DAH Solar DAS-DH132NC-715 vs DAH Solar DHN-66Y18/DG-720
VS
The verdict
DHN-66Y18/DG-720 leads on the differences that matter
The largest is temperature coefficient: 0.010 %/°C better in heat. 15 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.
See all 3 differencesHow alike are they
15
of 18 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
3 of 18 parameters
What actually differs
Parameter
DAS-DH132NC-715
DHN-66Y18/DG-720
Difference
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
Weight per kWp
53.6 kg/kWp
51.0 kg/kWp
2.6 kg/kWp lighter
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-715
23,990 kWh
DHN-66Y18/DG-720
24,157 kWh
Lifetime gap
167 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
DAS-DH132NC-715
DHN-66Y18/DG-720
Standard test conditions
25 °C
100.0% of rated power
715 W
720 W
Cool, bright day
40 °C
95.7% of rated power
685 W
689 W
Typical summer roof
55 °C
91.3% of rated power
655 W
657 W
Hot roof
70 °C
87.0% of rated power
625 W
626 W
03
Full specification
Parameter
DAS-DH132NC-715
DHN-66Y18/DG-720
Difference
Power and efficiency
Rated power
715 Wp
720 Wp
Effectively the same
Module efficiency
23.00 %
23.18 %
Effectively the same
Power density
230.2 Wp/m²
231.8 Wp/m²
Effectively the same
Open-circuit voltage
49.08 V
48.40 V
Effectively the same
Voltage at max power
40.98 V
40.80 V
Effectively the same
Short-circuit current
18.47 A
18.73 A
Effectively the same
Current at max power
17.45 A
17.65 A
Effectively the same
Temperature
Temperature coefficient
-0.280 %/°C
-0.290 %/°C
+0.010 %/°C for DAS-DH132NC-715
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-720
Weight per kWp
53.6 kg/kWp
51.0 kg/kWp
-2.6 kg/kWp for DHN-66Y18/DG-720
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
14,129 panels
Against the whole database
Efficiency
#1,970
vs
#1,468
DHN-66Y18/DG-720 leads by 502 places
Power density
#2,070
vs
#1,390
DHN-66Y18/DG-720 leads by 680 places
Heat behaviour
#1,347
vs
#2,220
DAS-DH132NC-715 leads by 873 places
Weight
#7,635
vs
#4,356
DHN-66Y18/DG-720 leads by 3,279 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#457
vs
#352
DHN-66Y18/DG-720 leads by 105 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: DAH Solar DAS-DH132NC-715 or DAH Solar DHN-66Y18/DG-720?
According to our database: DAH Solar DHN-66Y18/DG-720 has higher module efficiency (23.18% vs 23.00%); DAH Solar DAS-DH132NC-715 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-715 and DAH Solar DHN-66Y18/DG-720?
DAH Solar DAS-DH132NC-715 has a module efficiency of 23.00%, while DAH Solar DHN-66Y18/DG-720 is 23.18%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does DAH Solar DAS-DH132NC-715 use vs DAH Solar DHN-66Y18/DG-720?
DAH Solar DAS-DH132NC-715 uses TOPCon cells; DAH Solar DHN-66Y18/DG-720 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-715 and DAH Solar DHN-66Y18/DG-720?
DAH Solar DAS-DH132NC-715 has a 30 years power warranty; DAH Solar DHN-66Y18/DG-720 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-715 and DAH Solar DHN-66Y18/DG-720 bifacial panels?
Both DAH Solar DAS-DH132NC-715 and DAH Solar DHN-66Y18/DG-720 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.