Aptos Solar DNA-120-BF10-455W vs Aptos Solar DNA-120-BF26-370W
VS
The verdict
BF10-455W leads on the differences that matter
The largest is module efficiency: 0.75 pp more efficient. 9 of 19 comparable parameters are identical.
See all 10 differencesHow alike are they
9
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
10 of 19 parameters
What actually differs
Parameter
BF10-455W
BF26-370W
Difference
Module efficiency
21.03 %
20.28 %
0.75 pp more efficient
Rated power
455 Wp
370 Wp
85 W more power
Power density
210.3 Wp/m²
202.8 Wp/m²
7.5 Wp/m² higher
Weight
22.8 kg
19.5 kg
3.3 kg lighter
Short-circuit current
13.66 A
11.26 A
2.40 A apart
Module area
2.164 m²
1.824 m²
0.339 m² apart
Temperature coefficient
-0.350 %/°C
-0.360 %/°C
0.010 %/°C better in heat
Current at max power
12.89 A
10.72 A
2.17 A apart
Weight per kWp
50.0 kg/kWp
52.7 kg/kWp
2.7 kg/kWp lighter
Dimensions
1908x1134x35 mm
1756x1039x35 mm
1908x1134x35 mm vs 1756x1039x35 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
BF10-455W
14,770 kWh
BF26-370W
12,011 kWh
Lifetime gap
2,759 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
BF10-455W
BF26-370W
Standard test conditions
25 °C
100.0% of rated power
455 W
370 W
Cool, bright day
40 °C
94.6% of rated power
431 W
350 W
Typical summer roof
55 °C
89.2% of rated power
407 W
330 W
Hot roof
70 °C
83.8% of rated power
383 W
310 W
03
Full specification
Parameter
BF10-455W
BF26-370W
Difference
Power and efficiency
Rated power
455 Wp
370 Wp
+85 W for BF10-455W
Module efficiency
21.03 %
20.28 %
+0.75 pp for BF10-455W
Power density
210.3 Wp/m²
202.8 Wp/m²
+7.5 Wp/m² for BF10-455W
Open-circuit voltage
41.09 V
41.40 V
Effectively the same
Voltage at max power
35.29 V
34.50 V
Effectively the same
Short-circuit current
13.66 A
11.26 A
2.40 A apart
Current at max power
12.89 A
10.72 A
2.17 A apart
Temperature
Temperature coefficient
-0.350 %/°C
-0.360 %/°C
+0.010 %/°C for BF10-455W
Mechanical
Dimensions
1908x1134x35 mm
1756x1039x35 mm
1908x1134x35 mm vs 1756x1039x35 mm
Module area
2.164 m²
1.824 m²
0.339 m² apart
Weight
22.8 kg
19.5 kg
-3.3 kg for BF26-370W
Weight per kWp
50.0 kg/kWp
52.7 kg/kWp
-2.7 kg/kWp for BF10-455W
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
120
120
Same
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#9,671
vs
#11,853
BF10-455W leads by 2,182 places
Power density
#9,646
vs
#11,807
BF10-455W leads by 2,161 places
Heat behaviour
#10,419
vs
#12,345
BF10-455W leads by 1,926 places
Weight
#3,584
vs
#6,344
BF10-455W leads by 2,760 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#6,672
vs
#10,205
BF10-455W leads by 3,533 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: Aptos Solar DNA-120-BF10-455W or Aptos Solar DNA-120-BF26-370W?
According to our database: Aptos Solar DNA-120-BF10-455 W has higher module efficiency (21.03% vs 20.28%); Aptos Solar DNA-120-BF10-455 W tolerates heat better (temp coeff -0.350%/°C vs -0.360%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Aptos Solar DNA-120-BF10-455W and Aptos Solar DNA-120-BF26-370W?
Aptos Solar DNA-120-BF10-455 W has a module efficiency of 21.03%, while Aptos Solar DNA-120-BF26-370 W is 20.28%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Aptos Solar DNA-120-BF10-455W use vs Aptos Solar DNA-120-BF26-370W?
Aptos Solar DNA-120-BF10-455 W uses PERC cells; Aptos Solar DNA-120-BF26-370 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-120-BF10-455W and Aptos Solar DNA-120-BF26-370W?
Aptos Solar DNA-120-BF10-455 W has a 30 years power warranty; Aptos Solar DNA-120-BF26-370 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-120-BF10-455W and Aptos Solar DNA-120-BF26-370W bifacial panels?
Both Aptos Solar DNA-120-BF10-455 W and Aptos Solar DNA-120-BF26-370 W are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.
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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.