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JKM430N-54HL4-B vs JKM735N-66HL5-BDV-Z6-EU 5 of 19 identical Swap Change panels

Jinko Solar JKM430N-54HL4-B vs Jinko Solar JKM735N-66HL5-BDV-Z6-EU

Jinko Solar JKM430N-54HL4-B
JKM430N-54HL4-B
430 Wp 22.02 % TOPCon
Open panel page Datasheet PDF
VS
Jinko Solar JKM735N-66HL5-BDV-Z6-EU
JKM735N-66HL5-BDV-Z6-EU
735 Wp 23.66 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

JKM735N-66HL5-BDV-Z6-EU leads on the differences that matter

The largest is module efficiency: 1.64 pp more efficient. 5 of 19 comparable parameters are identical.

See all 14 differences
How alike are they
5 of 19 comparable
parameters are identical
identical differs
01

What actually differs

14 of 19 parameters
Parameter JKM430N-54HL4-B JKM735N-66HL5-BDV-Z6-EU Difference
Module efficiency 22.02 % 23.66 % 1.64 pp more efficient
Rated power 430 Wp 735 Wp 305 W more power
Power density 220.2 Wp/m² 236.6 Wp/m² 16.4 Wp/m² higher
Weight 21.0 kg 37.5 kg 16.5 kg lighter
Product warranty 25 yrs 12 yrs 13 yrs longer
Open-circuit voltage 39.16 V 49.52 V 10.36 V apart
Short-circuit current 13.65 A 18.88 A 5.23 A apart
Module area 1.953 m² 3.106 m² 1.154 m² apart
Voltage at max power 32.58 V 41.23 V 8.65 V apart
Current at max power 13.20 A 17.83 A 4.63 A apart
Cell count 108 132 24 cells apart
Weight per kWp 48.8 kg/kWp 51.0 kg/kWp 2.2 kg/kWp lighter
Bifacial No Yes No vs Yes
Dimensions 1722x1134x35 mm 2384x1303x33 mm 1722x1134x35 mm vs 2384x1303x33 mm
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.
JKM430N-54HL4-B
14,427 kWh
JKM735N-66HL5-BDV-Z6-EU
24,661 kWh
Lifetime gap
10,234 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JKM430N-54HL4-B JKM735N-66HL5-BDV-Z6-EU
Standard test conditions 25 °C 100.0% of rated power 430 W 735 W
Cool, bright day 40 °C 95.7% of rated power 411 W 703 W
Typical summer roof 55 °C 91.3% of rated power 393 W 671 W
Hot roof 70 °C 87.0% of rated power 374 W 639 W
03

Full specification

Parameter JKM430N-54HL4-B JKM735N-66HL5-BDV-Z6-EU Difference
Power and efficiency
Rated power 430 Wp 735 Wp +305 W for JKM735N-66HL5-BDV-Z6-EU
Module efficiency 22.02 % 23.66 % +1.64 pp for JKM735N-66HL5-BDV-Z6-EU
Power density 220.2 Wp/m² 236.6 Wp/m² +16.4 Wp/m² for JKM735N-66HL5-BDV-Z6-EU
Open-circuit voltage 39.16 V 49.52 V 10.36 V apart
Voltage at max power 32.58 V 41.23 V 8.65 V apart
Short-circuit current 13.65 A 18.88 A 5.23 A apart
Current at max power 13.20 A 17.83 A 4.63 A apart
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1722x1134x35 mm 2384x1303x33 mm 1722x1134x35 mm vs 2384x1303x33 mm
Module area 1.953 m² 3.106 m² 1.154 m² apart
Weight 21.0 kg 37.5 kg -16.5 kg for JKM430N-54HL4-B
Weight per kWp 48.8 kg/kWp 51.0 kg/kWp -2.2 kg/kWp for JKM430N-54HL4-B
Warranty and degradation
Product warranty 25 yrs 12 yrs +13 yrs for JKM430N-54HL4-B
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 108 132 24 cells apart
Bifacial No Yes No vs Yes
04

Against the whole database

14,005 panels
Efficiency
#6,329 vs #602
JKM735N-66HL5-BDV-Z6-EU leads by 5,727 places
Power density
#6,481 vs #582
JKM735N-66HL5-BDV-Z6-EU leads by 5,899 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#2,492 vs #4,360
JKM430N-54HL4-B leads by 1,868 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#7,419 vs #239
JKM735N-66HL5-BDV-Z6-EU leads by 7,180 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM430N-54HL4-B vs Jinko Solar JKM440N-54HL4-B
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM430N-54HL4-B vs Jinko Solar JKM435N-54HL4-B
One difference: module efficiency
Same series, other bin
Jinko Solar JKM430N-54HL4-B vs Jinko Solar JKM425N-54HL4-B
One difference: module efficiency
Same series, other bin
Jinko Solar JKM735N-66HL5-BDV-Z6-EU vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)
The same specification on paper
Same series, other bin
Jinko Solar JKM735N-66HL5-BDV-Z6-EU vs Jinko Solar JKM735N-66HL5-BDV-Z3-EU
The same specification on paper
Same series, other bin
Jinko Solar JKM735N-66HL5-BDV-Z6-EU vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (730W bin)
The same specification on paper
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM430N-54HL4-B or Jinko Solar JKM735N-66HL5-BDV-Z6-EU?
According to our database: Jinko Solar JKM735N-66HL5-BDV-Z6-EU has higher module efficiency (23.66% vs 22.02%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM430N-54HL4-B and Jinko Solar JKM735N-66HL5-BDV-Z6-EU?
Jinko Solar JKM430N-54HL4-B has a module efficiency of 22.02%, while Jinko Solar JKM735N-66HL5-BDV-Z6-EU is 23.66%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM430N-54HL4-B use vs Jinko Solar JKM735N-66HL5-BDV-Z6-EU?
Jinko Solar JKM430N-54HL4-B uses TOPCon cells; Jinko Solar JKM735N-66HL5-BDV-Z6-EU 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 JKM430N-54HL4-B and Jinko Solar JKM735N-66HL5-BDV-Z6-EU?
Jinko Solar JKM430N-54HL4-B has a 30 years power warranty; Jinko Solar JKM735N-66HL5-BDV-Z6-EU 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 Jinko Solar JKM430N-54HL4-B and Jinko Solar JKM735N-66HL5-BDV-Z6-EU bifacial panels?
Jinko Solar JKM735N-66HL5-BDV-Z6-EU is bifacial (captures light from both faces); Jinko Solar JKM430N-54HL4-B is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

Shop prices: See 172 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.