Aptos Solar DNA-144-BF10-545W-DG vs Aptos Solar DNA-144-MF26-450W
VS
The verdict
BF10-545W-DG leads on the differences that matter
The largest is module efficiency: 0.88 pp more efficient. 7 of 19 comparable parameters are identical.
See all 12 differencesHow alike are they
7
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
12 of 19 parameters
What actually differs
Parameter
BF10-545W-DG
MF26-450W
Difference
Module efficiency
21.09 %
20.21 %
0.88 pp more efficient
Temperature coefficient
-0.335 %/°C
-0.380 %/°C
0.045 %/°C better in heat
Rated power
545 Wp
450 Wp
95 W more power
Weight
32.3 kg
24.1 kg
8.2 kg lighter
Weight per kWp
59.3 kg/kWp
53.6 kg/kWp
5.7 kg/kWp lighter
Short-circuit current
13.92 A
11.33 A
2.59 A apart
Module area
2.583 m²
2.177 m²
0.407 m² apart
Power density
211.0 Wp/m²
206.7 Wp/m²
4.2 Wp/m² higher
Current at max power
12.38 A
10.74 A
1.64 A apart
Voltage at max power
44.00 V
41.00 V
3.00 V apart
Bifacial
Yes
No
Yes vs No
Dimensions
2278x1134x35 mm
2095x1039x40 mm
2278x1134x35 mm vs 2095x1039x40 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
BF10-545W-DG
17,697 kWh
MF26-450W
14,608 kWh
Lifetime gap
3,089 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
BF10-545W-DG
MF26-450W
Standard test conditions
25 °C
100.0% of rated power
545 W
450 W
Cool, bright day
40 °C
94.3% of rated power
518 W
424 W
Typical summer roof
55 °C
88.6% of rated power
490 W
399 W
Hot roof
70 °C
82.9% of rated power
463 W
373 W
03
Full specification
Parameter
BF10-545W-DG
MF26-450W
Difference
Power and efficiency
Rated power
545 Wp
450 Wp
+95 W for BF10-545W-DG
Module efficiency
21.09 %
20.21 %
+0.88 pp for BF10-545W-DG
Power density
211.0 Wp/m²
206.7 Wp/m²
+4.2 Wp/m² for BF10-545W-DG
Open-circuit voltage
49.65 V
49.90 V
Effectively the same
Voltage at max power
44.00 V
41.00 V
3.00 V apart
Short-circuit current
13.92 A
11.33 A
2.59 A apart
Current at max power
12.38 A
10.74 A
1.64 A apart
Temperature
Temperature coefficient
-0.335 %/°C
-0.380 %/°C
+0.045 %/°C for BF10-545W-DG
Mechanical
Dimensions
2278x1134x35 mm
2095x1039x40 mm
2278x1134x35 mm vs 2095x1039x40 mm
Module area
2.583 m²
2.177 m²
0.407 m² apart
Weight
32.3 kg
24.1 kg
-8.2 kg for MF26-450W
Weight per kWp
59.3 kg/kWp
53.6 kg/kWp
-5.7 kg/kWp for MF26-450W
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
144
Same
Bifacial
Yes
No
Yes vs No
04
14,005 panels
Against the whole database
Efficiency
#9,519
vs
#11,945
BF10-545W-DG leads by 2,426 places
Power density
#9,312
vs
#10,918
BF10-545W-DG leads by 1,606 places
Heat behaviour
#8,753
vs
#13,397
BF10-545W-DG leads by 4,644 places
Weight
#12,093
vs
#7,554
MF26-450W leads by 4,539 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#3,650
vs
#7,964
BF10-545W-DG leads by 4,314 places
05
Open the full database
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06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Aptos Solar DNA-144-BF10-545W-DG or Aptos Solar DNA-144-MF26-450W?
According to our database: Aptos Solar DNA-144-BF10-545 W-DG has higher module efficiency (21.09% vs 20.21%); Aptos Solar DNA-144-BF10-545 W-DG tolerates heat better (temp coeff -0.335%/°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-BF10-545W-DG and Aptos Solar DNA-144-MF26-450W?
Aptos Solar DNA-144-BF10-545 W-DG has a module efficiency of 21.09%, while Aptos Solar DNA-144-MF26-450 W is 20.21%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Aptos Solar DNA-144-BF10-545W-DG use vs Aptos Solar DNA-144-MF26-450W?
Aptos Solar DNA-144-BF10-545 W-DG uses PERC cells; Aptos Solar DNA-144-MF26-450 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-BF10-545W-DG and Aptos Solar DNA-144-MF26-450W?
Aptos Solar DNA-144-BF10-545 W-DG has a 30 years power warranty; Aptos Solar DNA-144-MF26-450 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.
Are Aptos Solar DNA-144-BF10-545W-DG and Aptos Solar DNA-144-MF26-450W bifacial panels?
Aptos Solar DNA-144-BF10-545 W-DG is bifacial (captures light from both faces); Aptos Solar DNA-144-MF26-450 W is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.
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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.