--- title: "DMEGC DM465M10RT-B54HSW 465W Solar Panel - Specs & Review | ComparePV" description: "DMEGC DM465M10RT-B54HSW 465W solar panel. Specs: 23.30% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/dmegc-solar-hengdian-group-dmegc-magnetics-co-ltd-dm465m10rt-b54hsw" updated: 2026-09-11 --- # DMEGC DM465M10RT-B54HSW Efficiency leader, no clear weak spot 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** DMEGC - **Model:** DM465M10RT-B54HSW - **Series:** INFINITY RT (DMxxxM10RT-B54HSW) - **Rated power:** 465 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 450-500 W (1089 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 465 W | 465 W | Typical | | | 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 (kg) | 24.5 kg | 24.0 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | 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 | ### 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. - **Best for:** Residential, commercial and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 465 W - **Efficiency:** 23.30 % - **Voltage at Pmax (Vmp):** 34.51 V - **Current at Pmax (Imp):** 13.48 A - **Open-circuit voltage (Voc):** 40.85 V - **Short-circuit current (Isc):** 14.38 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 - **Bifacial:** yes ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 24.5 kg - **Area:** 2.00 m2 - **Power density:** 232.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 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:** 406 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 1017 of 14005 | | Power density | 1115 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 6318 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Segment-leading efficiency (up to 23.3%)** - The peak efficiency of 23.3% clearly outperforms the primary peer comparables: the DAH DHN-54R18 tops out at 22.78%, while the JS Solar/Jinko JS182MHC120 reaches only 21.48%. Even the lower bound of the series (22.3%) sits above the median of the benchmarked peer group, directly translating into higher power output from the same roof area. - **Low annual degradation – 0.4%/year** - N-type TOPCon technology eliminates the Light Induced Degradation (LID) effect characteristic of P-type PERC cells. The manufacturer guarantees degradation of ≤0.4%/year from year 2 onward, versus the industry average estimated at ~0.55–0.7%/year for PERC modules. Over a 25-year horizon, this translates into a measurably higher cumulative energy yield. - **30-year linear power warranty (≥87.4% Pmax)** - The power warranty spans 30 years with a guaranteed minimum of 87.4% of rated Pmax, placing it among the longest commitments in the residential/C&I segment. The peer comparable DAH DHN-54R18 offers a matching 87.4% floor at year 30, whereas the JS Solar/Jinko module in the comparison is limited to 25 years — making DMEGC the more favorable choice for projects with long financing horizons. - **Bankability: Tier-1 BNEF (maintained through Q3 2025)** - DMEGC Solar holds Tier-1 status in the BloombergNEF ranking at least through Q3 2025, confirming eligibility for non-recourse project debt financing. The company has been operating since 1980 with a manufacturing capacity of 21 GW (2025), which reduces the risk of warranty service discontinuity over a 25–30-year operational lifetime. - **Dual-glass construction with 80% ±5% bifaciality** - The glass-glass laminate (2× 1.6 mm) eliminates backsheet aging and improves resistance to mechanical loads (5,400 Pa snow / 2,400 Pa wind per datasheet). A bifaciality factor of 80% ±5% enables an additional 5–15% energy gain from ground-reflected irradiance in ground-mount installations and on light-colored rooftops. ## Cons - **Higher module weight due to dual-glass construction** - The glass-glass construction results in a module weight of approximately 24–26 kg (versus ~20–22 kg for comparable single-glass modules). On large rooftop installations, this may increase labor costs and require a structural load-bearing assessment of the roof surface — a significant logistical consideration, particularly in single-family residential construction. - **Fire Class C — not Class A** - The datasheet and product documentation specify Fire Class C per IEC 61730. Certain commercial projects or installations on rooftops near property boundaries may be subject to local requirements mandating Class A, which could disqualify this module from a subset of B2B tenders without additional compliance analysis. ## About this series The DMEGC INFINITY RT (DMxxxM10RT-B54HSW) series are modules designed for maximum energy production from the same rooftop area, without compromises on durability. The use of **N-type TOPCon cells** helps maintain high efficiency over time and minimizes typical losses due to module aging, which has a significant impact on the profitability of installations over many years. The **108 half-cut** construction supports stable performance under partial shading and reduces the risk of hotspots, while the **double-glass structure** enhances resistance to atmospheric conditions and mechanical stress. In practice, this means fewer unexpected drops in yield and greater predictability in energy production. An additional advantage is **enhanced PID resistance**, which is particularly important for demanding rooftop and commercial installations. This is the series for residential and C&I applications, where high power density, reliability, and consistent performance under less-than-ideal lighting conditions are key. ## Notable figures - At 23.3% efficiency, this panel is 0.8pp above typical \*\*TOPCon 450-500W\*\* modules (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 - At -0.29%/°C, hot weather performance is typical for \*\*TOPCon 450-500W\*\* panels - 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces - #1017 for efficiency, #2165 for temperature performance out of 14005 panels ## Questions ### What warranty coverage applies to the DMEGC INFINITY RT panels (DMxxxM10RT-B54HSW)? The DMEGC INFINITY RT series comes with a 25-year product warranty covering material and workmanship defects, along with a 30-year linear power output warranty. The manufacturer guarantees a maximum degradation of 1% in the first year, followed by no more than 0.4% per year thereafter, ensuring at least 87.4% of nominal power output after 30 years of operation. This represents one of the longest power warranties available in this module class on the market. ### What does TOPCon technology mean in the DMEGC INFINITY RT panels, and is the premium worth it? TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell technology that minimizes charge carrier recombination losses at the cell contacts. In practical terms, this translates to higher module efficiency—up to 23.3% for the DMxxxM10RT-B54HSW series—and a lower annual degradation rate (max. 0.4%) compared to the older PERC technology. For a system designed to operate over 20 to 30 years, the difference in cumulative energy yield is both real and measurable, making the investment cost-effective over the system lifetime. ### Are the DMEGC INFINITY RT panels bifacial, and does that matter for a rooftop installation? Yes, the DMxxxM10RT-B54HSW series features bifacial, dual-glass construction, allowing the modules to harvest irradiance from the rear side as well. In a typical pitched-roof installation with a dark roofing membrane, the rear-side gain is relatively modest. Bifaciality delivers more pronounced benefits in ground-mounted systems, particularly over high-albedo surfaces such as light gravel or snow. Independently of the bifacial advantage, the dual-glass design enhances mechanical durability and long-term moisture resistance. ### Are the DMEGC INFINITY RT panels suitable for a residential pitched-roof installation? Yes, the INFINITY RT series (DMxxxM10RT-B54HSW) is designed for both residential and commercial applications. The 108 half-cut cell configuration improves performance under partial shading conditions commonly caused by chimneys or dormers. With power output up to 465 W per module, the required system capacity can be achieved with fewer modules, which is particularly advantageous when available roof area is limited. ### Are the DMEGC INFINITY RT panels resistant to harsh weather conditions and corrosion? The DMxxxM10RT-B54HSW series features enhanced PID (Potential Induced Degradation) resistance and is certified to IEC 61701 (salt mist corrosion) and IEC 62716 (ammonia resistance), confirming its suitability for demanding environments such as coastal and agricultural sites. The operating temperature range spans from -40°C to +85°C, and the dual-glass construction provides high resistance to snow and wind loads. ### Is DMEGC a Tier 1 manufacturer, and can they be trusted for a panel purchase? DMEGC (Hengdian Group DMEGC Magnetics) appears on Tier 1 manufacturer lists published by independent financial agencies, indicating sufficient bankability and production capacity to qualify for PV project financing. The company operates its own manufacturing facilities in China and has a long-standing track record of supplying modules to the European market. For residential or C&I installations, this provides additional confidence in the manufacturer's ability to honor its warranty obligations over the long term. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/67650a7db8586-5add2fa03e36.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +45 W, cooler, +1.7 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +30 W, lighter, +1.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +40 W, cooler, +1.4 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, lighter, +1.2 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +35 W, cooler, +1.2 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +35 W, lighter, +1.2 pp | | [DMEGC DM435M10RT-B54HBB-L](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm435m10rt-b54hbb-l) | 435 W | -30 W, lighter, -1.5 pp | | [DMEGC DM440M10RT-54HSW/HBW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm440m10rt-54hsw-hbw) | 440 W | -25 W, lighter, -1.3 pp | | [DMEGC DM445M10RT-54HSW/HBW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm445m10rt-54hsw-hbw) | 445 W | -20 W, lighter, -1.0 pp | --- Source: https://comparepv.com/panel/dmegc-solar-hengdian-group-dmegc-magnetics-co-ltd-dm465m10rt-b54hsw Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.