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MAH54Db vs MAH54Mb 17 of 19 identical Swap Change panels

AIKO AIKO-A470-MAH54Db vs AIKO AIKO-A470-MAH54Mb

AIKO AIKO-A470-MAH54Db
AIKO-A470-MAH54Db
470 Wp 23.60 % Back Contact
Open panel page Datasheet PDF
VS
AIKO AIKO-A470-MAH54Mb
AIKO-A470-MAH54Mb
470 Wp 23.60 % Back Contact
Open panel page Datasheet PDF
The verdict

MAH54Mb leads on the differences that matter

The largest is weight per kwp: 6.4 kg/kWp lighter. 17 of 19 comparable parameters are identical.

See all 2 differences
How alike are they
17 of 19 comparable
parameters are identical
identical differs
01

What actually differs

2 of 19 parameters
Parameter MAH54Db MAH54Mb Difference
Weight per kWp 52.1 kg/kWp 45.7 kg/kWp 6.4 kg/kWp lighter
Weight 24.5 kg 21.5 kg 3.0 kg lighter
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 (-0.260 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
MAH54Db
15,892 kWh
MAH54Mb
15,892 kWh
Lifetime gap
No difference
Output when it is hot
Rated power carried across the range a module actually sees
Scenario MAH54Db MAH54Mb
Standard test conditions 25 °C 100.0% of rated power 470 W 470 W
Cool, bright day 40 °C 96.1% of rated power 452 W 452 W
Typical summer roof 55 °C 92.2% of rated power 433 W 433 W
Hot roof 70 °C 88.3% of rated power 415 W 415 W
03

Full specification

Parameter MAH54Db MAH54Mb Difference
Power and efficiency
Rated power 470 Wp 470 Wp Same
Module efficiency 23.60 % 23.60 % Same
Power density 235.9 Wp/m² 235.9 Wp/m² Same
Open-circuit voltage 41.18 V 41.18 V Same
Voltage at max power 34.74 V 34.74 V Same
Short-circuit current 14.32 A 14.32 A Same
Current at max power 13.54 A 13.54 A Same
Temperature
Temperature coefficient -0.260 %/°C -0.260 %/°C Same
Mechanical
Dimensions 1757x1134x30 mm 1757x1134x30 mm Same
Module area 1.992 m² 1.992 m² Same
Weight 24.5 kg 21.5 kg -3.0 kg for MAH54Mb
Weight per kWp 52.1 kg/kWp 45.7 kg/kWp -6.4 kg/kWp for MAH54Mb
Warranty and degradation
Product warranty 25 yrs 25 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
#627 vs #627
Tied - the same position in the database
Power density
#657 vs #657
Tied - the same position in the database
Heat behaviour
#511 vs #511
Tied - the same position in the database
Weight
#5,602 vs #860
MAH54Mb leads by 4,742 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,269 vs #4,119
MAH54Mb leads by 150 places
05

More useful comparisons

Open the full database
Same series, other bin
AIKO AIKO-A470-MAH54Db vs AIKO AIKO-A465-MAH54Db
One difference: module efficiency
Same series, other bin
AIKO AIKO-A470-MAH54Db vs AIKO AIKO-A460-MAH54Db
3 differences, the largest is module efficiency
Same series, other bin
AIKO AIKO-A470-MAH54Mb vs AIKO AIKO-A465-MAH54Mb
One difference: module efficiency
Same manufacturer
AIKO AIKO-A470-MAH54Db vs AIKO AIKO-A805-GRH78Dw
14 differences, the largest is module efficiency
Same manufacturer
AIKO AIKO-A470-MAH54Db vs AIKO AIKO-A800-GRH78Dw
14 differences, the largest is module efficiency
Same manufacturer
AIKO AIKO-A470-MAH54Db vs AIKO AIKO-A795-GRH78Dw
14 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: AIKO AIKO-A470-MAH54Db or AIKO AIKO-A470-MAH54Mb?
According to our database: both panels are closely matched on key specs - the decision often comes down to price and local availability. See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of AIKO AIKO-A470-MAH54Db and AIKO AIKO-A470-MAH54Mb?
AIKO AIKO-A470-MAH54Db has a module efficiency of 23.60%, while AIKO AIKO-A470-MAH54Mb is 23.60%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does AIKO AIKO-A470-MAH54Db use vs AIKO AIKO-A470-MAH54Mb?
AIKO AIKO-A470-MAH54Db uses Back Contact cells; AIKO AIKO-A470-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-A470-MAH54Db and AIKO AIKO-A470-MAH54Mb?
AIKO AIKO-A470-MAH54Db has a 30 years power warranty; AIKO AIKO-A470-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 180 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.