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Luxen Solar Energy Brand review

LNAB-470BA

470 Wp Back Contact Bifacial 70%
ComparePV verdict

Middle of its segment, needs the roof space

Rank 7,028 of 14,129
Compare panels Datasheet PDF
Power (Wp)
470
Typical for its class
Efficiency (%)
23.03
Weak · bottom 17%
Density (Wp/m²)
230.3
Weak · bottom 13%
Temp (%/°C)
-0.260
Typical · median -0.260
Weight (kg)
23.5
Typical · median 23.5 kg
Warranty (yrs)
30
Typical · median 30 yrs

The LUXPOWER BC 108 BC SERIES is engineered for installations where rooftop aesthetics matter just as much as energy output. These modules use back contact (BC) cell technology with a 0BB layout, meaning the front surface shows no visible busbars or gridlines - the result is a uniformly black, discreet panel face that makes this series a natural choice for residential roofs where a clean, premium look is expected. The bifacial dual glass construction captures additional reflected irradiance from the ground surface, boosting energy yield without changing the panel's footprint. Moving all electrical contacts to the rear of the cell reduces the risk of localized hot spots and lowers the likelihood of micro-cracks, resulting in greater durability and stable performance under demanding conditions. A POE encapsulant film improves resistance to corrosion and moisture, while an A+ anti-shading design minimizes losses from partial shading, a common issue in urban and suburban installations. The series is backed by a 30-year linear power warranty, reflecting the manufacturer's confidence in the technology used. It's a strong option for installers and investors looking to combine high efficiency, long-term reliability, and premium aesthetics in a single module.

Ranking

167 panels in the segment Back Contact 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.03% 23.52% Weak · bottom 17% 1,794
Power density 230.3 235.2 Weak · bottom 13% 1,905
Temperature coefficient -0.260 -0.260 Typical 515
Weight per kWp 50.0 48.5 Typical 3,329
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 4 caution
Best for

Residential and BIPV.

Not ideal for

Roofs where every square metre has to count and tight roof space.

Watch-outs
230.3 watts per square metre

Bottom 13% of the Back Contact 450-500 W segment, against a median of 235.2.

23.03% module efficiency

Bottom 17% of the Back Contact 450-500 W segment, against a median of 23.52%.

What owners get
Highest efficiency in the segment

Efficiency up to 24.25% clearly outperforms peer comparables in this power class (Solarspace 22.87%, Hanersun 23%, Resun Solar 22.94%), delivering a real energy yield advantage per unit of roof area.

Busbar-free aesthetics (0BB)

Back Contact technology with 0BB layout eliminates visible grid lines and busbars on the front side, giving a uniform black surface - a key selling point for residential customers prioritizing rooftop aesthetics.

Bifacial dual-glass construction

The bifacial dual-glass design captures additional albedo radiation reflected off the ground, boosting energy yield without changing the module's footprint - especially beneficial with high-albedo roofs or ground-mount installations.

30-year linear power warranty

The series carries a 30-year linear power warranty and a 15-year product warranty, matching premium Tier-1 standards and signaling confidence in the BC cell durability and POE encapsulant used.

Reduced microcracking and hot-spotting

Rear-side contact placement (Back Contact) lowers the risk of local hot spots and microcracks compared to conventional front-busbar layouts, improving reliability under demanding field conditions.

Trade-offs
Limited temperature coefficient data

The available description does not disclose the power temperature coefficient or annual degradation rate - given that Back Contact technology has a shorter field track record than PERC/TOPCon, this gap makes full comparison against peer comparables harder.

Higher production cost of BC technology

Back Contact cells are more complex to manufacture than the standard TOPCon or PERC cells used by some peers (e.g., Resun Solar, Hanersun), which typically translates into a higher module price at comparable peak power.

Notes from the database
  • Efficiency of 23.0% matches the Back Contact 450-500W median
  • 230.3 W/m² power density is 4.9 W/m² below Back Contact 450-500W median (235.2 W/m²) - requires larger installation area
  • At -0.26%/°C, hot weather performance is typical for Back Contact 450-500W panels
  • Bifaciality factor of 70% can add 4-10% extra yield with reflective mounting surface
  • In the top 13% for efficiency among all Back Contact panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 470 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.03 % Weak Segment median 23.52%
Vmpp · Impp 33.29 V · 14.13 A Operating point at max power
Voc · Isc 40.31 V · 14.78 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1800×1134×30 mm · 2.04 m² of roof
Weight 23.5 kg Typical Typical · median 23.5 kg
Cells 108 · Back Contact Monocrystalline
Bifaciality 70 % Rear output as a share of front
Coefficient Pmax -0.260 %/°C Typical median -0.260 of its segment
Coefficient Voc · Isc -0.200 · 0.050 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 88.8 % Equals 418 W guaranteed
Degradation 1.00 → 0.35 % 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
-
With bifacial gain
-

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

Heat losses
-0.260 %/°C against a segment median of -0.260
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Luxen Solar Energy LNAB-470BA 470 W 23.03% -0.260 23.5 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +40 W, cooler, +2.0 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +25 W, lighter, +1.8 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +35 W, cooler, +1.7 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg +35 W, heavier, +1.7 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +20 W, lighter, +1.5 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +30 W, cooler, +1.5 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +30 W, lighter, +1.5 pp
LNAB-465BA 465 W 22.78% -0.260 23.5 kg -0.2 pp
LNAB-475BA 475 W 23.27% -0.260 23.5 kg +0.2 pp
LNAB-480BA 480 W 23.52% -0.260 23.5 kg +10 W, +0.5 pp
LNAB-485BA 485 W 23.76% -0.260 23.5 kg +15 W, +0.7 pp
LNAB-490BA 490 W 24.01% -0.260 23.5 kg +20 W, +1.0 pp
LNAB-495BA 495 W 24.25% -0.260 23.5 kg +25 W, +1.2 pp

Found 213 panels of the same or similar size to this one, within ±10 mm. See them here Found 217 panels of the same or similar size to this one, within ±25 mm. See them here Found 1735 panels of the same or similar size to this one, within ±50 mm. See them here Found 4051 panels of the same or similar size to this one, within ±100 mm. See them here

About the LUXPOWER BC 108 BC SERIES series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

What is back contact (BC) cell technology in Luxen LUXPOWER BC 108 BC SERIES panels, and how does it differ from standard busbar cells?
Back contact technology moves all electrical contacts to the rear side of the cell, so the front surface of the panel is free of grids and busbars. The result is a uniformly black, aesthetic surface and slightly higher efficiency, since more light reaches the cell. Additionally, spreading the contacts on the back reduces local hotspots and microcrack risk, improving module durability.
Are LUXPOWER BC 108 BC SERIES panels suitable for a single-family home roof where facade appearance matters?
Yes, this is one of the series' main design goals. Thanks to BC cell technology with no visible busbars, the panel has a uniformly black, discreet surface without the typical grid pattern. This makes the installation look sleek on sloped residential roofs, where investors often avoid cheaper options precisely because of aesthetics.
What does the bifacial dual glass construction offer in LUXPOWER BC 108 BC SERIES panels, and is it worthwhile on a typical sloped roof?
The dual glass design allows the rear side of the module to capture light reflected off the ground surface, increasing total energy yield without changing the panel's dimensions. On sloped roofs the bifacial gain is smaller than on ground-mount or facade installations, but it still adds free extra output, especially over light-colored roofing materials like light tiles or metal sheets.
What warranty comes with LUXPOWER BC 108 BC SERIES panels, and what does it cover?
Manufacturer Luxen Solar Energy provides a 15-year product warranty and a 30-year linear power warranty. This means the panel retains a guaranteed percentage of its original output over three decades, while material or manufacturing defects during the first 15 years are fully covered by the manufacturer.
Does the A+ anti-shading layer in LUXPOWER BC 108 BC SERIES panels actually help with partial shading, such as from a chimney or antenna?
Yes, the additional anti-shading layer limits energy loss when part of the panel is shaded by a chimney, antenna, or neighboring building. Such partial shading is common in urban and suburban installations, so this feature meaningfully reduces losses compared to standard modules without this protection.
What is the maximum power output of a single LUXPOWER BC 108 BC SERIES panel, and how many are needed for a typical 6 kW system?
The maximum power rating in this series is 495 Wp. For a system of roughly 6 kW you would need about 12 such panels, though the exact number depends on available roof space, tilt angle, and system losses accounted for by the installation designer.
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