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EX550MB(144)182 vs EX555MB(144)182 17 of 18 identical Swap Change panels

Exiom EX550MB(144)182 vs Exiom EX555MB(144)182

Exiom EX550MB(144)182
Exiom
EX550MB(144)182
550 Wp 21.30 % PERC Incomplete
Open panel page Datasheet PDF
VS
Exiom EX555MB(144)182
Exiom
EX555MB(144)182
555 Wp 21.50 % PERC Incomplete
Open panel page Datasheet PDF
The verdict

EX555MB(144)182 leads on the differences that matter

The largest is module efficiency: 0.20 pp more efficient. 17 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See the one difference
How alike are they
17 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

1 of 18 parameters
Parameter EX550MB(144)182 EX555MB(144)182 Difference
Module efficiency 21.30 % 21.50 % 0.20 pp more efficient
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
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.
EX550MB(144)182
18,454 kWh
EX555MB(144)182
18,621 kWh
Lifetime gap
167 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario EX550MB(144)182 EX555MB(144)182
Standard test conditions 25 °C 100.0% of rated power 550 W 555 W
Cool, bright day 40 °C 94.8% of rated power 521 W 526 W
Typical summer roof 55 °C 89.5% of rated power 492 W 497 W
Hot roof 70 °C 84.2% of rated power 463 W 468 W
03

Full specification

Parameter EX550MB(144)182 EX555MB(144)182 Difference
Power and efficiency
Rated power 550 Wp 555 Wp Effectively the same
Module efficiency 21.30 % 21.50 % +0.20 pp for EX555MB(144)182
Power density 212.8 Wp/m² 214.8 Wp/m² Effectively the same
Open-circuit voltage 49.90 V 50.02 V Effectively the same
Voltage at max power 41.96 V 42.11 V Effectively the same
Short-circuit current 14.00 A 14.07 A Effectively the same
Current at max power 13.11 A 13.18 A Effectively the same
Temperature
Temperature coefficient -0.350 %/°C -0.350 %/°C Same
Mechanical
Dimensions 2279x1134 mm 2279x1134 mm Same
Module area 2.584 m² 2.584 m² Same
Weight 27.3 kg 27.3 kg Same
Weight per kWp 49.6 kg/kWp 49.2 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 25 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation - - Neither datasheet publishes this
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 144 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#8,519 vs #7,958
EX555MB(144)182 leads by 561 places
Power density
#8,643 vs #8,148
EX555MB(144)182 leads by 495 places
Heat behaviour
#10,419 vs #10,419
Tied - the same position in the database
Weight
#3,181 vs #2,789
EX555MB(144)182 leads by 392 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,170 vs #3,761
EX555MB(144)182 leads by 409 places
05

More useful comparisons

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Exiom EX550MB(144)182 vs Exiom EX540MB(144)182
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Exiom EX550MB(144)182 vs Exiom EX605TC-144HC182BF
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Exiom EX550MB(144)182 vs Exiom EX600TC-144HC182BF
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Exiom EX550MB(144)182 vs Exiom EX595TC-144HC182BF
11 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Exiom EX550MB(144)182 or Exiom EX555MB(144)182?
According to our database: Exiom EX555MB(144)182 has higher module efficiency (21.50% vs 21.30%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Exiom EX550MB(144)182 and Exiom EX555MB(144)182?
Exiom EX550MB(144)182 has a module efficiency of 21.30%, while Exiom EX555MB(144)182 is 21.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Exiom EX550MB(144)182 use vs Exiom EX555MB(144)182?
Exiom EX550MB(144)182 uses PERC cells; Exiom EX555MB(144)182 uses PERC. 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 Exiom EX550MB(144)182 and Exiom EX555MB(144)182?
Exiom EX550MB(144)182 has a 30 years power warranty; Exiom EX555MB(144)182 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.

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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.