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460M-108BDGN vs 445M-108BDGN 16 of 19 identical Swap Change panels

Ulica Solar UL-460M-108BDGN vs Ulica Solar UL-445M-108BDGN

Ulica Solar UL-460M-108BDGN
Ulica Solar
UL-460M-108BDGN
460 Wp 23.02 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Ulica Solar UL-445M-108BDGN
Ulica Solar
UL-445M-108BDGN
445 Wp 22.27 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

460M-108BDGN leads on the differences that matter

The largest is module efficiency: 0.75 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences
How alike are they
16 of 19 comparable
parameters are identical
identical differs
01

What actually differs

3 of 19 parameters
Parameter 460M-108BDGN 445M-108BDGN Difference
Module efficiency 23.02 % 22.27 % 0.75 pp more efficient
Power density 230.2 Wp/m² 222.7 Wp/m² 7.5 Wp/m² higher
Rated power 460 Wp 445 Wp 15 W more power
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
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.
460M-108BDGN
15,434 kWh
445M-108BDGN
14,931 kWh
Lifetime gap
503 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 460M-108BDGN 445M-108BDGN
Standard test conditions 25 °C 100.0% of rated power 460 W 445 W
Cool, bright day 40 °C 95.7% of rated power 440 W 426 W
Typical summer roof 55 °C 91.3% of rated power 420 W 406 W
Hot roof 70 °C 87.0% of rated power 400 W 387 W
03

Full specification

Parameter 460M-108BDGN 445M-108BDGN Difference
Power and efficiency
Rated power 460 Wp 445 Wp +15 W for 460M-108BDGN
Module efficiency 23.02 % 22.27 % +0.75 pp for 460M-108BDGN
Power density 230.2 Wp/m² 222.7 Wp/m² +7.5 Wp/m² for 460M-108BDGN
Open-circuit voltage 40.18 V 39.58 V Effectively the same
Voltage at max power 33.63 V 33.02 V Effectively the same
Short-circuit current 14.46 A 14.30 A Effectively the same
Current at max power 13.68 A 13.48 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1762x1134x30 mm 1762x1134x30 mm Same
Module area 1.998 m² 1.998 m² Same
Weight 24.0 kg 24.0 kg Same
Weight per kWp 52.2 kg/kWp 53.9 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 108 108 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#1,797 vs #5,481
460M-108BDGN leads by 3,684 places
Power density
#1,876 vs #5,302
460M-108BDGN leads by 3,426 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#5,637 vs #8,086
460M-108BDGN leads by 2,449 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#7,424 vs #8,949
460M-108BDGN leads by 1,525 places
05

More useful comparisons

Open the full database
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Ulica Solar UL-460M-108BDGN vs Ulica Solar UL-505M-120BDGN
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Ulica Solar UL-460M-108BDGN vs Ulica Solar UL-500M-120BDGN
9 differences, the largest is rated power
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Ulica Solar UL-460M-108BDGN vs Ulica Solar UL-495M-120BDGN
9 differences, the largest is module efficiency
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Ulica Solar UL-460M-108BDGN vs Ulica Solar UL-490M-120BDGN
9 differences, the largest is module efficiency
Same series, other bin
Ulica Solar
Ulica Solar UL-460M-108BDGN vs Ulica Solar UL-455M-108BDGN
One difference: module efficiency
Same series, other bin
Ulica Solar
Ulica Solar UL-460M-108BDGN vs Ulica Solar UL-450M-108BDGN
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Ulica Solar UL-460M-108BDGN or Ulica Solar UL-445M-108BDGN?
According to our database: Ulica Solar UL-460M-108BDGN has higher module efficiency (23.02% vs 22.27%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Ulica Solar UL-460M-108BDGN and Ulica Solar UL-445M-108BDGN?
Ulica Solar UL-460M-108BDGN has a module efficiency of 23.02%, while Ulica Solar UL-445M-108BDGN is 22.27%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Ulica Solar UL-460M-108BDGN use vs Ulica Solar UL-445M-108BDGN?
Ulica Solar UL-460M-108BDGN uses TOPCon cells; Ulica Solar UL-445M-108BDGN 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 Ulica Solar UL-460M-108BDGN and Ulica Solar UL-445M-108BDGN?
Ulica Solar UL-460M-108BDGN has a 30 years power warranty; Ulica Solar UL-445M-108BDGN 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 Ulica Solar UL-460M-108BDGN and Ulica Solar UL-445M-108BDGN bifacial panels?
Both Ulica Solar UL-460M-108BDGN and Ulica Solar UL-445M-108BDGN 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.