--- title: "DMEGC DM445M10RT-54HSW/HBW 445W Solar Panel - Specs & Review | ComparePV" description: "DMEGC DM445M10RT-54HSW/HBW 445W solar panel. Specs: 22.30% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm445m10rt-54hsw-hbw" updated: 2026-09-11 --- # DMEGC DM445M10RT-54HSW/HBW Light for its output, no clear weak spot 1,218 panels in the segment TOPCon 400-450 W ## Identity - **Manufacturer:** DMEGC - **Model:** DM445M10RT-54HSW/HBW - **Series:** DMxxxM10RT-54HSW/HBW - **Rated power:** 445 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 400-450 W (1218 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 445 W | 435 W | Strong - top 8% | | | Module efficiency | 22.30% | 22.00% | Strong - top 17% | 5,100 | | Power density | 222.7 | 220.2 | Typical | 5,302 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 20.6 kg | 22.0 kg | Strong - top 7% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.30% | 22.00% | Strong - top 17% | 5,100 | | Power density | 222.7 | 220.2 | Typical | 5,302 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 46.3 | 51.4 | Strong - top 7% | 1,101 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **46.3 kg per kWp** - Top 7% of the TOPCon 400-450 W segment, against a median of 51.4. Ranked 1,101st in the whole database. - **22.30% module efficiency** - Top 17% of the TOPCon 400-450 W segment, against a median of 22.00%. - **Best for:** Residential, commercial and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 445 W - **Efficiency:** 22.30 % - **Voltage at Pmax (Vmp):** 33.04 V - **Current at Pmax (Imp):** 13.47 A - **Open-circuit voltage (Voc):** 39.60 V - **Short-circuit current (Isc):** 13.97 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:** 222.7 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:** 389 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 5100 of 14005 | | Power density | 5302 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 1101 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Superior Temperature Coefficient for TOPCon Technology** - The N-type TOPCon cells in the RT series achieve a Pmax temperature coefficient of -0.29%/°C, compared to -0.34 to -0.36%/°C for standard PERC modules. In climates where modules routinely operate at 50–70°C for extended periods, this translates to a measurably higher annual energy yield of 2–4% relative to P-type technology. - **Up to 22.8% Efficiency — Top of its Class** - A peak module efficiency of 22.8% places this series on par with the best competing products in the segment (Sunlike SKT455 – 22.8%, IBC Module 445-455 LS-TA2 – 22.8%), and well above the Waaree ARKA Series (20.93%). The higher power density allows the same system output to be achieved on a smaller roof area. - **30-Year Power Warranty with 87.4% Retention** - The manufacturer guarantees ≥87.4% of nominal power output after 30 years of operation, exceeding the common industry benchmark of ~84.8% at 25 years. The characteristically low LID/LeTID degradation rates of N-type TOPCon technology further reinforce this warranty under real-world conditions. - **SMBB + Half-Cut Cells: Enhanced Shade Tolerance** - The combination of Smart Multi Busbar (SMBB) technology and half-cut cell architecture (108 cells) shortens the electron path and reduces resistive losses. The result is improved module performance under partial shading conditions (e.g., chimneys, antennas) and lower heat dissipation at interconnects — both critical advantages for rooftop installations in dense residential environments. - **BNEF Tier 1 Status — Bankability Assured** - DMEGC Solar maintains Tier 1 status according to BloombergNEF (confirmed Q3 2025), ensuring full bankability — systems built with these modules qualify for non-recourse project financing. With continuous operations since 1980 and a manufacturing capacity of 21 GW, the company presents a low risk of warranty support discontinuity. ## Cons - **No Bifacial Option in the HSW/HBW Series** - The DMxxxM10RT-54HSW/HBW series is strictly monofacial (is\_bifacial: false). Installations over high-albedo surfaces — such as white TPO membranes, gravel ballast, or snow — forgo the 5–15% bifacial gain from reflected irradiance that competing TOPCon bifacial modules in the same power class can capture (e.g., DMEGC B54HSW or the IBC LS-TA2 with a transparent backsheet). - **20-Year Product Warranty vs. 25-Year Industry Standard** - The product warranty term is 20 years, while leading Tier 1 manufacturers in an equivalent power and technology class — including Jinko Solar Tiger Neo and JA Solar DeepBlue 4.0 — offer 25-year coverage. For institutional investors or projects with a financing horizon exceeding 20 years, this gap may warrant a formal risk assessment. ## About this series The DMEGC DMxXXM10RT-54HSW/HBW series is designed for modern rooftop installations, focusing on high energy production from limited roof space and reliable performance under varying weather conditions. These modules utilize N-type TOPCon cells and half-cut technology, which translates to better performance in partial shading and reduced losses during daily operation. The application of SMBB and high cell density improves current collection from the entire module surface and supports stable performance over a long operational lifespan. The HSW/HBW variants facilitate module adaptation to different project requirements - from traditional setups to investments where aesthetics and visual consistency are crucial. This makes them an excellent choice for homes, businesses, and small industrial installations prioritizing high efficiency in low-light conditions and cost-effective system design through higher power density. These modules also stand out due to their mounting compatibility and focus on lower LCOE, distinguishing them from many standard panels in this market segment. ## Notable figures - At 22.3% efficiency, this panel is on par with typical \*\*TOPCon 400-450W\*\* modules - At 222.7 W/m² power density, roof space requirements are typical for \*\*TOPCon 400-450W\*\* panels - Temperature coefficient of -0.29%/°C matches the \*\*TOPCon 400-450W\*\* median - At 20.6 kg, this panel is 1.4 kg lighter than \*\*TOPCon 400-450W\*\* median (22.0 kg) - easier handling during installation - #5100 for efficiency, #2165 for temperature performance out of 14005 panels ## Questions ### What warranty is offered on DMEGC DMxxxM10RT-54HSW/HBW series panels? The manufacturer provides a 20-year product warranty covering material and manufacturing defects, along with a 30-year linear power output warranty. This means the panel is guaranteed to retain a specified percentage of its rated power output over three decades. This represents one of the longer warranty standards available in this price segment of the market. ### What is the difference between the HSW and HBW variants of the DMxxxM10RT-54 series? The difference is purely aesthetic and installation-related. The HSW variant features a silver aluminum frame and a white backsheet, while the HBW is an all-black version with a black frame and black backsheet. The electrical parameters and maximum power output of 455 Wp are identical across both variants. The HBW version is primarily chosen for visible roof surfaces where a uniform, dark aesthetic is important. ### Do DMEGC DMxxxM10RT-54HSW/HBW panels perform well in overcast conditions or low irradiance? Yes. N-type TOPCon cell technology exhibits a lower temperature coefficient and superior spectral response compared to standard PERC cells, resulting in significantly higher energy yield under low-light conditions, at dawn, at dusk, and on cloudy days. The half-cut cell design further reduces losses when part of the panel is subject to partial shading. ### How much does the DMEGC DMxxxM10RT-54HSW/HBW panel weigh, and is it suitable for a typical pitched roof? The panel weighs approximately 20.6 kg with dimensions of 1762 × 1134 × 30 mm. This is a standard weight for 108-cell modules and is handled without issue by typical racking systems designed for pitched roofs. The panel withstands snow loads of up to 5400 Pa and wind loads of up to 2400 Pa, meeting European standard requirements for the majority of installation sites in Poland. ### Is DMEGC a reliable solar panel manufacturer? DMEGC Solar is classified as a Tier 1 manufacturer according to the BloombergNEF ranking, indicating documented financial stability, in-house production lines, and a track record of bankability for project financing. The company is headquartered in China and has been active in the photovoltaic market for many years. It is important to note that Tier 1 status is not a quality certification, but rather an indicator of a manufacturer's financial credibility and market standing. ### Is the DMEGC DMxxxM10RT-54HSW/HBW 455 Wp panel compatible with standard inverters and mounting systems? Yes. The module is rated for systems up to 1500 V DC and is equipped with MC4 connectors, which are supported by virtually all major inverter manufacturers. The 1762 × 1134 mm dimensions correspond to the M10R format used by many manufacturers, meaning standard mounting rails and clamps designed for 455–460 Wp modules are fully compatible. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ae02786-dmegc-dmxxxm10rt-54hsw-hbw-alius-f6b85c9e0442.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +50 W, cooler, +2.5 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +45 W, cooler, +2.2 pp | | [Suntech STP-NT11/48QGSF-490](https://comparepv.com/panel/suntech-stp-nt11-48qgsf-490) | 490 W | +45 W, cooler, +2.2 pp | | [JA Solar JAT54S40-485/LR](https://comparepv.com/panel/ja-solar-jat54s40-485-lr) | 485 W | +40 W, cooler, +2.0 pp | | [AIKO AIKO-A485-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a485-mce54mw) | 485 W | +40 W, cooler, +2.0 pp | | [Longi Solar LR7-54HJD-495M](https://comparepv.com/panel/longi-lr7-54hjd-495m) | 495 W | +50 W, cooler, +2.0 pp | | [AIKO AIKO-A485-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a485-mah54mw) | 485 W | +40 W, cooler, +2.0 pp | | [DMEGC DM435M10RT-B54HBB-L](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm435m10rt-b54hbb-l) | 435 W | -10 W, -0.5 pp | | [DMEGC DM440M10RT-54HSW/HBW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm440m10rt-54hsw-hbw) | 440 W | -0.3 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +65 W, cooler, +2.7 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +60 W, cooler, +2.4 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +55 W, cooler, +2.2 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +55 W, cooler, +2.2 pp | --- Source: https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm445m10rt-54hsw-hbw Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.