Exiom EX550MB-144BF vs Exiom EX590TC-144HC182BF
VS
The verdict
EX590TC-144HC182BF leads on the differences that matter
The largest is module efficiency: 1.50 pp more efficient. 8 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.
See all 10 differencesHow alike are they
8
of 18 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
10 of 18 parameters
What actually differs
Parameter
EX550MB-144BF
EX590TC-144HC182BF
Difference
Module efficiency
21.30 %
22.80 %
1.50 pp more efficient
Temperature coefficient
-0.350 %/°C
-0.280 %/°C
0.070 %/°C better in heat
Rated power
550 Wp
590 Wp
40 W more power
Power density
212.8 Wp/m²
228.3 Wp/m²
15.5 Wp/m² higher
Weight per kWp
59.1 kg/kWp
53.4 kg/kWp
5.7 kg/kWp lighter
Cell technology
PERC
TOPCon
PERC vs TOPCon
Weight
32.5 kg
31.5 kg
1.0 kg lighter
Open-circuit voltage
50.28 V
51.63 V
1.35 V apart
Voltage at max power
42.11 V
43.44 V
1.33 V apart
Current at max power
13.06 A
13.59 A
0.53 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
EX550MB-144BF
18,454 kWh
EX590TC-144HC182BF
19,796 kWh
Lifetime gap
1,342 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
EX550MB-144BF
EX590TC-144HC182BF
Standard test conditions
25 °C
100.0% of rated power
550 W
590 W
Cool, bright day
40 °C
94.8% of rated power
521 W
565 W
Typical summer roof
55 °C
89.5% of rated power
492 W
540 W
Hot roof
70 °C
84.2% of rated power
463 W
516 W
03
Full specification
Parameter
EX550MB-144BF
EX590TC-144HC182BF
Difference
Power and efficiency
Rated power
550 Wp
590 Wp
+40 W for EX590TC-144HC182BF
Module efficiency
21.30 %
22.80 %
+1.50 pp for EX590TC-144HC182BF
Power density
212.8 Wp/m²
228.3 Wp/m²
+15.5 Wp/m² for EX590TC-144HC182BF
Open-circuit voltage
50.28 V
51.63 V
1.35 V apart
Voltage at max power
42.11 V
43.44 V
1.33 V apart
Short-circuit current
13.90 A
14.38 A
Effectively the same
Current at max power
13.06 A
13.59 A
0.53 A apart
Temperature
Temperature coefficient
-0.350 %/°C
-0.280 %/°C
+0.070 %/°C for EX590TC-144HC182BF
Mechanical
Dimensions
2279x1134 mm
2279x1134 mm
Same
Module area
2.584 m²
2.584 m²
Same
Weight
32.5 kg
31.5 kg
-1.0 kg for EX590TC-144HC182BF
Weight per kWp
59.1 kg/kWp
53.4 kg/kWp
-5.7 kg/kWp for EX590TC-144HC182BF
Warranty and degradation
Product warranty
25 yrs
25 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.60 %/yr
-
Not published by Exiom
Technology
Cell technology
PERC
TOPCon
PERC vs TOPCon
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
144
144
Same
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#8,519
vs
#2,714
EX590TC-144HC182BF leads by 5,805 places
Power density
#8,643
vs
#2,731
EX590TC-144HC182BF leads by 5,912 places
Heat behaviour
#10,419
vs
#1,309
EX590TC-144HC182BF leads by 9,110 places
Weight
#12,010
vs
#7,293
EX590TC-144HC182BF leads by 4,717 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#4,303
vs
#1,597
EX590TC-144HC182BF leads by 2,706 places
05
Open the full database
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06
Written summary
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07
Questions about this pairing
Which panel is better: Exiom EX550MB-144BF or Exiom EX590TC-144HC182BF?
According to our database: Exiom EX590TC-144HC182BF has higher module efficiency (22.80% vs 21.30%); Exiom EX590TC-144HC182BF tolerates heat better (temp coeff -0.280%/°C vs -0.350%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Exiom EX550MB-144BF and Exiom EX590TC-144HC182BF?
Exiom EX550MB-144BF has a module efficiency of 21.30%, while Exiom EX590TC-144HC182BF is 22.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Exiom EX550MB-144BF use vs Exiom EX590TC-144HC182BF?
Exiom EX550MB-144BF uses PERC cells; Exiom EX590TC-144HC182BF 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 Exiom EX550MB-144BF and Exiom EX590TC-144HC182BF?
Exiom EX550MB-144BF has a 30 years power warranty; Exiom EX590TC-144HC182BF 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.
Are Exiom EX550MB-144BF and Exiom EX590TC-144HC182BF bifacial panels?
Both Exiom EX550MB-144BF and Exiom EX590TC-144HC182BF are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.
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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.