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450W vs 460 15 of 18 identical Swap Change panels

DAH Solar DHM-60X10/FS(BW)-450W vs DAH Solar DHM-60X10/FS(BW)-460

DAH Solar
DHM-60X10/FS(BW)-450W
450 Wp 20.85 % PERC Incomplete
Open panel page Datasheet PDF
VS
DAH Solar
DHM-60X10/FS(BW)-460
460 Wp 21.32 % PERC
Open panel page Datasheet PDF
The verdict

460 leads on the differences that matter

The largest is module efficiency: 0.47 pp more efficient. 15 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 3 differences
How alike are they
15 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

3 of 18 parameters
Parameter 450W 460 Difference
Module efficiency 20.85 % 21.32 % 0.47 pp more efficient
Power density 208.5 Wp/m² 213.2 Wp/m² 4.6 Wp/m² higher
Rated power 450 Wp 460 Wp 10 W more power
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 (-0.350 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
450W
14,936 kWh
460
15,268 kWh
Lifetime gap
332 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 450W 460
Standard test conditions 25 °C 100.0% of rated power 450 W 460 W
Cool, bright day 40 °C 94.8% of rated power 426 W 436 W
Typical summer roof 55 °C 89.5% of rated power 403 W 412 W
Hot roof 70 °C 84.2% of rated power 379 W 388 W
03

Full specification

Parameter 450W 460 Difference
Power and efficiency
Rated power 450 Wp 460 Wp +10 W for 460
Module efficiency 20.85 % 21.32 % +0.47 pp for 460
Power density 208.5 Wp/m² 213.2 Wp/m² +4.6 Wp/m² for 460
Open-circuit voltage 41.60 V 42.00 V Effectively the same
Voltage at max power 35.20 V 35.60 V Effectively the same
Short-circuit current 13.66 A 13.78 A Effectively the same
Current at max power 12.78 A 12.92 A Effectively the same
Temperature
Temperature coefficient -0.350 %/°C -0.350 %/°C Same
Mechanical
Dimensions 1903x1134x32 mm 1903x1134x32 mm Same
Module area 2.158 m² 2.158 m² Same
Weight 23.8 kg 23.8 kg Same
Weight per kWp 52.9 kg/kWp 51.7 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 25 yrs 25 yrs Same
Annual degradation - 0.55 %/yr Not published by DAH Solar
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 120 120 Same
Bifacial No No Same
04

Against the whole database

14,129 panels
Efficiency
#10,438 vs #8,551
460 leads by 1,887 places
Power density
#10,415 vs #8,517
460 leads by 1,898 places
Heat behaviour
#10,489 vs #10,489
Tied - the same position in the database
Weight
#6,656 vs #5,128
460 leads by 1,528 places
Warranty
#9,912 vs #9,912
Tied - the same position in the database
Overall
#11,109 vs #10,594
460 leads by 515 places
05

More useful comparisons

Open the full database
Same series, other bin
DAH Solar
DAH Solar DHM-60X10/FS(BW)-450W vs DAH Solar DHM-60X10/FS(BW)-460W
3 differences, the largest is module efficiency
Same series, other bin
DAH Solar
DAH Solar DHM-60X10/FS(BW)-450W vs DAH Solar DHM-60X10/FS(BW)-455W
One difference: module efficiency
Same series, other bin
DAH Solar
DAH Solar DHM-60X10/FS(BW)-450W vs DAH Solar DHM-60X10/FS(BW)-455
One difference: module efficiency
Same series, other bin
DAH Solar
DAH Solar DHM-60X10/FS(BW)-450W vs DAH Solar DHM-60X10/FS(BW)-450
The same specification on paper
Same series, other bin
DAH Solar
DAH Solar DHM-60X10/FS(BW)-450W vs DAH Solar DHM-60X10/FS(BW)-445W
One difference: module efficiency
Same series, other bin
DAH Solar
DAH Solar DHM-60X10/FS(BW)-450W vs DAH Solar DHM-60X10/FS(BW)-445
One difference: module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: DAH Solar DHM-60X10/FS(BW)-450W or DAH Solar DHM-60X10/FS(BW)-460?
According to our database: DAH Solar DHM-60X10/FS(BW)-460 has higher module efficiency (21.32% vs 20.85%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of DAH Solar DHM-60X10/FS(BW)-450W and DAH Solar DHM-60X10/FS(BW)-460?
DAH Solar DHM-60X10/FS(BW)-450 W has a module efficiency of 20.85%, while DAH Solar DHM-60X10/FS(BW)-460 is 21.32%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does DAH Solar DHM-60X10/FS(BW)-450W use vs DAH Solar DHM-60X10/FS(BW)-460?
DAH Solar DHM-60X10/FS(BW)-450 W uses PERC cells; DAH Solar DHM-60X10/FS(BW)-460 uses PERC. 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 DHM-60X10/FS(BW)-450W and DAH Solar DHM-60X10/FS(BW)-460?
DAH Solar DHM-60X10/FS(BW)-450 W has a 25 years power warranty; DAH Solar DHM-60X10/FS(BW)-460 has a 25 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.

Shop prices: See 8 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.