--- title: "DMEGC DM450M10RT-54HSW-V 450W Solar Panel - Specs & Review | ComparePV" description: "DMEGC DM450M10RT-54HSW-V 450W solar panel. Specs: 22.50% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/dmegc-solar-hengdian-group-dmegc-magnetics-co-ltd-dm450m10rt-54hsw-v" updated: 2026-09-11 --- # DMEGC DM450M10RT-54HSW-V Light for its output, no clear weak spot 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** DMEGC - **Model:** DM450M10RT-54HSW-V - **Series:** INFINITY RT / DMxxxM10RT-54HSW - **Rated power:** 450 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 450-500 W (1089 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 450 W | 465 W | Weak - bottom 9% | | | 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 (kg) | 20.6 kg | 24.0 kg | Strong - top 12% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | 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 | ### Strengths - **45.8 kg per kWp** - Top 12% of the TOPCon 450-500 W segment, against a median of 52.2. - **Best for:** Residential and commercial. ## Specification ### Electrical - **Rated power (Pmax):** 450 W - **Efficiency:** 22.50 % - **Voltage at Pmax (Vmp):** 33.91 V - **Current at Pmax (Imp):** 13.27 A - **Open-circuit voltage (Voc):** 40.25 V - **Short-circuit current (Isc):** 14.17 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.290 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.048 %/degC - **NOCT:** 42 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 20.6 kg - **Area:** 2.00 m2 - **Power density:** 225.2 Wp/m2 ### Warranty and degradation - **Product warranty:** 20 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 393 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 4222 of 14005 | | Power density | 4225 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 883 of 14005 | | Warranty | 21 of 14005 | ## Pros - **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. ## Cons - **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. ## About this series 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. ## Notable figures - 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 ## Questions ### 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. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/67650d417d149-e735d87646c1.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +45 W, cooler, +2.3 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +40 W, cooler, +2.0 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +50 W, cooler, +2.0 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +50 W, cooler, +2.0 pp | | [Gokin GK-3-54HGb-500M](https://comparepv.com/panel/gokin-gk-3-54hgb-500m) | 500 W | +50 W, cooler, +2.0 pp | | [GCL GCL-NR10R/54BGDF](https://comparepv.com/panel/gcl-gcl-nr10r-54bgdf) | 500 W | +50 W, heavier, +2.0 pp | | [DMEGC DM435M10RT-B54HBB-L](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm435m10rt-b54hbb-l) | 435 W | -15 W, -0.7 pp | | [DMEGC DM440M10RT-54HSW/HBW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm440m10rt-54hsw-hbw) | 440 W | -10 W, -0.5 pp | | [DMEGC DM445M10RT-54HSW/HBW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm445m10rt-54hsw-hbw) | 445 W | Very close match | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +60 W, cooler, +2.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +55 W, cooler, +2.2 pp | --- Source: https://comparepv.com/panel/dmegc-solar-hengdian-group-dmegc-magnetics-co-ltd-dm450m10rt-54hsw-v Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.