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DH108ND-450 vs DH108NA-435 11 of 19 identical Swap Change panels

DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108NA-435

DAS Solar
DAS-DH108ND-450
450 Wp 22.00 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
DAS Solar
DAS-DH108NA-435
435 Wp 22.30 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

8 differences, and they point both ways

The largest is temperature coefficient: 0.020 %/°C better in heat. 11 of 19 comparable parameters are identical.

See all 8 differences
How alike are they
11 of 19 comparable
parameters are identical
identical differs
01

What actually differs

8 of 19 parameters
Parameter DH108ND-450 DH108NA-435 Difference
Temperature coefficient -0.280 %/°C -0.300 %/°C 0.020 %/°C better in heat
Module area 2.041 m² 1.953 m² 0.088 m² apart
Module efficiency 22.00 % 22.30 % 0.30 pp more efficient
Rated power 450 Wp 435 Wp 15 W more power
Weight 21.7 kg 20.5 kg 1.2 kg lighter
Short-circuit current 14.68 A 13.89 A 0.79 A apart
Dimensions 1800x1134x30 mm 1722x1134x30 mm 1800x1134x30 mm vs 1722x1134x30 mm
Current at max power 13.86 A 13.18 A 0.68 A apart
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
DH108ND-450
15,098 kWh
DH108NA-435
14,595 kWh
Lifetime gap
503 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario DH108ND-450 DH108NA-435
Standard test conditions 25 °C 100.0% of rated power 450 W 435 W
Cool, bright day 40 °C 95.5% of rated power 431 W 415 W
Typical summer roof 55 °C 91.0% of rated power 412 W 396 W
Hot roof 70 °C 86.5% of rated power 393 W 376 W
03

Full specification

Parameter DH108ND-450 DH108NA-435 Difference
Power and efficiency
Rated power 450 Wp 435 Wp +15 W for DH108ND-450
Module efficiency 22.00 % 22.30 % +0.30 pp for DH108NA-435
Power density 220.5 Wp/m² 222.8 Wp/m² Effectively the same
Open-circuit voltage 39.18 V 38.72 V Effectively the same
Voltage at max power 32.47 V 33.01 V Effectively the same
Short-circuit current 14.68 A 13.89 A 0.79 A apart
Current at max power 13.86 A 13.18 A 0.68 A apart
Temperature
Temperature coefficient -0.280 %/°C -0.300 %/°C +0.020 %/°C for DH108ND-450
Mechanical
Dimensions 1800x1134x30 mm 1722x1134x30 mm 1800x1134x30 mm vs 1722x1134x30 mm
Module area 2.041 m² 1.953 m² 0.088 m² apart
Weight 21.7 kg 20.5 kg -1.2 kg for DH108NA-435
Weight per kWp 48.2 kg/kWp 47.1 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 25 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 108 108 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#6,517 vs #5,100
DH108NA-435 leads by 1,417 places
Power density
#6,236 vs #5,150
DH108NA-435 leads by 1,086 places
Heat behaviour
#1,309 vs #6,093
DH108ND-450 leads by 4,784 places
Weight
#2,116 vs #1,504
DH108NA-435 leads by 612 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#6,746 vs #6,870
DH108ND-450 leads by 124 places
05

More useful comparisons

Open the full database
Same series, other bin
DAS Solar
DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108ND-460
3 differences, the largest is module efficiency
Same series, other bin
DAS Solar
DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108ND-455
One difference: module efficiency
Same series, other bin
DAS Solar
DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108ND-445
One difference: module efficiency
Same series, other bin
DAS Solar
DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108NA-445W
11 differences, the largest is module efficiency
Same series, other bin
DAS Solar
DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108ND-440
3 differences, the largest is module efficiency
Same series, other bin
DAS Solar
DAS Solar DAS-DH108ND-450 vs DAS Solar DAS-DH108NA-440W
10 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: DAS Solar DAS-DH108ND-450 or DAS Solar DAS-DH108NA-435?
According to our database: DAS Solar DAS-DH108NA-435 has higher module efficiency (22.30% vs 22.00%); DAS Solar DAS-DH108ND-450 tolerates heat better (temp coeff -0.280%/°C vs -0.300%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of DAS Solar DAS-DH108ND-450 and DAS Solar DAS-DH108NA-435?
DAS Solar DAS-DH108ND-450 has a module efficiency of 22.00%, while DAS Solar DAS-DH108NA-435 is 22.30%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does DAS Solar DAS-DH108ND-450 use vs DAS Solar DAS-DH108NA-435?
DAS Solar DAS-DH108ND-450 uses TOPCon cells; DAS Solar DAS-DH108NA-435 uses TOPCon. 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 DAS Solar DAS-DH108ND-450 and DAS Solar DAS-DH108NA-435?
DAS Solar DAS-DH108ND-450 has a 30 years power warranty; DAS Solar DAS-DH108NA-435 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 DAS Solar DAS-DH108ND-450 and DAS Solar DAS-DH108NA-435 bifacial panels?
Both DAS Solar DAS-DH108ND-450 and DAS Solar DAS-DH108NA-435 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.