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DH108NA-435 vs DH108ND-445 10 of 19 identical Swap Change panels

DAS Solar DAS-DH108NA-435 vs DAS Solar DAS-DH108ND-445

DAS Solar
DAS-DH108NA-435
435 Wp 22.30 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
DAS Solar
DAS-DH108ND-445
445 Wp 21.80 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

DH108NA-435 leads on the differences that matter

The largest is module efficiency: 0.50 pp more efficient. 10 of 19 comparable parameters are identical.

See all 9 differences
How alike are they
10 of 19 comparable
parameters are identical
identical differs
01

What actually differs

9 of 19 parameters
Parameter DH108NA-435 DH108ND-445 Difference
Module efficiency 22.30 % 21.80 % 0.50 pp more efficient
Temperature coefficient -0.300 %/°C -0.280 %/°C 0.020 %/°C better in heat
Module area 1.953 m² 2.041 m² 0.088 m² apart
Power density 222.8 Wp/m² 218.0 Wp/m² 4.8 Wp/m² higher
Rated power 435 Wp 445 Wp 10 W more power
Weight 20.5 kg 21.7 kg 1.2 kg lighter
Short-circuit current 13.89 A 14.63 A 0.74 A apart
Dimensions 1722x1134x30 mm 1800x1134x30 mm 1722x1134x30 mm vs 1800x1134x30 mm
Current at max power 13.18 A 13.79 A 0.61 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
DH108NA-435
14,595 kWh
DH108ND-445
14,931 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario DH108NA-435 DH108ND-445
Standard test conditions 25 °C 100.0% of rated power 435 W 445 W
Cool, bright day 40 °C 95.5% of rated power 415 W 426 W
Typical summer roof 55 °C 91.0% of rated power 396 W 408 W
Hot roof 70 °C 86.5% of rated power 376 W 389 W
03

Full specification

Parameter DH108NA-435 DH108ND-445 Difference
Power and efficiency
Rated power 435 Wp 445 Wp +10 W for DH108ND-445
Module efficiency 22.30 % 21.80 % +0.50 pp for DH108NA-435
Power density 222.8 Wp/m² 218.0 Wp/m² +4.8 Wp/m² for DH108NA-435
Open-circuit voltage 38.72 V 39.00 V Effectively the same
Voltage at max power 33.01 V 32.28 V Effectively the same
Short-circuit current 13.89 A 14.63 A 0.74 A apart
Current at max power 13.18 A 13.79 A 0.61 A apart
Temperature
Temperature coefficient -0.300 %/°C -0.280 %/°C +0.020 %/°C for DH108ND-445
Mechanical
Dimensions 1722x1134x30 mm 1800x1134x30 mm 1722x1134x30 mm vs 1800x1134x30 mm
Module area 1.953 m² 2.041 m² 0.088 m² apart
Weight 20.5 kg 21.7 kg -1.2 kg for DH108NA-435
Weight per kWp 47.1 kg/kWp 48.8 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
#5,100 vs #7,022
DH108NA-435 leads by 1,922 places
Power density
#5,150 vs #7,007
DH108NA-435 leads by 1,857 places
Heat behaviour
#6,093 vs #1,309
DH108ND-445 leads by 4,784 places
Weight
#1,504 vs #2,451
DH108NA-435 leads by 947 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#6,870 vs #7,173
DH108NA-435 leads by 303 places
05

More useful comparisons

Open the full database
Same series, other bin
DAS Solar
DAS Solar DAS-DH108NA-435 vs DAS Solar DAS-DH108ND-460
8 differences, the largest is rated power
Same series, other bin
DAS Solar
DAS Solar DAS-DH108NA-435 vs DAS Solar DAS-DH108ND-455
7 differences, the largest is temperature coefficient
Same series, other bin
DAS Solar
DAS Solar DAS-DH108NA-435 vs DAS Solar DAS-DH108ND-450
8 differences, the largest is temperature coefficient
Same series, other bin
DAS Solar
DAS Solar DAS-DH108NA-435 vs DAS Solar DAS-DH108NA-445W
4 differences, the largest is module efficiency
Same series, other bin
DAS Solar
DAS Solar DAS-DH108NA-435 vs DAS Solar DAS-DH108ND-440
9 differences, the largest is module efficiency
Same series, other bin
DAS Solar
DAS Solar DAS-DH108NA-435 vs DAS Solar DAS-DH108NA-440W
2 differences, the largest is product warranty
06

Written summary

07

Questions about this pairing

Which panel is better: DAS Solar DAS-DH108NA-435 or DAS Solar DAS-DH108ND-445?
According to our database: DAS Solar DAS-DH108NA-435 has higher module efficiency (22.30% vs 21.80%); DAS Solar DAS-DH108ND-445 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-DH108NA-435 and DAS Solar DAS-DH108ND-445?
DAS Solar DAS-DH108NA-435 has a module efficiency of 22.30%, while DAS Solar DAS-DH108ND-445 is 21.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does DAS Solar DAS-DH108NA-435 use vs DAS Solar DAS-DH108ND-445?
DAS Solar DAS-DH108NA-435 uses TOPCon cells; DAS Solar DAS-DH108ND-445 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-DH108NA-435 and DAS Solar DAS-DH108ND-445?
DAS Solar DAS-DH108NA-435 has a 30 years power warranty; DAS Solar DAS-DH108ND-445 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-DH108NA-435 and DAS Solar DAS-DH108ND-445 bifacial panels?
Both DAS Solar DAS-DH108NA-435 and DAS Solar DAS-DH108ND-445 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.