and the capacity to honor warranty obligations over the full module lifetime.

Trade-offs
Higher module weight with glass-glass construction (24.5 kg)

The module weighs 24.5 kg per the manufacturer's datasheet. Equivalent glass-backsheet modules of the same form factor (108-cell M10R) typically weigh around 21–22 kg. The ~2.5–3 kg difference may be a limiting factor on older roofs with reduced load-bearing capacity or on installations where difficult site access requires modules to be lifted manually.

Notes from the database
  • Efficiency of 23.3% is 0.8pp above the TOPCon 450-500W median (22.5%)
  • 232.7 W/m² power density - 7.5 W/m² more than TOPCon 450-500W median (225.2 W/m²), more power per roof area
  • Temperature coefficient of -0.29%/°C matches the TOPCon 450-500W median
  • 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces
  • Ranked #1017 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 465 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.30 % Strong Segment median 22.52%
Vmpp · Impp 34.51 V · 13.48 A Operating point at max power
Voc · Isc 40.85 V · 14.38 A Sizes the string length
Dimensions 1762×1134×30 mm · 2.00 m² of roof
Weight 24.5 kg Typical Typical · median 24.0 kg
Cells 108 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
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 25 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 406 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 465 Wp appear here. The rest cover the whole series.

Power Warranty Power Warranty Whole series Current-Voltage Curve (465W) Current-Voltage Curve (465W) 465 W

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
-
With bifacial gain
-

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
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
DMEGC DM465M10RT-B54HBW 465 W 23.30% -0.290 24.5 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +45 W, cooler, +1.7 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +30 W, lighter, +1.5 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +40 W, cooler, +1.4 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, lighter, +1.2 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +35 W, cooler, +1.2 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +35 W, lighter, +1.2 pp
DM435M10RT-B54HBB-L 435 W 21.80% -0.290 20.4 kg -30 W, lighter, -1.5 pp
DM440M10RT-54HSW/HBW 440 W 22.00% -0.290 20.6 kg -25 W, lighter, -1.3 pp
DM445M10RT-54HSW/HBW 445 W 22.30% -0.290 20.6 kg -20 W, lighter, -1.0 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 does the DMEGC INFINITY RT series carry and what does it cover exactly?
The DMEGC INFINITY RT series comes with a 25-year product warranty covering material defects and workmanship, along with a 30-year linear power output warranty. The manufacturer guarantees degradation of no more than 1% in the first year and no more than 0.4% per year in subsequent years. This is one of the strongest degradation profiles in the industry and means that after 30 years the module should retain more than 87% of its original rated power.
What does it mean that the DMEGC INFINITY RT panel is bifacial, and is it worth it on a pitched roof?
Bifacial design means the panel generates power from both the front glass and the rear glass by capturing light reflected from the surface below. On a pitched roof with dark roof tiles the gain is modest, since the albedo is low. Bifaciality delivers the greatest benefit on flat roofs, carports, pergolas, or ground-mounted systems installed over high-reflectivity surfaces such as concrete, gravel, or white metal sheeting, where real-world bifacial energy gains can reach anywhere from a few to over ten percent.
Why does the INFINITY RT series use dual glass instead of a standard backsheet, and what does that mean in practice?
A glass-glass construction replaces the conventional polymer backsheet with a second tempered glass pane. This configuration provides superior protection against moisture ingress through the rear of the module, reduces the risk of microcracks under mechanical loading, and offers better resistance to UV radiation. In practice, this translates into lower long-term degradation and an extended service life for the module — a particularly important attribute when backed by a 30-year power output warranty.
How do DMEGC INFINITY RT panels perform at high temperatures during summer?
The N-type TOPCon technology used in the INFINITY RT series delivers a better power temperature coefficient than older PERC cells. This means the module loses less power on hot summer days compared to a conventional panel. In practice, the installation will be more predictable and efficient during heat waves, when rooftops can reach temperatures above 60–70 °C. This is a meaningful advantage when calculating real-world annual energy yields.
How many DMEGC INFINITY RT panels do I need for a 10 kW system?
At a peak rated power of 465 Wp per module, you need 22 panels to reach a 10 kW system (22 × 465 W = 10,230 W). It is worth discussing available roof area with your installer, as each module measures approximately 1,762 × 1,134 mm and weighs around 23–24 kg in the glass-glass configuration — factors that matter for layout planning and structural load calculations.
Is DMEGC a reliable solar panel manufacturer?
DMEGC Solar (Hengdian Group DMEGC Magnetics) is classified as a Tier 1 manufacturer by independent industry rating agencies, confirming bankability and a stable market position. The company has been active in the photovoltaic industry for many years, operates its own cell and module production lines in China, and is actively expanding its N-type TOPCon segment. For customers, this means the warranty is backed by a financially sound entity, providing meaningful assurance over the full warranty term.
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