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(455W) vs (450W) 18 of 19 identical Swap Change panels

Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W) vs Jinko Solar JKM430-455N-54HL4R-B-F8-EN (450W)

Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W)
JKM430-455N-54HL4R-B-F8-EN (455W)
455 Wp 22.77 % TOPCon
Open panel page Datasheet PDF
VS
Jinko Solar JKM430-455N-54HL4R-B-F8-EN (450W)
JKM430-455N-54HL4R-B-F8-EN (450W)
450 Wp 22.52 % TOPCon
Open panel page Datasheet PDF
The verdict

(455W) leads on the differences that matter

The largest is module efficiency: 0.25 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 (455W) (450W) Difference
Module efficiency 22.77 % 22.52 % 0.25 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.
(455W)
15,266 kWh
(450W)
15,098 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario (455W) (450W)
Standard test conditions 25 °C 100.0% of rated power 455 W 450 W
Cool, bright day 40 °C 95.7% of rated power 435 W 430 W
Typical summer roof 55 °C 91.3% of rated power 415 W 411 W
Hot roof 70 °C 87.0% of rated power 396 W 391 W
03

Full specification

Parameter (455W) (450W) Difference
Power and efficiency
Rated power 455 Wp 450 Wp Effectively the same
Module efficiency 22.77 % 22.52 % +0.25 pp for (455W)
Power density 227.7 Wp/m² 225.2 Wp/m² Effectively the same
Open-circuit voltage 40.17 V 39.97 V Effectively the same
Voltage at max power 33.58 V 33.39 V Effectively the same
Short-circuit current 14.01 A 13.94 A Effectively the same
Current at max power 13.55 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 21.0 kg 21.0 kg Same
Weight per kWp 46.2 kg/kWp 46.7 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 25 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 No No Same
04

Against the whole database

14,129 panels
Efficiency
#3,129 vs #4,167
(455W) leads by 1,038 places
Power density
#2,943 vs #4,284
(455W) leads by 1,341 places
Heat behaviour
#2,220 vs #2,220
Tied - the same position in the database
Weight
#1,016 vs #1,258
(455W) leads by 242 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#5,614 vs #6,057
(455W) leads by 443 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W) vs Jinko Solar JKM455N-54HL4R-B-F8-EN
The same specification on paper
Same series, other bin
Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W) vs Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W bin)
One difference: cell technology
Same series, other bin
Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W) vs Jinko Solar JKM450N-54HL4R-B-F8-EN
One difference: module efficiency
Same series, other bin
Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W) vs Jinko Solar JKM430-455N-54HL4R-B-F8-EN (450W bin)
2 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W) vs Jinko Solar JKM430-455N-54HL4R-B-F8-EN (445W)
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W) vs Jinko Solar JKM445N-54HL4R-B-F8-EN
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W) or Jinko Solar JKM430-455N-54HL4R-B-F8-EN (450W)?
According to our database: Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455 W) has higher module efficiency (22.77% vs 22.52%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W) and Jinko Solar JKM430-455N-54HL4R-B-F8-EN (450W)?
Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455 W) has a module efficiency of 22.77%, while Jinko Solar JKM430-455N-54HL4R-B-F8-EN (450 W) is 22.52%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W) use vs Jinko Solar JKM430-455N-54HL4R-B-F8-EN (450W)?
Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455 W) uses TOPCon cells; Jinko Solar JKM430-455N-54HL4R-B-F8-EN (450 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 Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455W) and Jinko Solar JKM430-455N-54HL4R-B-F8-EN (450W)?
Jinko Solar JKM430-455N-54HL4R-B-F8-EN (455 W) has a 30 years power warranty; Jinko Solar JKM430-455N-54HL4R-B-F8-EN (450 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.

Shop prices: See 146 Jinko 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.