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A450-MAH54Mb vs A455-MAH54Mb 18 of 19 identical Swap Change panels

AIKO AIKO-A450-MAH54Mb vs AIKO AIKO-A455-MAH54Mb

AIKO AIKO-A450-MAH54Mb
AIKO-A450-MAH54Mb
450 Wp 23.00 % Back Contact
VS
AIKO AIKO-A455-MAH54Mb
AIKO-A455-MAH54Mb
455 Wp 23.30 % Back Contact
The verdict

A455-MAH54Mb leads on the differences that matter

The largest is module efficiency: 0.30 pp more efficient. 18 of 19 comparable parameters are identical.

See the one difference
How alike are they
18 of 19 comparable
parameters are identical
identical differs
01

What actually differs

1 of 19 parameters
Parameter A450-MAH54Mb A455-MAH54Mb Difference
Module efficiency 23.00 % 23.30 % 0.30 pp more efficient
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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
A450-MAH54Mb
15,216 kWh
A455-MAH54Mb
15,385 kWh
Lifetime gap
169 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario A450-MAH54Mb A455-MAH54Mb
Standard test conditions 25 °C 100.0% of rated power 450 W 455 W
Cool, bright day 40 °C 95.7% of rated power 430 W 435 W
Typical summer roof 55 °C 91.3% of rated power 411 W 415 W
Hot roof 70 °C 87.0% of rated power 391 W 396 W
03

Full specification

Parameter A450-MAH54Mb A455-MAH54Mb Difference
Power and efficiency
Rated power 450 Wp 455 Wp Effectively the same
Module efficiency 23.00 % 23.30 % +0.30 pp for A455-MAH54Mb
Power density 230.4 Wp/m² 233.0 Wp/m² Effectively the same
Open-circuit voltage 40.19 V 40.29 V Effectively the same
Voltage at max power 34.01 V 34.11 V Effectively the same
Short-circuit current 13.75 A 13.81 A Effectively the same
Current at max power 13.24 A 13.35 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1722x1134x30 mm 1722x1134x30 mm Same
Module area 1.953 m² 1.953 m² Same
Weight 20.5 kg 20.5 kg Same
Weight per kWp 45.6 kg/kWp 45.1 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.35 %/yr 0.35 %/yr Same
Technology
Cell technology Back Contact Back Contact Same
Cell type Monocrystalline Monocrystalline Same
Cell count 108 108 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#1,919 vs #1,017
A455-MAH54Mb leads by 902 places
Power density
#1,708 vs #1,098
A455-MAH54Mb leads by 610 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#767 vs #607
A455-MAH54Mb leads by 160 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#7,676 vs #7,080
A455-MAH54Mb leads by 596 places
05

More useful comparisons

Open the full database
Same series, other bin
AIKO AIKO-A450-MAH54Mb vs AIKO AIKO-A460-MAH54Mb
3 differences, the largest is module efficiency
Same series, other bin
AIKO AIKO-A450-MAH54Mb vs AIKO AIKO-A445-MAH54Mb
One difference: module efficiency
Same manufacturer
AIKO AIKO-A450-MAH54Mb vs AIKO AIKO-A805-GRH78Dw
14 differences, the largest is module efficiency
Same manufacturer
AIKO AIKO-A450-MAH54Mb vs AIKO AIKO-A800-GRH78Dw
14 differences, the largest is module efficiency
Same manufacturer
AIKO AIKO-A450-MAH54Mb vs AIKO AIKO-A795-GRH78Dw
14 differences, the largest is module efficiency
Same manufacturer
AIKO AIKO-A450-MAH54Mb vs AIKO AIKO-A790-GRH78Dw
14 differences, the largest is module efficiency
06

Written summary

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07

Questions about this pairing

Which panel is better: AIKO AIKO-A450-MAH54Mb or AIKO AIKO-A455-MAH54Mb?
According to our database: AIKO AIKO-A455-MAH54Mb has higher module efficiency (23.30% vs 23.00%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of AIKO AIKO-A450-MAH54Mb and AIKO AIKO-A455-MAH54Mb?
AIKO AIKO-A450-MAH54Mb has a module efficiency of 23.00%, while AIKO AIKO-A455-MAH54Mb is 23.30%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does AIKO AIKO-A450-MAH54Mb use vs AIKO AIKO-A455-MAH54Mb?
AIKO AIKO-A450-MAH54Mb uses Back Contact cells; AIKO AIKO-A455-MAH54Mb uses Back Contact. 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 AIKO AIKO-A450-MAH54Mb and AIKO AIKO-A455-MAH54Mb?
AIKO AIKO-A450-MAH54Mb has a 30 years power warranty; AIKO AIKO-A455-MAH54Mb 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.

Shop prices: See 165 AIKO offers

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.