AIKO AIKO-A-615-MAH72Mw vs AIKO AIKO-A620-MAH72Mw
VS
The verdict
A620-MAH72Mw leads on the differences that matter
The largest is cell technology: Back Contact vs N-type. 17 of 19 comparable parameters are identical.
See all 2 differencesHow alike are they
17
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
2 of 19 parameters
What actually differs
Parameter
A-615-MAH72Mw
A620-MAH72Mw
Difference
Cell technology
Back Contact
N-type
Back Contact vs N-type
Module efficiency
23.80 %
24.00 %
0.20 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.
A-615-MAH72Mw
20,795 kWh
A620-MAH72Mw
20,964 kWh
Lifetime gap
169 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
A-615-MAH72Mw
A620-MAH72Mw
Standard test conditions
25 °C
100.0% of rated power
615 W
620 W
Cool, bright day
40 °C
95.7% of rated power
588 W
593 W
Typical summer roof
55 °C
91.3% of rated power
561 W
566 W
Hot roof
70 °C
87.0% of rated power
535 W
539 W
03
Full specification
Parameter
A-615-MAH72Mw
A620-MAH72Mw
Difference
Power and efficiency
Rated power
615 Wp
620 Wp
Effectively the same
Module efficiency
23.80 %
24.00 %
+0.20 pp for A620-MAH72Mw
Power density
238.1 Wp/m²
240.0 Wp/m²
Effectively the same
Open-circuit voltage
53.59 V
53.69 V
Effectively the same
Voltage at max power
45.11 V
45.21 V
Effectively the same
Short-circuit current
14.10 A
14.16 A
Effectively the same
Current at max power
13.64 A
13.72 A
Effectively the same
Temperature
Temperature coefficient
-0.290 %/°C
-0.290 %/°C
Same
Mechanical
Dimensions
2278x1134x35 mm
2278x1134x35 mm
Same
Module area
2.583 m²
2.583 m²
Same
Weight
28.2 kg
28.2 kg
Same
Weight per kWp
45.9 kg/kWp
45.5 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
N-type
Back Contact vs N-type
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
144
144
Same
Bifacial
No
No
Same
04
14,005 panels
Against the whole database
Efficiency
#433
vs
#303
A620-MAH72Mw leads by 130 places
Power density
#455
vs
#332
A620-MAH72Mw leads by 123 places
Heat behaviour
#2,165
vs
#2,165
Tied - the same position in the database
Weight
#900
vs
#749
A620-MAH72Mw leads by 151 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#1,567
vs
#1,385
A620-MAH72Mw leads by 182 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: AIKO AIKO-A-615-MAH72Mw or AIKO AIKO-A620-MAH72Mw?
According to our database: AIKO AIKO-A620-MAH72Mw has higher module efficiency (24.00% vs 23.80%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of AIKO AIKO-A-615-MAH72Mw and AIKO AIKO-A620-MAH72Mw?
AIKO AIKO-A-615-MAH72Mw has a module efficiency of 23.80%, while AIKO AIKO-A620-MAH72Mw is 24.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does AIKO AIKO-A-615-MAH72Mw use vs AIKO AIKO-A620-MAH72Mw?
AIKO AIKO-A-615-MAH72Mw uses Back Contact cells; AIKO AIKO-A620-MAH72Mw uses N-type. 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-A-615-MAH72Mw and AIKO AIKO-A620-MAH72Mw?
AIKO AIKO-A-615-MAH72Mw has a 30 years power warranty; AIKO AIKO-A620-MAH72Mw 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.