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DAS-DH132NC-710 vs DHN-66Y18/DG-700 12 of 18 identical Swap Change panels

DAH Solar DAS-DH132NC-710 vs DAH Solar DHN-66Y18/DG-700

DAH Solar
DAS-DH132NC-710
710 Wp 22.90 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
DAH Solar
DHN-66Y18/DG-700
700 Wp 22.53 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

DAS-DH132NC-710 leads on the differences that matter

The largest is module efficiency: 0.37 pp more efficient. 12 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 6 differences
How alike are they
12 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 18 parameters
Parameter DAS-DH132NC-710 DHN-66Y18/DG-700 Difference
Module efficiency 22.90 % 22.53 % 0.37 pp more efficient
Temperature coefficient -0.280 %/°C -0.290 %/°C 0.010 %/°C better in heat
Weight 38.3 kg 36.7 kg 1.6 kg lighter
Power density 228.6 Wp/m² 225.3 Wp/m² 3.2 Wp/m² higher
Rated power 710 Wp 700 Wp 10 W more power
Open-circuit voltage 48.92 V 47.60 V 1.32 V 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
DAS-DH132NC-710
23,822 kWh
DHN-66Y18/DG-700
23,486 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario DAS-DH132NC-710 DHN-66Y18/DG-700
Standard test conditions 25 °C 100.0% of rated power 710 W 700 W
Cool, bright day 40 °C 95.7% of rated power 680 W 670 W
Typical summer roof 55 °C 91.3% of rated power 650 W 639 W
Hot roof 70 °C 87.0% of rated power 621 W 609 W
03

Full specification

Parameter DAS-DH132NC-710 DHN-66Y18/DG-700 Difference
Power and efficiency
Rated power 710 Wp 700 Wp +10 W for DAS-DH132NC-710
Module efficiency 22.90 % 22.53 % +0.37 pp for DAS-DH132NC-710
Power density 228.6 Wp/m² 225.3 Wp/m² +3.2 Wp/m² for DAS-DH132NC-710
Open-circuit voltage 48.92 V 47.60 V 1.32 V apart
Voltage at max power 40.81 V 40.00 V Effectively the same
Short-circuit current 18.42 A 18.49 A Effectively the same
Current at max power 17.40 A 17.50 A Effectively the same
Temperature
Temperature coefficient -0.280 %/°C -0.290 %/°C +0.010 %/°C for DAS-DH132NC-710
Mechanical
Dimensions 2384x1303x33 mm 2384x1303x33 mm Same
Module area 3.106 m² 3.106 m² Same
Weight 38.3 kg 36.7 kg -1.6 kg for DHN-66Y18/DG-700
Weight per kWp 53.9 kg/kWp 52.4 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 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 - 132 Not published by DAH Solar
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#2,412 vs #4,041
DAS-DH132NC-710 leads by 1,629 places
Power density
#2,529 vs #4,048
DAS-DH132NC-710 leads by 1,519 places
Heat behaviour
#1,347 vs #2,220
DAS-DH132NC-710 leads by 873 places
Weight
#8,201 vs #5,980
DHN-66Y18/DG-700 leads by 2,221 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#586 vs #925
DAS-DH132NC-710 leads by 339 places
05

More useful comparisons

Open the full database
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DAH Solar DAS-DH132NC-710 vs DAH Solar DAS-DH132NC-705
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DAH Solar DAS-DH132NC-710 vs DAH Solar DAS-DH132NC-700
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3 differences, the largest is module efficiency
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5 differences, the largest is module efficiency
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DAH Solar DHN-66Y18/DG-700 vs DAH Solar DHN-66Y18/DG-720
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: DAH Solar DAS-DH132NC-710 or DAH Solar DHN-66Y18/DG-700?
According to our database: DAH Solar DAS-DH132NC-710 has higher module efficiency (22.90% vs 22.53%); DAH Solar DAS-DH132NC-710 tolerates heat better (temp coeff -0.280%/°C vs -0.290%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of DAH Solar DAS-DH132NC-710 and DAH Solar DHN-66Y18/DG-700?
DAH Solar DAS-DH132NC-710 has a module efficiency of 22.90%, while DAH Solar DHN-66Y18/DG-700 is 22.53%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does DAH Solar DAS-DH132NC-710 use vs DAH Solar DHN-66Y18/DG-700?
DAH Solar DAS-DH132NC-710 uses TOPCon cells; DAH Solar DHN-66Y18/DG-700 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 DAH Solar DAS-DH132NC-710 and DAH Solar DHN-66Y18/DG-700?
DAH Solar DAS-DH132NC-710 has a 30 years power warranty; DAH Solar DHN-66Y18/DG-700 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 DAH Solar DAS-DH132NC-710 and DAH Solar DHN-66Y18/DG-700 bifacial panels?
Both DAH Solar DAS-DH132NC-710 and DAH Solar DHN-66Y18/DG-700 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.