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144-MF26-445W vs 120-MF10-455W 9 of 18 identical Swap Change panels

Aptos Solar DNA-144-MF26-445W vs Aptos Solar DNA-120-MF10-455W

Aptos Solar
DNA-144-MF26-445W
445 Wp 19.98 % PERC
Open panel page Datasheet PDF
VS
Aptos Solar DNA-120-MF10-455W
Aptos Solar
DNA-120-MF10-455W
455 Wp 21.03 % PERC
Open panel page Datasheet PDF
The verdict

120-MF10-455W leads on the differences that matter

The largest is module efficiency: 1.05 pp more efficient. 9 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 9 differences
How alike are they
9 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 18 parameters
Parameter 144-MF26-445W 120-MF10-455W Difference
Module efficiency 19.98 % 21.03 % 1.05 pp more efficient
Temperature coefficient -0.380 %/°C -0.350 %/°C 0.030 %/°C better in heat
Open-circuit voltage 49.70 V 41.88 V 7.82 V apart
Short-circuit current 11.26 A 13.63 A 2.37 A apart
Power density 204.4 Wp/m² 210.3 Wp/m² 5.9 Wp/m² higher
Rated power 445 Wp 455 Wp 10 W more power
Voltage at max power 40.80 V 35.27 V 5.53 V apart
Current at max power 10.67 A 12.90 A 2.23 A apart
Dimensions 2095x1039x40 mm 1908x1134x35 mm 2095x1039x40 mm vs 1908x1134x35 mm
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
144-MF26-445W
14,445 kWh
120-MF10-455W
14,770 kWh
Lifetime gap
325 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 144-MF26-445W 120-MF10-455W
Standard test conditions 25 °C 100.0% of rated power 445 W 455 W
Cool, bright day 40 °C 94.3% of rated power 420 W 431 W
Typical summer roof 55 °C 88.6% of rated power 394 W 407 W
Hot roof 70 °C 82.9% of rated power 369 W 383 W
03

Full specification

Parameter 144-MF26-445W 120-MF10-455W Difference
Power and efficiency
Rated power 445 Wp 455 Wp +10 W for 120-MF10-455W
Module efficiency 19.98 % 21.03 % +1.05 pp for 120-MF10-455W
Power density 204.4 Wp/m² 210.3 Wp/m² +5.9 Wp/m² for 120-MF10-455W
Open-circuit voltage 49.70 V 41.88 V 7.82 V apart
Voltage at max power 40.80 V 35.27 V 5.53 V apart
Short-circuit current 11.26 A 13.63 A 2.37 A apart
Current at max power 10.67 A 12.90 A 2.23 A apart
Temperature
Temperature coefficient -0.380 %/°C -0.350 %/°C +0.030 %/°C for 120-MF10-455W
Mechanical
Dimensions 2095x1039x40 mm 1908x1134x35 mm 2095x1039x40 mm vs 1908x1134x35 mm
Module area 2.177 m² 2.164 m² Effectively the same
Weight 24.1 kg 24.2 kg Effectively the same
Weight per kWp 54.2 kg/kWp 53.2 kg/kWp Effectively the same
Warranty and degradation
Product warranty 30 yrs 30 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.54 %/yr 0.54 %/yr Same
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 - Not published by Aptos Solar
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#12,293 vs #9,671
120-MF10-455W leads by 2,622 places
Power density
#11,529 vs #9,646
120-MF10-455W leads by 1,883 places
Heat behaviour
#13,397 vs #10,419
120-MF10-455W leads by 2,978 places
Weight
#8,367 vs #7,011
120-MF10-455W leads by 1,356 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#8,463 vs #6,750
120-MF10-455W leads by 1,713 places
05

More useful comparisons

Open the full database
Same series, other bin
Aptos Solar
Aptos Solar DNA-144-MF26-445W vs Aptos Solar DNA-144-MF26-450W
One difference: module efficiency
Same series, other bin
Aptos Solar
Aptos Solar DNA-120-MF10-455W vs Aptos Solar DNA-120-MF10-460W
One difference: module efficiency
Same series, other bin
Aptos Solar
Aptos Solar DNA-120-MF10-455W vs Aptos Solar DNA-120-MF10-450W
One difference: module efficiency
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Aptos Solar DNA-120-MF10-455W vs Aptos Solar DNA-120-MF10-445W
3 differences, the largest is module efficiency
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Aptos Solar DNA-144-MF26-445W vs Aptos Solar DNA-144-BF10-550W-DG
12 differences, the largest is module efficiency
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Aptos Solar DNA-144-MF26-445W vs Aptos Solar DNA-144-BF10-545W-DG
12 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Aptos Solar DNA-144-MF26-445W or Aptos Solar DNA-120-MF10-455W?
According to our database: Aptos Solar DNA-120-MF10-455 W has higher module efficiency (21.03% vs 19.98%); Aptos Solar DNA-120-MF10-455 W tolerates heat better (temp coeff -0.350%/°C vs -0.380%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Aptos Solar DNA-144-MF26-445W and Aptos Solar DNA-120-MF10-455W?
Aptos Solar DNA-144-MF26-445 W has a module efficiency of 19.98%, while Aptos Solar DNA-120-MF10-455 W is 21.03%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Aptos Solar DNA-144-MF26-445W use vs Aptos Solar DNA-120-MF10-455W?
Aptos Solar DNA-144-MF26-445 W uses PERC cells; Aptos Solar DNA-120-MF10-455 W 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 Aptos Solar DNA-144-MF26-445W and Aptos Solar DNA-120-MF10-455W?
Aptos Solar DNA-144-MF26-445 W has a 30 years power warranty; Aptos Solar DNA-120-MF10-455 W 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 8 Aptos Solar 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.