JKM735N-66HL5-BDV-Z3-EU vs JKM495-520N-51QL6-BDV-F2-EU (495W) 4 of 19 identical Swap Change panels

Jinko Solar JKM735N-66HL5-BDV-Z3-EU vs Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W)

Q: Which panel is better: Jinko Solar JKM735N-66HL5-BDV-Z3-EU or Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W)?

According to our database: Jinko Solar JKM735N-66HL5-BDV-Z3-EU has higher module efficiency (23.66% vs 22.90%); Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W) tolerates heat better (temp coeff -0.260%/°C vs -0.290%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.

Q: What is the efficiency of Jinko Solar JKM735N-66HL5-BDV-Z3-EU and Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W)?

Jinko Solar JKM735N-66HL5-BDV-Z3-EU has a module efficiency of 23.66%, while Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W) is 22.90%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Jinko Solar JKM735N-66HL5-BDV-Z3-EU use vs Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W)?

Jinko Solar JKM735N-66HL5-BDV-Z3-EU uses TOPCon cells; Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W) uses TOPCon. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.

Q: What is the warranty on Jinko Solar JKM735N-66HL5-BDV-Z3-EU and Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W)?

Jinko Solar JKM735N-66HL5-BDV-Z3-EU has a 30 years power warranty; Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W) 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.

Q: Are Jinko Solar JKM735N-66HL5-BDV-Z3-EU and Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W) bifacial panels?

Both Jinko Solar JKM735N-66HL5-BDV-Z3-EU and Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W) 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.

JKM735N-66HL5-BDV-Z3-EU

735 Wp 23.66 % TOPCon Bifacial

Open panel page Datasheet PDF

JKM495-520N-51QL6-BDV-F2-EU (495W)

495 Wp 22.90 % TOPCon Bifacial

Open panel page Datasheet PDF

The verdict

15 differences, and they point both ways

The largest is module efficiency: 0.76 pp more efficient. 4 of 19 comparable parameters are identical.

See all 15 differences

How alike are they

4 of 19 comparable
parameters are identical

identical differs

What actually differs

15 of 19 parameters

Parameter JKM735N-66HL5-BDV-Z3-EU JKM495-520N-51QL6-BDV-F2-EU (495W) Difference

Module efficiency 23.66 % 22.90 % 0.76 pp more efficient

Rated power 735 Wp 495 Wp 240 W more power

Temperature coefficient -0.290 %/°C -0.260 %/°C 0.030 %/°C better in heat

Weight 37.5 kg 26.3 kg 11.2 kg lighter

Power density 236.6 Wp/m² 229.0 Wp/m² 7.6 Wp/m² higher

Product warranty 12 yrs 15 yrs 3 yrs longer

Open-circuit voltage 49.52 V 38.35 V 11.17 V apart

Short-circuit current 18.88 A 15.76 A 3.12 A apart

Module area 3.106 m² 2.161 m² 0.945 m² apart

Annual degradation 0.40 %/yr 0.35 %/yr 0.05 %/yr slower

Voltage at max power 41.23 V 32.81 V 8.42 V apart

Current at max power 17.83 A 15.09 A 2.74 A apart

Cell count 132 204 72 cells apart

Weight per kWp 51.0 kg/kWp 53.1 kg/kWp 2.1 kg/kWp lighter

Dimensions 2384x1303x33 mm 1906x1134x30 mm 2384x1303x33 mm vs 1906x1134x30 mm

What it means on a roof

Thirty years of production

Each panel's own declared degradation curve, at 1,200 kWh/kWp a year

Cell temperature

JKM735N-66HL5-BDV-Z3-EU

24,661 kWh

JKM495-520N-51QL6-BDV-F2-EU (495W)

16,737 kWh

Lifetime gap

7,924 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario JKM735N-66HL5-BDV-Z3-EU JKM495-520N-51QL6-BDV-F2-EU (495W)

Standard test conditions 25 °C 100.0% of rated power 735 W 495 W

Cool, bright day 40 °C 95.7% of rated power 703 W 476 W

Typical summer roof 55 °C 91.3% of rated power 671 W 456 W

Hot roof 70 °C 87.0% of rated power 639 W 437 W

Full specification

Parameter JKM735N-66HL5-BDV-Z3-EU JKM495-520N-51QL6-BDV-F2-EU (495W) Difference

Power and efficiency

Rated power 735 Wp 495 Wp +240 W for JKM735N-66HL5-BDV-Z3-EU

Module efficiency 23.66 % 22.90 % +0.76 pp for JKM735N-66HL5-BDV-Z3-EU

Power density 236.6 Wp/m² 229.0 Wp/m² +7.6 Wp/m² for JKM735N-66HL5-BDV-Z3-EU

Open-circuit voltage 49.52 V 38.35 V 11.17 V apart

Voltage at max power 41.23 V 32.81 V 8.42 V apart

Short-circuit current 18.88 A 15.76 A 3.12 A apart

Current at max power 17.83 A 15.09 A 2.74 A apart

Temperature

Temperature coefficient -0.290 %/°C -0.260 %/°C +0.030 %/°C for JKM495-520N-51QL6-BDV-F2-EU (495W)

Mechanical

Dimensions 2384x1303x33 mm 1906x1134x30 mm 2384x1303x33 mm vs 1906x1134x30 mm

Module area 3.106 m² 2.161 m² 0.945 m² apart

Weight 37.5 kg 26.3 kg -11.2 kg for JKM495-520N-51QL6-BDV-F2-EU (495W)

Weight per kWp 51.0 kg/kWp 53.1 kg/kWp -2.1 kg/kWp for JKM735N-66HL5-BDV-Z3-EU

Warranty and degradation

Product warranty 12 yrs 15 yrs +3 yrs for JKM495-520N-51QL6-BDV-F2-EU (495W)

Performance warranty 30 yrs 30 yrs Same

Annual degradation 0.40 %/yr 0.35 %/yr -0.05 %/yr for JKM495-520N-51QL6-BDV-F2-EU (495W)

Technology

Cell technology TOPCon TOPCon Same

Cell type Monocrystalline Monocrystalline Same

Cell count 132 204 72 cells apart

Bifacial Yes Yes Same

Against the whole database

14,005 panels

Efficiency

#602 vs #2,359

JKM735N-66HL5-BDV-Z3-EU leads by 1,757 places

Power density

#582 vs #2,383

JKM735N-66HL5-BDV-Z3-EU leads by 1,801 places

Heat behaviour

#2,165 vs #511

JKM495-520N-51QL6-BDV-F2-EU (495W) leads by 1,654 places

Weight

#4,360 vs #6,936

JKM735N-66HL5-BDV-Z3-EU leads by 2,576 places

Warranty

#21 vs #21

Tied - the same position in the database

Overall

#239 vs #6,301

JKM735N-66HL5-BDV-Z3-EU leads by 6,062 places

More useful comparisons

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3 differences, the largest is module efficiency

Written summary

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Questions about this pairing

Which panel is better: Jinko Solar JKM735N-66HL5-BDV-Z3-EU or Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W)?

According to our database: Jinko Solar JKM735N-66HL5-BDV-Z3-EU has higher module efficiency (23.66% vs 22.90%); Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495 W) tolerates heat better (temp coeff -0.260%/°C vs -0.290%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.

What is the efficiency of Jinko Solar JKM735N-66HL5-BDV-Z3-EU and Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W)?

Jinko Solar JKM735N-66HL5-BDV-Z3-EU has a module efficiency of 23.66%, while Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495 W) is 22.90%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

What cell technology does Jinko Solar JKM735N-66HL5-BDV-Z3-EU use vs Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W)?

Jinko Solar JKM735N-66HL5-BDV-Z3-EU uses TOPCon cells; Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495 W) 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 JKM735N-66HL5-BDV-Z3-EU and Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W)?

Jinko Solar JKM735N-66HL5-BDV-Z3-EU has a 30 years power warranty; Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495 W) 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 JKM735N-66HL5-BDV-Z3-EU and Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495W) bifacial panels?

Both Jinko Solar JKM735N-66HL5-BDV-Z3-EU and Jinko Solar JKM495-520N-51QL6-BDV-F2-EU (495 W) 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 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.