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JKM520-54HL4M-BDV vs JKM495-54HL4M-BDV 14 of 19 identical Swap Change panels

Jinko Solar JKM520-54HL4M-BDV vs Jinko Solar JKM495-54HL4M-BDV

Jinko Solar JKM520-54HL4M-BDV
JKM520-54HL4M-BDV
520 Wp 23.38 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Jinko Solar JKM495-54HL4M-BDV
JKM495-54HL4M-BDV
495 Wp 22.26 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

JKM520-54HL4M-BDV leads on the differences that matter

The largest is module efficiency: 1.12 pp more efficient. 14 of 19 comparable parameters are identical.

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

What actually differs

5 of 19 parameters
Parameter JKM520-54HL4M-BDV JKM495-54HL4M-BDV Difference
Module efficiency 23.38 % 22.26 % 1.12 pp more efficient
Power density 233.8 Wp/m² 222.6 Wp/m² 11.2 Wp/m² higher
Rated power 520 Wp 495 Wp 25 W more power
Weight per kWp 51.9 kg/kWp 54.5 kg/kWp 2.6 kg/kWp lighter
Voltage at max power 34.83 V 33.72 V 1.11 V apart
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.
JKM520-54HL4M-BDV
17,447 kWh
JKM495-54HL4M-BDV
16,608 kWh
Lifetime gap
839 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JKM520-54HL4M-BDV JKM495-54HL4M-BDV
Standard test conditions 25 °C 100.0% of rated power 520 W 495 W
Cool, bright day 40 °C 95.7% of rated power 497 W 473 W
Typical summer roof 55 °C 91.3% of rated power 475 W 452 W
Hot roof 70 °C 87.0% of rated power 452 W 430 W
03

Full specification

Parameter JKM520-54HL4M-BDV JKM495-54HL4M-BDV Difference
Power and efficiency
Rated power 520 Wp 495 Wp +25 W for JKM520-54HL4M-BDV
Module efficiency 23.38 % 22.26 % +1.12 pp for JKM520-54HL4M-BDV
Power density 233.8 Wp/m² 222.6 Wp/m² +11.2 Wp/m² for JKM520-54HL4M-BDV
Open-circuit voltage 41.06 V 40.21 V Effectively the same
Voltage at max power 34.83 V 33.72 V 1.11 V apart
Short-circuit current 15.83 A 15.58 A Effectively the same
Current at max power 14.93 A 14.68 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1961x1134x30 mm 1961x1134x30 mm Same
Module area 2.224 m² 2.224 m² Same
Weight 27.0 kg 27.0 kg Same
Weight per kWp 51.9 kg/kWp 54.5 kg/kWp -2.6 kg/kWp for JKM520-54HL4M-BDV
Warranty and degradation
Product warranty 15 yrs 15 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 Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#927 vs #5,593
JKM520-54HL4M-BDV leads by 4,666 places
Power density
#909 vs #5,521
JKM520-54HL4M-BDV leads by 4,612 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#5,342 vs #8,872
JKM520-54HL4M-BDV leads by 3,530 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,850 vs #7,128
JKM520-54HL4M-BDV leads by 2,278 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM520-54HL4M-BDV vs Jinko Solar JKM525-54HL4M-BDV
One difference: module efficiency
Same series, other bin
Jinko Solar JKM520-54HL4M-BDV vs Jinko Solar JKM515-54HL4M-BDV
One difference: module efficiency
Same series, other bin
Jinko Solar JKM520-54HL4M-BDV vs Jinko Solar JKM510-54HL4M-BDV
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM520-54HL4M-BDV vs Jinko Solar JKM505-54HL4M-BDV
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM520-54HL4M-BDV vs Jinko Solar JKM500-54HL4M-BDV
4 differences, the largest is module efficiency
Same manufacturer
Jinko Solar JKM520-54HL4M-BDV vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)
11 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM520-54HL4M-BDV or Jinko Solar JKM495-54HL4M-BDV?
According to our database: Jinko Solar JKM520-54HL4M-BDV has higher module efficiency (23.38% vs 22.26%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM520-54HL4M-BDV and Jinko Solar JKM495-54HL4M-BDV?
Jinko Solar JKM520-54HL4M-BDV has a module efficiency of 23.38%, while Jinko Solar JKM495-54HL4M-BDV is 22.26%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM520-54HL4M-BDV use vs Jinko Solar JKM495-54HL4M-BDV?
Jinko Solar JKM520-54HL4M-BDV uses TOPCon cells; Jinko Solar JKM495-54HL4M-BDV 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 JKM520-54HL4M-BDV and Jinko Solar JKM495-54HL4M-BDV?
Jinko Solar JKM520-54HL4M-BDV has a 30 years power warranty; Jinko Solar JKM495-54HL4M-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 JKM520-54HL4M-BDV and Jinko Solar JKM495-54HL4M-BDV bifacial panels?
Both Jinko Solar JKM520-54HL4M-BDV and Jinko Solar JKM495-54HL4M-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.

Shop prices: See 174 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.