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JKM455N-54HL4R-B-F8-EN vs JKM445N-54HL4R-B-F8-EN 16 of 19 identical Swap Change panels

Jinko Solar JKM455N-54HL4R-B-F8-EN vs Jinko Solar JKM445N-54HL4R-B-F8-EN

Jinko Solar JKM455N-54HL4R-B-F8-EN
JKM455N-54HL4R-B-F8-EN
455 Wp 22.77 % TOPCon
Open panel page Datasheet PDF
VS
Jinko Solar JKM445N-54HL4R-B-F8-EN
JKM445N-54HL4R-B-F8-EN
445 Wp 22.27 % TOPCon
Open panel page Datasheet PDF
The verdict

JKM455N-54HL4R-B-F8-EN leads on the differences that matter

The largest is module efficiency: 0.50 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 JKM455N-54HL4R-B-F8-EN JKM445N-54HL4R-B-F8-EN Difference
Module efficiency 22.77 % 22.27 % 0.50 pp more efficient
Power density 227.7 Wp/m² 222.7 Wp/m² 5.0 Wp/m² higher
Rated power 455 Wp 445 Wp 10 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.
JKM455N-54HL4R-B-F8-EN
15,266 kWh
JKM445N-54HL4R-B-F8-EN
14,931 kWh
Lifetime gap
335 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JKM455N-54HL4R-B-F8-EN JKM445N-54HL4R-B-F8-EN
Standard test conditions 25 °C 100.0% of rated power 455 W 445 W
Cool, bright day 40 °C 95.7% of rated power 435 W 426 W
Typical summer roof 55 °C 91.3% of rated power 415 W 406 W
Hot roof 70 °C 87.0% of rated power 396 W 387 W
03

Full specification

Parameter JKM455N-54HL4R-B-F8-EN JKM445N-54HL4R-B-F8-EN Difference
Power and efficiency
Rated power 455 Wp 445 Wp +10 W for JKM455N-54HL4R-B-F8-EN
Module efficiency 22.77 % 22.27 % +0.50 pp for JKM455N-54HL4R-B-F8-EN
Power density 227.7 Wp/m² 222.7 Wp/m² +5.0 Wp/m² for JKM455N-54HL4R-B-F8-EN
Open-circuit voltage 40.17 V 39.77 V Effectively the same
Voltage at max power 33.58 V 33.19 V Effectively the same
Short-circuit current 14.01 A 13.87 A Effectively the same
Current at max power 13.55 A 13.41 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 47.2 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 #5,544
JKM455N-54HL4R-B-F8-EN leads by 2,415 places
Power density
#2,943 vs #5,365
JKM455N-54HL4R-B-F8-EN leads by 2,422 places
Heat behaviour
#2,220 vs #2,220
Tied - the same position in the database
Weight
#1,016 vs #1,537
JKM455N-54HL4R-B-F8-EN leads by 521 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#5,614 vs #6,595
JKM455N-54HL4R-B-F8-EN leads by 981 places
05

More useful comparisons

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

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM455N-54HL4R-B-F8-EN or Jinko Solar JKM445N-54HL4R-B-F8-EN?
According to our database: Jinko Solar JKM455N-54HL4R-B-F8-EN has higher module efficiency (22.77% vs 22.27%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM455N-54HL4R-B-F8-EN and Jinko Solar JKM445N-54HL4R-B-F8-EN?
Jinko Solar JKM455N-54HL4R-B-F8-EN has a module efficiency of 22.77%, while Jinko Solar JKM445N-54HL4R-B-F8-EN is 22.27%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM455N-54HL4R-B-F8-EN use vs Jinko Solar JKM445N-54HL4R-B-F8-EN?
Jinko Solar JKM455N-54HL4R-B-F8-EN uses TOPCon cells; Jinko Solar JKM445N-54HL4R-B-F8-EN 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 JKM455N-54HL4R-B-F8-EN and Jinko Solar JKM445N-54HL4R-B-F8-EN?
Jinko Solar JKM455N-54HL4R-B-F8-EN has a 30 years power warranty; Jinko Solar JKM445N-54HL4R-B-F8-EN 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.