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JKM605N-78HL4-BDV vs JKM580N-72HL4-BDV 8 of 18 identical Swap Change panels

Jinko Solar JKM605N-78HL4-BDV vs Jinko Solar JKM580N-72HL4-BDV

JKM605N-78HL4-BDV
605 Wp 21.64 % N-type Bifacial Incomplete
Open panel page Datasheet PDF
VS
JKM580N-72HL4-BDV
580 Wp 22.45 % N-type Bifacial
Open panel page Datasheet PDF
The verdict

JKM580N-72HL4-BDV leads on the differences that matter

The largest is module efficiency: 0.81 pp more efficient. 8 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 10 differences
How alike are they
8 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 18 parameters
Parameter JKM605N-78HL4-BDV JKM580N-72HL4-BDV Difference
Module efficiency 21.64 % 22.45 % 0.81 pp more efficient
Power density 216.4 Wp/m² 224.5 Wp/m² 8.1 Wp/m² higher
Rated power 605 Wp 580 Wp 25 W more power
Module area 2.795 m² 2.583 m² 0.212 m² apart
Weight 34.6 kg 32.0 kg 2.6 kg lighter
Open-circuit voltage 55.17 V 51.47 V 3.70 V apart
Cell count 156 144 12 cells apart
Weight per kWp 57.2 kg/kWp 55.2 kg/kWp 2.0 kg/kWp lighter
Voltage at max power 45.42 V 42.59 V 2.83 V apart
Dimensions 2465x1134x30 mm 2278x1134x30 mm 2465x1134x30 mm vs 2278x1134x30 mm
02

What it means on a roof

Thirty years of production
A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
JKM605N-78HL4-BDV
20,299 kWh
JKM580N-72HL4-BDV
19,460 kWh
Lifetime gap
839 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JKM605N-78HL4-BDV JKM580N-72HL4-BDV
Standard test conditions 25 °C 100.0% of rated power 605 W 580 W
Cool, bright day 40 °C 95.5% of rated power 578 W 554 W
Typical summer roof 55 °C 91.0% of rated power 551 W 528 W
Hot roof 70 °C 86.5% of rated power 523 W 502 W
03

Full specification

Parameter JKM605N-78HL4-BDV JKM580N-72HL4-BDV Difference
Power and efficiency
Rated power 605 Wp 580 Wp +25 W for JKM605N-78HL4-BDV
Module efficiency 21.64 % 22.45 % +0.81 pp for JKM580N-72HL4-BDV
Power density 216.4 Wp/m² 224.5 Wp/m² +8.1 Wp/m² for JKM580N-72HL4-BDV
Open-circuit voltage 55.17 V 51.47 V 3.70 V apart
Voltage at max power 45.42 V 42.59 V 2.83 V apart
Short-circuit current 13.95 A 14.37 A Effectively the same
Current at max power 13.32 A 13.62 A Effectively the same
Temperature
Temperature coefficient -0.300 %/°C -0.300 %/°C Same
Mechanical
Dimensions 2465x1134x30 mm 2278x1134x30 mm 2465x1134x30 mm vs 2278x1134x30 mm
Module area 2.795 m² 2.583 m² 0.212 m² apart
Weight 34.6 kg 32.0 kg -2.6 kg for JKM580N-72HL4-BDV
Weight per kWp 57.2 kg/kWp 55.2 kg/kWp -2.0 kg/kWp for JKM580N-72HL4-BDV
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation - 0.40 %/yr Not published by Jinko Solar
Technology
Cell technology N-type N-type Same
Cell type Monocrystalline Monocrystalline Same
Cell count 156 144 12 cells apart
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#7,636 vs #4,620
JKM580N-72HL4-BDV leads by 3,016 places
Power density
#7,601 vs #4,547
JKM580N-72HL4-BDV leads by 3,054 places
Heat behaviour
#6,093 vs #6,093
Tied - the same position in the database
Weight
#11,122 vs #9,588
JKM580N-72HL4-BDV leads by 1,534 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,627 vs #4,564
JKM580N-72HL4-BDV leads by 63 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM605N-78HL4-BDV vs Jinko Solar JKM620N-78HL4-BDV
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM605N-78HL4-BDV vs Jinko Solar JKM615N-78HL4-BDV
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM605N-78HL4-BDV vs Jinko Solar JKM610N-78HL4-BDV
The same specification on paper
Same series, other bin
Jinko Solar JKM605N-78HL4-BDV vs Jinko Solar JKM575N-72HL4-BDV
9 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM605N-78HL4-BDV vs Jinko Solar JKM570N-72HL4-BDV
9 differences, the largest is rated power
Same series, other bin
Jinko Solar JKM605N-78HL4-BDV vs Jinko Solar JKM565N-72HL4-BDV
8 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM605N-78HL4-BDV or Jinko Solar JKM580N-72HL4-BDV?
According to our database: Jinko Solar JKM580N-72HL4-BDV has higher module efficiency (22.45% vs 21.64%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM605N-78HL4-BDV and Jinko Solar JKM580N-72HL4-BDV?
Jinko Solar JKM605N-78HL4-BDV has a module efficiency of 21.64%, while Jinko Solar JKM580N-72HL4-BDV is 22.45%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM605N-78HL4-BDV use vs Jinko Solar JKM580N-72HL4-BDV?
Jinko Solar JKM605N-78HL4-BDV uses N-type cells; Jinko Solar JKM580N-72HL4-BDV uses N-type. 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 JKM605N-78HL4-BDV and Jinko Solar JKM580N-72HL4-BDV?
Jinko Solar JKM605N-78HL4-BDV has a 30 years power warranty; Jinko Solar JKM580N-72HL4-BDV 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 JKM605N-78HL4-BDV and Jinko Solar JKM580N-72HL4-BDV bifacial panels?
Both Jinko Solar JKM605N-78HL4-BDV and Jinko Solar JKM580N-72HL4-BDV are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.

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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.