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580W vs 590W 16 of 19 identical Swap Change panels

Lexron LEXRON 580W vs Lexron LEXRON 590W

Lexron
LEXRON 580W
580 Wp 22.45 % TOPCon
Open panel page Datasheet PDF
VS
Lexron
LEXRON 590W
590 Wp 22.84 % TOPCon
Open panel page Datasheet PDF
The verdict

590W leads on the differences that matter

The largest is module efficiency: 0.39 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences
How alike are they
16 of 19 comparable
parameters are identical
identical differs
01

What actually differs

3 of 19 parameters
Parameter 580W 590W Difference
Module efficiency 22.45 % 22.84 % 0.39 pp more efficient
Power density 224.5 Wp/m² 228.4 Wp/m² 3.9 Wp/m² higher
Rated power 580 Wp 590 Wp 10 W more power
02

What it means on a roof

Thirty years of production
Each panel's own declared degradation curve, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.350 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
580W
19,460 kWh
590W
19,796 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 580W 590W
Standard test conditions 25 °C 100.0% of rated power 580 W 590 W
Cool, bright day 40 °C 94.8% of rated power 550 W 559 W
Typical summer roof 55 °C 89.5% of rated power 519 W 528 W
Hot roof 70 °C 84.2% of rated power 489 W 497 W
03

Full specification

Parameter 580W 590W Difference
Power and efficiency
Rated power 580 Wp 590 Wp +10 W for 590W
Module efficiency 22.45 % 22.84 % +0.39 pp for 590W
Power density 224.5 Wp/m² 228.4 Wp/m² +3.9 Wp/m² for 590W
Open-circuit voltage 51.30 V 51.72 V Effectively the same
Voltage at max power 42.75 V 43.10 V Effectively the same
Short-circuit current 14.31 A 14.44 A Effectively the same
Current at max power 13.57 A 13.69 A Effectively the same
Temperature
Temperature coefficient -0.350 %/°C -0.350 %/°C Same
Mechanical
Dimensions 2278x1134x35 mm 2278x1134x35 mm Same
Module area 2.583 m² 2.583 m² Same
Weight 28.0 kg 28.0 kg Same
Weight per kWp 48.3 kg/kWp 47.5 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 144 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#4,620 vs #2,617
590W leads by 2,003 places
Power density
#4,547 vs #2,598
590W leads by 1,949 places
Heat behaviour
#10,419 vs #10,419
Tied - the same position in the database
Weight
#2,172 vs #1,689
590W leads by 483 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,436 vs #3,653
590W leads by 783 places
05

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06

Written summary

07

Questions about this pairing

Which panel is better: Lexron LEXRON 580W or Lexron LEXRON 590W?
According to our database: Lexron LEXRON 590 W has higher module efficiency (22.84% vs 22.45%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Lexron LEXRON 580W and Lexron LEXRON 590W?
Lexron LEXRON 580 W has a module efficiency of 22.45%, while Lexron LEXRON 590 W is 22.84%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Lexron LEXRON 580W use vs Lexron LEXRON 590W?
Lexron LEXRON 580 W uses TOPCon cells; Lexron LEXRON 590 W uses TOPCon. 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 Lexron LEXRON 580W and Lexron LEXRON 590W?
Lexron LEXRON 580 W has a 30 years power warranty; Lexron LEXRON 590 W has a 30 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.

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.