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JKM420N-54HL4-B vs JKM710-735N-66HL5-BDV-Z3-EU (725W bin) 5 of 19 identical Swap Change panels

Jinko Solar JKM420N-54HL4-B vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725W bin)

JKM420N-54HL4-B
420 Wp 21.51 % N-type
VS
Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725W bin)
JKM710-735N-66HL5-BDV-Z3-EU (725W bin)
725 Wp 23.34 % TOPCon Bifacial
The verdict

JKM710-735N-66HL5-BDV-Z3-EU (725W bin) leads on the differences that matter

The largest is module efficiency: 1.83 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 JKM420N-54HL4-B JKM710-735N-66HL5-BDV-Z3-EU (725W bin) Difference
Module efficiency 21.51 % 23.34 % 1.83 pp more efficient
Rated power 420 Wp 725 Wp 305 W more power
Power density 215.1 Wp/m² 233.4 Wp/m² 18.3 Wp/m² higher
Weight 22.0 kg 37.5 kg 15.5 kg lighter
Product warranty 25 yrs 12 yrs 13 yrs longer
Open-circuit voltage 38.15 V 49.20 V 11.05 V apart
Short-circuit current 13.80 A 18.74 A 4.94 A apart
Module area 1.953 m² 3.106 m² 1.154 m² apart
Cell technology N-type TOPCon N-type vs TOPCon
Voltage at max power 32.04 V 41.00 V 8.96 V apart
Current at max power 13.11 A 17.69 A 4.58 A apart
Cell count 108 132 24 cells apart
Bifacial No Yes No vs Yes
Dimensions 1722x1134x30 mm 2384x1303x33 mm 1722x1134x30 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.
JKM420N-54HL4-B
14,092 kWh
JKM710-735N-66HL5-BDV-Z3-EU (725W bin)
24,325 kWh
Lifetime gap
10,233 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JKM420N-54HL4-B JKM710-735N-66HL5-BDV-Z3-EU (725W bin)
Standard test conditions 25 °C 100.0% of rated power 420 W 725 W
Cool, bright day 40 °C 95.7% of rated power 402 W 693 W
Typical summer roof 55 °C 91.3% of rated power 383 W 662 W
Hot roof 70 °C 87.0% of rated power 365 W 630 W
03

Full specification

Parameter JKM420N-54HL4-B JKM710-735N-66HL5-BDV-Z3-EU (725W bin) Difference
Power and efficiency
Rated power 420 Wp 725 Wp +305 W for JKM710-735N-66HL5-BDV-Z3-EU (725W bin)
Module efficiency 21.51 % 23.34 % +1.83 pp for JKM710-735N-66HL5-BDV-Z3-EU (725W bin)
Power density 215.1 Wp/m² 233.4 Wp/m² +18.3 Wp/m² for JKM710-735N-66HL5-BDV-Z3-EU (725W bin)
Open-circuit voltage 38.15 V 49.20 V 11.05 V apart
Voltage at max power 32.04 V 41.00 V 8.96 V apart
Short-circuit current 13.80 A 18.74 A 4.94 A apart
Current at max power 13.11 A 17.69 A 4.58 A apart
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1722x1134x30 mm 2384x1303x33 mm 1722x1134x30 mm vs 2384x1303x33 mm
Module area 1.953 m² 3.106 m² 1.154 m² apart
Weight 22.0 kg 37.5 kg -15.5 kg for JKM420N-54HL4-B
Weight per kWp 52.4 kg/kWp 51.7 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 12 yrs +13 yrs for JKM420N-54HL4-B
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology N-type TOPCon N-type vs TOPCon
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
#7,894 vs #943
JKM710-735N-66HL5-BDV-Z3-EU (725W bin) leads by 6,951 places
Power density
#7,882 vs #936
JKM710-735N-66HL5-BDV-Z3-EU (725W bin) leads by 6,946 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#5,859 vs #5,085
JKM710-735N-66HL5-BDV-Z3-EU (725W bin) leads by 774 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#8,575 vs #397
JKM710-735N-66HL5-BDV-Z3-EU (725W bin) leads by 8,178 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM420N-54HL4-B vs Jinko Solar JKM525-54HL4M-BDV
13 differences, the largest is module efficiency
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Jinko Solar JKM420N-54HL4-B vs Jinko Solar JKM520-54HL4M-BDV
13 differences, the largest is module efficiency
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Jinko Solar JKM420N-54HL4-B vs Jinko Solar JKM515-54HL4M-BDV
13 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM420N-54HL4-B vs Jinko Solar JKM510-54HL4M-BDV
13 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM420N-54HL4-B vs Jinko Solar JKM505-54HL4M-BDV
13 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM420N-54HL4-B vs Jinko Solar JKM500-54HL4M-BDV
13 differences, the largest is module efficiency
06

Written summary

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07

Questions about this pairing

Which panel is better: Jinko Solar JKM420N-54HL4-B or Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725W bin)?
According to our database: Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725 W bin) has higher module efficiency (23.34% vs 21.51%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM420N-54HL4-B and Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725W bin)?
Jinko Solar JKM420N-54HL4-B has a module efficiency of 21.51%, while Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725 W bin) is 23.34%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM420N-54HL4-B use vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725W bin)?
Jinko Solar JKM420N-54HL4-B uses N-type cells; Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725 W bin) 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 JKM420N-54HL4-B and Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725W bin)?
Jinko Solar JKM420N-54HL4-B has a 30 years power warranty; Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725 W bin) 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 JKM420N-54HL4-B and Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725W bin) bifacial panels?
Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (725 W bin) is bifacial (captures light from both faces); Jinko Solar JKM420N-54HL4-B is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

Shop prices: See 170 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.