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595W vs 600W 18 of 18 identical Swap Change panels

DAH Solar DHN-66Z20/DG(BW)-595W vs DAH Solar DHN-66Z20/DG(BW)-600W

DAH Solar
DHN-66Z20/DG(BW)-595W
595 Wp 22.03 % TOPCon Bifacial Incomplete
Open panel page Datasheet PDF
VS
DAH Solar
DHN-66Z20/DG(BW)-600W
600 Wp 22.21 % TOPCon Bifacial Incomplete
Open panel page Datasheet PDF
The verdict

Identical on every published parameter

All 18 comparable parameters agree, with 1 more left out because at least one datasheet does not publish it. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from.

How alike are they
18 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

0 of 18 parameters

Every comparable parameter agrees. The full specification is below.

02

What it means on a roof

Thirty years of production
Declared first-year losses, with 0.40% a year afterwards assumed for both panels, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
595W
19,963 kWh
600W
20,131 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 595W 600W
Standard test conditions 25 °C 100.0% of rated power 595 W 600 W
Cool, bright day 40 °C 95.7% of rated power 569 W 574 W
Typical summer roof 55 °C 91.3% of rated power 543 W 548 W
Hot roof 70 °C 87.0% of rated power 517 W 522 W
03

Full specification

Parameter 595W 600W Difference
Power and efficiency
Rated power 595 Wp 600 Wp Effectively the same
Module efficiency 22.03 % 22.21 % Effectively the same
Power density 220.3 Wp/m² 222.1 Wp/m² Effectively the same
Open-circuit voltage 47.40 V 47.60 V Effectively the same
Voltage at max power 40.10 V 40.10 V Same
Short-circuit current 15.64 A 15.64 A Same
Current at max power 14.77 A 14.80 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 2382x1134x30 mm 2382x1134x30 mm Same
Module area 2.701 m² 2.701 m² Same
Weight 32.5 kg 32.5 kg Same
Weight per kWp 54.6 kg/kWp 54.2 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation - - Neither datasheet publishes this
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#6,306 vs #5,754
600W leads by 552 places
Power density
#6,299 vs #5,783
600W leads by 516 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#8,977 vs #8,370
600W leads by 607 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#3,905 vs #3,531
600W leads by 374 places
05

More useful comparisons

Open the full database
Same series, other bin
DAH Solar
DAH Solar DHN-66Z20/DG(BW)-595W vs DAH Solar DHN-66Z20/DG(BW)-625W
6 differences, the largest is module efficiency
Same series, other bin
DAH Solar
DAH Solar DHN-66Z20/DG(BW)-595W vs DAH Solar DHN-66Z20/DG(BW)-620W
4 differences, the largest is module efficiency
Same series, other bin
DAH Solar
DAH Solar DHN-66Z20/DG(BW)-595W vs DAH Solar DHN-66Z20/DG(BW)-615W
3 differences, the largest is module efficiency
Same series, other bin
DAH Solar
DAH Solar DHN-66Z20/DG(BW)-595W vs DAH Solar DHN-66Z20/DG(BW)-610W
3 differences, the largest is module efficiency
Same series, other bin
DAH Solar
DAH Solar DHN-66Z20/DG(BW)-595W vs DAH Solar DHN-66Z20/DG(BW)-605W
3 differences, the largest is module efficiency
Same series, other bin
DAH Solar
DAH Solar DHN-66Z20/DG(BW)-595W vs DAH Solar DHN-66Z20/DG(BW)-590W
The same specification on paper
06

Written summary

07

Questions about this pairing

Which panel is better: DAH Solar DHN-66Z20/DG(BW)-595W or DAH Solar DHN-66Z20/DG(BW)-600W?
According to our database: DAH Solar DHN-66Z20/DG(BW)-600 W has higher module efficiency (22.21% vs 22.03%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of DAH Solar DHN-66Z20/DG(BW)-595W and DAH Solar DHN-66Z20/DG(BW)-600W?
DAH Solar DHN-66Z20/DG(BW)-595 W has a module efficiency of 22.03%, while DAH Solar DHN-66Z20/DG(BW)-600 W is 22.21%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does DAH Solar DHN-66Z20/DG(BW)-595W use vs DAH Solar DHN-66Z20/DG(BW)-600W?
DAH Solar DHN-66Z20/DG(BW)-595 W uses TOPCon cells; DAH Solar DHN-66Z20/DG(BW)-600 W 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 DHN-66Z20/DG(BW)-595W and DAH Solar DHN-66Z20/DG(BW)-600W?
DAH Solar DHN-66Z20/DG(BW)-595 W has a 30 years power warranty; DAH Solar DHN-66Z20/DG(BW)-600 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 DAH Solar DHN-66Z20/DG(BW)-595W and DAH Solar DHN-66Z20/DG(BW)-600W bifacial panels?
Both DAH Solar DHN-66Z20/DG(BW)-595 W and DAH Solar DHN-66Z20/DG(BW)-600 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.

Shop prices: See 12 DAH Solar offers

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.