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Luxen Solar Energy LNCU-635N
Luxen Solar Energy Brand review

LNCU-635N

635 Wp N-type
ComparePV verdict

Light for its output, no clear weak spot

Rank 1,336 of 14,005
Compare panels Datasheet PDF
Power (Wp)
635
Strong · top 22%
Efficiency (%)
22.72
Typical · median 22.77%
Density (Wp/m²)
227.2
Typical · median 227.7
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
29.8
Strong · 2.7 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

The LUXNERI N5 series from Luxen Solar Energy is engineered to maximize energy yield even under challenging irradiance conditions. At the heart of the series is N-TOPCon technology paired with proprietary LECO optimization, which enhances cell performance under low or diffuse light, keeping the panels productive on cloudy days and during early morning or evening hours. The use of half-cut cells with SMBB (multi-busbar) technology reduces resistive losses and improves the module's mechanical resistance to microcracks, translating into a longer installation lifespan. The dual-sided, bifacial design captures light reflected from the ground, boosting overall energy production without requiring extra roof space. The panels also stand out with a low LID degradation rate and high resistance to PID and hot-spot effects, making them a reliable choice for long-term operation. The sleek, elegant Full Black version makes the N5 series a great fit for residential rooftops and plug-in micro-installations, where both performance and appearance matter. It's a solution for investors seeking a balance between aesthetics, durability, and real-world energy production under the variable weather conditions typical of Poland.

Ranking

359 panels in the segment N-type 600-650 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.72% 22.77% Typical 3,245
Power density 227.2 227.7 Typical 3,252
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 46.9 52.7 Strong · top 16% 1,405
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

6 positive · 2 caution
Best for

Residential and shaded-installations.

Strengths
46.9 kg per kWp

Top 16% of the N-type 600-650 W segment, against a median of 52.7.

What owners get
N-TOPCon technology with LECO

The combination of N-type TOPCon cells with the proprietary LECO (Low Efficiency Cell Optimization) solution improves module performance under weak and diffuse light, resulting in higher yield on cloudy days and during morning/evening hours compared to older PERC technology.

Efficiency up to 22.93%, top of segment

Maximum efficiency of 22.93% places the N5 series above REC Alpha Pro M (22.5%) and on par with Jetion JT SRt(B) (22.9%), at the same maximum power of 640 Wp.

30-year linear power warranty

The manufacturer guarantees 30 years on power output with a 20-year product warranty - longer than the standard 25 years offered by many tier-1 manufacturers, reducing investment risk over the installation's lifecycle.

BNEF Tier-1 status since 2022

Luxen Solar Energy has continuously maintained Tier-1 status according to BloombergNEF since 2022, which facilitates bank and leasing financing for installations based on this series.

Half-cut SMBB cells and glass-glass build

The use of half-cut cells with multi-busbar (SMBB) technology reduces resistive losses and increases resistance to micro-cracks, while the glass-glass construction provides high PID resistance and a low LID degradation rate.

Trade-offs
Monofacial variant, no bifacial gain

Although marketing materials reference a bifacial construction, the specification for this N5 series configuration indicates a monofacial module. Two of the three peer comparables - REC Alpha Pro M and Jinko EAGLE G7B - offer bifacial variants with additional energy yield from reflected light, making them more attractive for ground-mount and commercial installations.

Efficiency trails segment leader

Maximum efficiency of 22.93% falls short of the flagship Jinko Solar EAGLE G7B (23.69%) by about 0.76 pp, meaning a slightly lower installed power for the same roof area.

Notes from the database
  • At 22.7% efficiency, this panel is on par with typical N-type 600-650W modules
  • Power density of 227.2 W/m² matches the N-type 600-650W median
  • Temperature coefficient of -0.29%/°C matches the N-type 600-650W median
  • At 29.8 kg, this panel is 2.7 kg lighter than N-type 600-650W median (32.5 kg) - easier handling during installation
  • Ranked #3245 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 635 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.72 % Typical Segment median 22.77%
Vmpp · Impp 43.88 V · 14.47 A Operating point at max power
Voc · Isc 52.54 V · 15.34 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2465×1134×33 mm · 2.80 m² of roof
Weight 29.8 kg Strong Strong · 2.7 kg below median
Cells 144 · N-type Monocrystalline
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.045 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 20 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 555 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Luxen Solar Energy in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 635 Wp appear here. The rest cover the whole series.

Linear Performance Warranty Linear Performance Warranty Whole series

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
-0.290 %/°C against a segment median of -0.290
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Luxen Solar Energy LNCU-635N 635 W 22.72% -0.290 29.8 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg Cooler, lighter, +2.5 pp
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg +45 W, cooler, +2.5 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg +40 W, cooler, +2.3 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg Cooler, lighter, +2.3 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg +35 W, cooler, +2.1 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg +35 W, cooler, +2.1 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg Cooler, lighter, +2.1 pp
LNVH-595M 595 W 21.29% -0.360 30.0 kg Hotter, -1.4 pp, -5 yr warranty
LNVH-620ND 620 W 22.18% -0.290 34.8 kg -15 W, heavier, -0.5 pp
LNVH-625ND 625 W 22.36% -0.290 34.8 kg -10 W, heavier, -0.4 pp
LNVH-630ND 630 W 22.54% -0.290 34.8 kg Heavier
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg +65 W, heavier, +2.3 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg +60 W, heavier, +2.2 pp
JKM650-670N-66QL6-BDV (670W class) 670 W 24.80% -0.260 32.5 kg +35 W, cooler, +2.1 pp

Found 616 panels of the same or similar size to this one, within ±10 mm. See them here Found 616 panels of the same or similar size to this one, within ±25 mm. See them here Found 616 panels of the same or similar size to this one, within ±50 mm. See them here Found 1813 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What is N-TOPCon and LECO technology in LUXNERI N5 panels?
N-TOPCon is an advanced N-type cell technology that reduces energy losses and delivers higher efficiency than conventional P-type cells. The patented LECO solution further optimizes cell performance under low or diffuse light, so LUXNERI N5 panels generate more energy on cloudy days and during early morning and late afternoon hours when irradiance is lower.
What warranty comes with LUXNERI Series N5 panels?
Luxen Solar Energy provides a 20-year product warranty and a 30-year power output warranty. This means the panel maintains a guaranteed performance level for three decades, while manufacturing or material defects are covered for 20 years, giving investors long-term security for their installation.
What is the maximum power output of the LUXNERI N5 panel and who is it suited for?
Panels in the LUXNERI N5 series reach up to 640 Wp, meaning fewer modules are needed to achieve a given system size. This makes the series suitable both for larger installations on single-family home roofs and for plug-in microinstallations, where high efficiency within limited surface area matters most.
How do half-cut SMBB cells differ from standard solar cells?
Half-cut cells are cut in half, which reduces resistive losses and increases mechanical resistance to microcracks. SMBB, or multi-busbar technology, further improves current collection across the cell surface and lowers the risk of power loss from partial shading, such as from chimneys or antennas on the roof.
Are LUXNERI N5 panels resistant to LID degradation and PID effect?
Yes, the LUXNERI N5 series features a low LID degradation rate, meaning minimal light-induced power loss during the initial operating period, along with high resistance to PID, or potential-induced degradation, and the hot-spot effect. These properties support stable energy production throughout the 30-year power warranty period.
Is the Full Black version of LUXNERI N5 panels a good choice for a single-family home roof?
The Full Black version combines aesthetics with the full technical performance of the N5 series, blending seamlessly with dark roofing typical of residential buildings. It is a strong choice for investors who value a uniform, elegant look visible from street level or neighboring properties, in addition to energy production.
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