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JKM425N-54HL4-B vs JKM435N-54HL4-B 16 of 19 identical Swap Change panels

Jinko Solar JKM425N-54HL4-B vs Jinko Solar JKM435N-54HL4-B

Jinko Solar JKM425N-54HL4-B
JKM425N-54HL4-B
425 Wp 21.76 % TOPCon
Open panel page Datasheet PDF
VS
Jinko Solar JKM435N-54HL4-B
JKM435N-54HL4-B
435 Wp 22.28 % TOPCon
Open panel page Datasheet PDF
The verdict

JKM435N-54HL4-B leads on the differences that matter

The largest is module efficiency: 0.52 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 JKM425N-54HL4-B JKM435N-54HL4-B Difference
Module efficiency 21.76 % 22.28 % 0.52 pp more efficient
Power density 217.6 Wp/m² 222.8 Wp/m² 5.1 Wp/m² higher
Rated power 425 Wp 435 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.
JKM425N-54HL4-B
14,260 kWh
JKM435N-54HL4-B
14,595 kWh
Lifetime gap
335 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JKM425N-54HL4-B JKM435N-54HL4-B
Standard test conditions 25 °C 100.0% of rated power 425 W 435 W
Cool, bright day 40 °C 95.7% of rated power 407 W 416 W
Typical summer roof 55 °C 91.3% of rated power 388 W 397 W
Hot roof 70 °C 87.0% of rated power 370 W 378 W
03

Full specification

Parameter JKM425N-54HL4-B JKM435N-54HL4-B Difference
Power and efficiency
Rated power 425 Wp 435 Wp +10 W for JKM435N-54HL4-B
Module efficiency 21.76 % 22.28 % +0.52 pp for JKM435N-54HL4-B
Power density 217.6 Wp/m² 222.8 Wp/m² +5.1 Wp/m² for JKM435N-54HL4-B
Open-circuit voltage 38.95 V 39.36 V Effectively the same
Voltage at max power 32.37 V 32.78 V Effectively the same
Short-circuit current 13.58 A 13.72 A Effectively the same
Current at max power 13.13 A 13.27 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1722x1134x35 mm 1722x1134x35 mm Same
Module area 1.953 m² 1.953 m² Same
Weight 21.0 kg 21.0 kg Same
Weight per kWp 49.4 kg/kWp 48.3 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

14,005 panels
Efficiency
#7,285 vs #5,403
JKM435N-54HL4-B leads by 1,882 places
Power density
#7,172 vs #5,150
JKM435N-54HL4-B leads by 2,022 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#2,909 vs #2,138
JKM435N-54HL4-B leads by 771 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#7,986 vs #6,934
JKM435N-54HL4-B leads by 1,052 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM425N-54HL4-B vs Jinko Solar JKM440N-54HL4-B
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM425N-54HL4-B vs Jinko Solar JKM430N-54HL4-B
One difference: module efficiency
Same manufacturer
Jinko Solar JKM425N-54HL4-B vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)
13 differences, the largest is module efficiency
Same manufacturer
Jinko Solar JKM425N-54HL4-B vs Jinko Solar JKM735N-66HL5-BDV-Z3-EU
13 differences, the largest is module efficiency
Same manufacturer
Jinko Solar JKM425N-54HL4-B vs Jinko Solar JKM735N-66HL5-BDV-Z6-EU
13 differences, the largest is module efficiency
Same manufacturer
Jinko Solar JKM425N-54HL4-B vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (730W bin)
13 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM425N-54HL4-B or Jinko Solar JKM435N-54HL4-B?
According to our database: Jinko Solar JKM435N-54HL4-B has higher module efficiency (22.28% vs 21.76%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM425N-54HL4-B and Jinko Solar JKM435N-54HL4-B?
Jinko Solar JKM425N-54HL4-B has a module efficiency of 21.76%, while Jinko Solar JKM435N-54HL4-B is 22.28%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM425N-54HL4-B use vs Jinko Solar JKM435N-54HL4-B?
Jinko Solar JKM425N-54HL4-B uses TOPCon cells; Jinko Solar JKM435N-54HL4-B 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 JKM425N-54HL4-B and Jinko Solar JKM435N-54HL4-B?
Jinko Solar JKM425N-54HL4-B has a 30 years power warranty; Jinko Solar JKM435N-54HL4-B 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 171 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.