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450 vs 445 18 of 19 identical Swap Change panels

Runergy HY-DH108N8B-450 vs Runergy HY-DH108N8B-445

Runergy
HY-DH108N8B-450
450 Wp 23.00 % N-type Bifacial
Open panel page Datasheet PDF
VS
Runergy
HY-DH108N8B-445
445 Wp 22.80 % N-type Bifacial
Open panel page Datasheet PDF
The verdict

450 leads on the differences that matter

The largest is module efficiency: 0.20 pp more efficient. 18 of 19 comparable parameters are identical.

See the one difference
How alike are they
18 of 19 comparable
parameters are identical
identical differs
01

What actually differs

1 of 19 parameters
Parameter 450 445 Difference
Module efficiency 23.00 % 22.80 % 0.20 pp more efficient
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.
450
15,098 kWh
445
14,931 kWh
Lifetime gap
167 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 450 445
Standard test conditions 25 °C 100.0% of rated power 450 W 445 W
Cool, bright day 40 °C 95.7% of rated power 430 W 426 W
Typical summer roof 55 °C 91.3% of rated power 411 W 406 W
Hot roof 70 °C 87.0% of rated power 391 W 387 W
03

Full specification

Parameter 450 445 Difference
Power and efficiency
Rated power 450 Wp 445 Wp Effectively the same
Module efficiency 23.00 % 22.80 % +0.20 pp for 450
Power density 230.4 Wp/m² 227.9 Wp/m² Effectively the same
Open-circuit voltage 39.79 V 39.35 V Effectively the same
Voltage at max power 33.22 V 33.39 V Effectively the same
Short-circuit current 14.00 A 13.96 A Effectively the same
Current at max power 13.55 A 13.33 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1722x1134x30 mm 1722x1134x30 mm Same
Module area 1.953 m² 1.953 m² Same
Weight 24.2 kg 24.2 kg Same
Weight per kWp 53.8 kg/kWp 54.4 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology N-type N-type Same
Cell type Monocrystalline Monocrystalline Same
Cell count 108 108 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#1,919 vs #2,714
450 leads by 795 places
Power density
#1,708 vs #2,790
450 leads by 1,082 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#7,840 vs #8,683
450 leads by 843 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#8,581 vs #8,970
450 leads by 389 places
05

More useful comparisons

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Runergy HY-DH108N8B-450 vs Runergy HY-DH108N8-450
The same specification on paper
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Runergy HY-DH108N8B-450 vs Runergy HY-DH108N8-445
One difference: module efficiency
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Runergy HY-DH108N8B-450 vs Runergy HY-DH108N8B-440
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Runergy HY-DH108N8B-450 vs Runergy HY-DH108N8-440
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Runergy HY-DH108N8B-450 vs Runergy HY-DH108N8B-435
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Runergy HY-DH108N8B-450 vs Runergy HY-DH108N8-435
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06

Written summary

07

Questions about this pairing

Which panel is better: Runergy HY-DH108N8B-450 or Runergy HY-DH108N8B-445?
According to our database: Runergy HY-DH108N8B-450 has higher module efficiency (23.00% vs 22.80%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Runergy HY-DH108N8B-450 and Runergy HY-DH108N8B-445?
Runergy HY-DH108N8B-450 has a module efficiency of 23.00%, while Runergy HY-DH108N8B-445 is 22.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Runergy HY-DH108N8B-450 use vs Runergy HY-DH108N8B-445?
Runergy HY-DH108N8B-450 uses N-type cells; Runergy HY-DH108N8B-445 uses N-type. 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 Runergy HY-DH108N8B-450 and Runergy HY-DH108N8B-445?
Runergy HY-DH108N8B-450 has a 30 years power warranty; Runergy HY-DH108N8B-445 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 Runergy HY-DH108N8B-450 and Runergy HY-DH108N8B-445 bifacial panels?
Both Runergy HY-DH108N8B-450 and Runergy HY-DH108N8B-445 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.