--- title: "Luxor Solar LX-400M/182-108+ 400W Solar Panel - Specs & Review | ComparePV" description: "Luxor Solar LX-400M/182-108+ 400W solar panel. Specs: 20.79% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/luxor-solar-lx-400m-182-108" updated: 2026-09-11 --- # Luxor Solar LX-400M/182-108+ Middle of its segment, weak in heat 6,519 panels in the 300-500 W band, all technologies ## Identity - **Manufacturer:** Luxor Solar - **Model:** LX-400M/182-108+ - **Series:** ECO LINE HALF CELL M108 - **Rated power:** 400 W - **Cell technology:** Monocrystalline ## How it compares Compared against 300-500 W band, all technologies (6519 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 400 W | 435 W | Weak - bottom 24% | | | Module efficiency | 20.79% | 21.30% | Typical | 10,558 | | Power density | 204.8 | 212.6 | Typical | 11,370 | | Temperature coefficient | -0.360 | -0.300 | Weak - bottom 11% | 12,345 | | Weight (kg) | 21.5 kg | 22.5 kg | Typical | | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 19% | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 20.79% | 21.30% | Typical | 10,558 | | Power density | 204.8 | 212.6 | Typical | 11,370 | | Temperature coefficient | -0.360 | -0.300 | Weak - bottom 11% | 12,345 | | Weight per kWp | 53.8 | 53.2 | Typical | 7,774 | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 19% | 9,798 | ### Watch out for - **-0.360 %/°C temperature coefficient** - Bottom 11% of the 300-500 W band, against a median of -0.300. - **25 year performance warranty** - Bottom 19% of the 300-500 W band, against a median of 30 yrs. - **Best for:** Residential, commercial, shaded-installations and hot-climate. - **Not ideal for:** Hot climates and owners who want a long output guarantee. ## Specification ### Electrical - **Rated power (Pmax):** 400 W - **Efficiency:** 20.79 % - **Voltage at Pmax (Vmp):** 31.14 V - **Current at Pmax (Imp):** 12.85 A - **Open-circuit voltage (Voc):** 37.08 V - **Short-circuit current (Isc):** 13.57 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.360 %/degC - **Temperature coefficient of Voc:** -0.285 %/degC - **Temperature coefficient of Isc:** 0.049 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell count:** 108 ### Physical - **Length:** 1722 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 21.5 kg - **Area:** 1.95 m2 - **Power density:** 204.8 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 85.5 % - **First-year degradation:** 2.50 % - **Annual degradation:** 0.50 % - **Output after 30 years:** 332 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 10558 of 14005 | | Power density | 11370 of 14005 | | Temperature coefficient | 12345 of 14005 | | Weight | 7774 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Up to 21.82% efficiency - segment leader** - The series' peak efficiency (21.82%) outperforms direct competitors in the M10/108-cell segment: GCL-M10/54H (21.5%), RedSolar P series Ultralight (21.52%), and Jinko JS-PERC (21.7%), despite comparable peak power of ~420 Wp. - **N-type TOPCon technology with half-cut cells** - The combination of N-type TOPCon with half-cut cell architecture (108 cells) reduces resistive losses and lowers hot-spot risk, delivering better performance under partial shading than older PERC-based modules. - **German manufacturer with 19 years of experience** - Luxor Solar is headquartered in Germany and has operated since 2007, implying established German quality-control procedures - a relevant factor for technical risk assessment, even though the manufacturer is not on the BNEF Tier 1 list. - **Compact and lightweight 108-cell design** - The 108-cell format (smaller than standard 120/132-cell modules) provides lower module weight and easier installation, which matters for rooftop projects with limited structural load capacity. ## Cons - **Series discontinued (2023)** - The ECO LINE HALF CELL M108 series was manufactured from 2021 to 2023 and is no longer offered by the manufacturer. This means limited availability of replacement units for warranty claims and potential servicing difficulties for existing installations in the future. - **15-year product warranty below segment standard** - The product warranty is 15 years, while newer competing TOPCon series (e.g., Jinko Tiger Neo, Trina Vertex) now standardly offer 25-year product warranties with 30-year linear power warranties - a meaningful gap for 25-30 year financing plans. - **No BNEF Tier 1 status** - Luxor Solar is not listed among BNEF Tier 1 bankable manufacturers, which can complicate bank financing for larger commercial projects, unlike some peers in the M10 segment. ## About this series Luxor Solar ECO LINE HALF CELL M108 modules bring a new level of quality to rooftop installations, combining compact size with extraordinary energy efficiency. Thanks to the use of **Half-Cell technology**, these panels drastically reduce power losses resulting from internal resistance and the negative impact of shading. The 108-cell design makes the modules lighter and more manageable, making them an ideal choice for demanding residential and commercial projects. The use of **modern M108 architecture** allows for precise voltage matching with the latest inverters, maximizing the efficiency of the entire system. A key distinguishing feature of the series is its **excellent mechanical stability**, which protects components from micro-cracks and extreme weather conditions. By choosing this solution, investors gain the assurance of German quality control, which eliminates the risk of hot spots thanks to intelligent current flow distribution. This product is created for those who prioritize **maximum power density from the roof surface** and long-term reliability. Compared to the competition, this series offers a **more favorable temperature coefficient**, which guarantees high yields even in full sun. It is a smart investment in technology that effectively shortens the payback period of a photovoltaic installation. ## Notable figures - At 20.8% efficiency, this panel is 1.0pp below the \*\*database\*\* median of 21.8% - At 204.8 W/m², this panel generates 13.3 W/m² less per unit area than \*\*database\*\* median (218.1 W/m²) - -0.36%/°C temperature coefficient - 0.06pp worse than \*\*database\*\* median (-0.30%/°C), expect higher hot weather losses - Weight of 21.5 kg (5.0 kg below \*\*database\*\* median of 26.5 kg) allows easier transport and roof mounting - In the top 75% for efficiency among all N-type panels ## Questions ### Is the Luxor Solar ECO LINE HALF CELL M108 series still available for purchase? The ECO LINE HALF CELL M108 series has been discontinued and is no longer part of Luxor Solar's active product lineup. The manufacturer has replaced it with newer N-Type TOPCon and HJT variants within the ECO LINE family. If you are interested in this series, check with distributors for remaining stock or consider current-generation ECO LINE modules as a direct alternative. ### What warranties are included with the Luxor Solar ECO LINE HALF CELL M108 panels? The ECO LINE HALF CELL M108 modules carry a 15-year product warranty covering material and workmanship defects, plus a 25-year linear power output warranty. Luxor Solar guarantees at least 85% of rated power after 25 years of operation — a strong long-term commitment backed by a German-headquartered manufacturer with strict quality control standards. ### What power output and module efficiency does the ECO LINE HALF CELL M108 series deliver? The top variant reaches 420 Wp with a module efficiency of approximately 21.2–21.4%. The panel uses 108 half-cut cells in the 182 mm format, measuring 1724 × 1134 mm and weighing approximately 21.5 kg. This results in excellent power density per square meter of roof area, which is especially relevant for installations with limited mounting space. ### What advantages does TOPCon cell technology bring to the ECO LINE HALF CELL M108 series, and is it worth the investment? TOPCon (Tunnel Oxide Passivated Contact) improves energy conversion efficiency through enhanced surface passivation, which reduces charge carrier recombination. Compared to PERC cells, this delivers higher annual energy yields at identical irradiance levels. The advantage is most pronounced under low-light conditions — early morning, late afternoon, and overcast days — which are common in Central European climates. ### Do the ECO LINE HALF CELL M108 panels suffer significant power loss during hot summer days? The temperature coefficient of Pmax is -0.36%/°C, meaning the panel loses approximately 0.36% of its rated output per degree Celsius above 25°C. This is noticeably better than typical PERC modules rated at -0.39 to -0.45%/°C. In practice, this translates into measurably higher summer energy yields even on the hottest days, helping to shorten the overall payback period of the PV system. ### Are the ECO LINE HALF CELL M108 panels suitable for pitched roofs with partial shading? Yes. The half-cut cell architecture splits each cell into two halves, reducing operating current and limiting power losses from partial shading caused by chimneys, dormers, antennas, or bird droppings — only the shaded half-cell loses output, not the entire string. The compact footprint and weight of approximately 21.5 kg also make handling and installation on standard racking systems straightforward. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/lx-el-hc-bw-m108-400-420w-182-en-ef0edf91d0b8.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Luxor Solar LX-440M/182-108+GG](https://comparepv.com/panel/luxor-solar-lx-440m-182-108-gg) | 440 W | Cooler, +2.3 pp, +5 yr warranty | | [Just Solar JST-EDMH-(445-465)W-TD (450W class)](https://comparepv.com/panel/just-solar-jst-edmh-445-465-w-td-450w-class) | 450 W | +50 W, cooler, +2.3 pp | | [Q-SUN Solar QNN182-HG450-54](https://comparepv.com/panel/qn-solar-pv-limited-qnn182-hg450-54) | 450 W | +50 W, cooler, +2.2 pp | | [Huayao HY440-N108BDD](https://comparepv.com/panel/huayao-hy440-n108bdd) | 450 W | +50 W, cooler, +2.2 pp | | [BYD NLBK-27-450](https://comparepv.com/panel/byd-nlbk-27-450) | 450 W | +50 W, cooler, +2.2 pp | | [Renesola RS41-450NBG-E3](https://comparepv.com/panel/renesola-rs41-450nbg-e3) | 450 W | +50 W, cooler, +2.2 pp | | [Luxor Solar LX-395M/182-108+](https://comparepv.com/panel/luxor-solar-lx-395m-182-108) | 395 W | -0.2 pp | | [Luxor Solar LX-405M/182-108+](https://comparepv.com/panel/luxor-solar-lx-405m-182-108) | 405 W | +0.3 pp | | [Luxor Solar LX-410M/182-108+](https://comparepv.com/panel/luxor-solar-lx-410m-182-108) | 410 W | +10 W, +0.5 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +110 W, cooler, +4.2 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +95 W, cooler, +4.0 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +105 W, cooler, +3.9 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +90 W, cooler, +3.7 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +100 W, cooler, +3.7 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +100 W, cooler, +3.7 pp | --- Source: https://comparepv.com/panel/luxor-solar-lx-400m-182-108 Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.