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Luxor Solar Brand review

LX-400M/182-108+

400 Wp Monocrystalline
ComparePV verdict

Middle of its segment, weak in heat

Rank 11,664 of 14,005
Compare panels Datasheet PDF
Power (Wp)
400
Weak · bottom 24%
Efficiency (%)
20.79
Typical · median 21.30%
Density (Wp/m²)
204.8
Typical · median 212.6
Temp (%/°C)
-0.360
Weak · bottom 11%
Weight (kg)
21.5
Typical · median 22.5 kg
Warranty (yrs)
25
Weak · bottom 19%

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.

Ranking

6,519 panels in the 300-500 W band, all technologies
Metric This panel Median Position in segment Overall 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
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

4 positive · 5 caution
Best for

Residential, commercial, shaded-installations and hot-climate.

Not ideal for

Hot climates and owners who want a long output guarantee.

Watch-outs
-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.

What owners get
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.

Trade-offs
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.

Notes from the database
  • 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

Specifications

Open datasheet PDF
Nominal power (Pmax) 400 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.79 % Typical Segment median 21.30%
Vmpp · Impp 31.14 V · 12.85 A Operating point at max power
Voc · Isc 37.08 V · 13.57 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1722×1134×30 mm · 1.95 m² of roof
Weight 21.5 kg Typical Typical · median 22.5 kg
Cells 108 Monocrystalline
Coefficient Pmax -0.360 %/°C Weak bottom 11% of its segment
Coefficient Voc · Isc -0.285 · 0.049 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 25 years Weak bottom 19% · median 30 yrs
End-of-warranty output 85.5 % Equals 332 W guaranteed
Degradation 2.50 → 0.50 % First year, then annual

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
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.360 %/°C against a segment median of -0.300
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Luxor Solar LX-400M/182-108+ 400 W 20.79% -0.360 21.5 kg You are here
LX-440M/182-108+GG 440 W 23.07% -0.240 23.6 kg Cooler, +2.3 pp, +5 yr warranty
JST-EDMH-(445-465)W-TD (450W class) 450 W 23.05% -0.300 20.5 kg +50 W, cooler, +2.3 pp
QNN182-HG450-54 450 W 23.04% -0.290 24.0 kg +50 W, cooler, +2.2 pp
HY440-N108BDD 450 W 23.04% -0.300 23.5 kg +50 W, cooler, +2.2 pp
NLBK-27-450 450 W 23.04% -0.300 22.9 kg +50 W, cooler, +2.2 pp
RS41-450NBG-E3 450 W 23.04% -0.290 24.5 kg +50 W, cooler, +2.2 pp
LX-395M/182-108+ 395 W 20.54% -0.360 21.5 kg -0.2 pp
LX-405M/182-108+ 405 W 21.05% -0.360 21.5 kg +0.3 pp
LX-410M/182-108+ 410 W 21.30% -0.360 21.5 kg +10 W, +0.5 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +110 W, cooler, +4.2 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +95 W, cooler, +4.0 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +105 W, cooler, +3.9 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +90 W, cooler, +3.7 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +100 W, cooler, +3.7 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +100 W, cooler, +3.7 pp

Found 1783 panels of the same or similar size to this one, within ±10 mm. See them here Found 1914 panels of the same or similar size to this one, within ±25 mm. See them here Found 3392 panels of the same or similar size to this one, within ±50 mm. See them here Found 3970 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
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.
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