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LX - 440 M/182-108+ GG vs LX-555 M/182-144+ 2 of 18 identical Swap Change panels

Luxor Solar LX - 440 M/182-108+ GG vs Luxor Solar LX-555 M/182-144+

Luxor Solar
LX - 440 M/182-108+ GG
440 Wp 22.86 % HJT Bifacial Incomplete
Open panel page Datasheet PDF
VS
Luxor Solar
LX-555 M/182-144+
555 Wp 21.74 % N-type Incomplete
Open panel page Datasheet PDF
The verdict

LX - 440 M/182-108+ GG leads on the differences that matter

The largest is module efficiency: 1.12 pp more efficient. 2 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 16 differences
How alike are they
2 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

16 of 18 parameters
Parameter LX - 440 M/182-108+ GG LX-555 M/182-144+ Difference
Module efficiency 22.86 % 21.74 % 1.12 pp more efficient
Temperature coefficient -0.240 %/°C -0.300 %/°C 0.060 %/°C better in heat
Rated power 440 Wp 555 Wp 115 W more power
Performance warranty 30 yrs 25 yrs 5 yrs longer
Power density 225.3 Wp/m² 214.8 Wp/m² 10.6 Wp/m² higher
Weight 24.0 kg 29.0 kg 5.0 kg lighter
Product warranty 30 yrs 15 yrs 15 yrs longer
Open-circuit voltage 42.49 V 50.57 V 8.08 V apart
Module area 1.953 m² 2.584 m² 0.632 m² apart
Cell technology HJT N-type HJT vs N-type
Voltage at max power 34.63 V 41.77 V 7.14 V apart
Cell count 108 144 36 cells apart
Weight per kWp 54.5 kg/kWp 52.3 kg/kWp 2.3 kg/kWp lighter
Bifacial Yes No Yes vs No
Dimensions 1722x1134x30 mm 2279x1134x35 mm 1722x1134x30 mm vs 2279x1134x35 mm
Current at max power 12.72 A 13.29 A 0.57 A apart
02

What it means on a roof

Thirty years of production
A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year
LX - 440 M/182-108+ GG
14,763 kWh
LX-555 M/182-144+
18,621 kWh
Lifetime gap
3,858 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario LX - 440 M/182-108+ GG LX-555 M/182-144+
Standard test conditions 25 °C 100.0% of rated power 440 W 555 W
Cool, bright day 40 °C 95.5% of rated power 424 W 530 W
Typical summer roof 55 °C 91.0% of rated power 408 W 505 W
Hot roof 70 °C 86.5% of rated power 392 W 480 W
03

Full specification

Parameter LX - 440 M/182-108+ GG LX-555 M/182-144+ Difference
Power and efficiency
Rated power 440 Wp 555 Wp +115 W for LX-555 M/182-144+
Module efficiency 22.86 % 21.74 % +1.12 pp for LX - 440 M/182-108+ GG
Power density 225.3 Wp/m² 214.8 Wp/m² +10.6 Wp/m² for LX - 440 M/182-108+ GG
Open-circuit voltage 42.49 V 50.57 V 8.08 V apart
Voltage at max power 34.63 V 41.77 V 7.14 V apart
Short-circuit current 13.53 A 14.02 A Effectively the same
Current at max power 12.72 A 13.29 A 0.57 A apart
Temperature
Temperature coefficient -0.240 %/°C -0.300 %/°C +0.060 %/°C for LX - 440 M/182-108+ GG
Mechanical
Dimensions 1722x1134x30 mm 2279x1134x35 mm 1722x1134x30 mm vs 2279x1134x35 mm
Module area 1.953 m² 2.584 m² 0.632 m² apart
Weight 24.0 kg 29.0 kg -5.0 kg for LX - 440 M/182-108+ GG
Weight per kWp 54.5 kg/kWp 52.3 kg/kWp -2.3 kg/kWp for LX-555 M/182-144+
Warranty and degradation
Product warranty 30 yrs 15 yrs +15 yrs for LX - 440 M/182-108+ GG
Performance warranty 30 yrs 25 yrs +5 yrs for LX - 440 M/182-108+ GG
Annual degradation - - Neither datasheet publishes this
Technology
Cell technology HJT N-type HJT vs N-type
Cell type Monocrystalline Monocrystalline Same
Cell count 108 144 36 cells apart
Bifacial Yes No Yes vs No
04

Against the whole database

14,129 panels
Efficiency
#2,591 vs #7,428
LX - 440 M/182-108+ GG leads by 4,837 places
Power density
#4,158 vs #8,213
LX - 440 M/182-108+ GG leads by 4,055 places
Heat behaviour
#13 vs #6,152
LX - 440 M/182-108+ GG leads by 6,139 places
Weight
#8,953 vs #5,753
LX-555 M/182-144+ leads by 3,200 places
Warranty
#21 vs #9,912
LX - 440 M/182-108+ GG leads by 9,891 places
Overall
#5,164 vs #6,685
LX - 440 M/182-108+ GG leads by 1,521 places
05

More useful comparisons

Open the full database
Same series, other bin
Luxor Solar
Luxor Solar LX - 440 M/182-108+ GG vs Luxor Solar LX - 435 M/182-108+ GG
One difference: module efficiency
Same series, other bin
Luxor Solar
Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-575 M/182-144+
5 differences, the largest is module efficiency
Same series, other bin
Luxor Solar
Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-570 M/182-144+
3 differences, the largest is module efficiency
Same series, other bin
Luxor Solar
Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-565 M/182-144+
3 differences, the largest is module efficiency
Same series, other bin
Luxor Solar
Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-560 M/182-144+
The same specification on paper
Same series, other bin
Luxor Solar
Luxor Solar LX-555 M/182-144+ vs Luxor Solar LX-435M/182-108+GG
14 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Luxor Solar LX - 440 M/182-108+ GG or Luxor Solar LX-555 M/182-144+?
According to our database: Luxor Solar LX - 440 M/182-108+ GG has higher module efficiency (22.86% vs 21.74%); Luxor Solar LX - 440 M/182-108+ GG tolerates heat better (temp coeff -0.240%/°C vs -0.300%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Luxor Solar LX - 440 M/182-108+ GG and Luxor Solar LX-555 M/182-144+?
Luxor Solar LX - 440 M/182-108+ GG has a module efficiency of 22.86%, while Luxor Solar LX-555 M/182-144+ is 21.74%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Luxor Solar LX - 440 M/182-108+ GG use vs Luxor Solar LX-555 M/182-144+?
Luxor Solar LX - 440 M/182-108+ GG uses HJT cells; Luxor Solar LX-555 M/182-144+ uses N-type. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.
What is the warranty on Luxor Solar LX - 440 M/182-108+ GG and Luxor Solar LX-555 M/182-144+?
Luxor Solar LX - 440 M/182-108+ GG has a 30 years power warranty; Luxor Solar LX-555 M/182-144+ has a 25 years power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80-87%). Product (materials) warranties are usually shorter.
Are Luxor Solar LX - 440 M/182-108+ GG and Luxor Solar LX-555 M/182-144+ bifacial panels?
Luxor Solar LX - 440 M/182-108+ GG is bifacial (captures light from both faces); Luxor Solar LX-555 M/182-144+ is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate. The thirty-year projection and the temperature scenarios are calculations from those figures, and each states its assumption above.