JKM450-475N-48HL4M-DB-Z2-EN (455W) vs JKM650-670N-66QL6-BDV (670W class) 3 of 18 identical Swap Change panels

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) vs Jinko Solar JKM650-670N-66QL6-BDV (670W class)

Q: Which panel is better: Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) or Jinko Solar JKM650-670N-66QL6-BDV (670W class)?

According to our database: Jinko Solar JKM650-670N-66QL6-BDV (670W class) has higher module efficiency (24.80% vs 22.77%); Jinko Solar JKM650-670N-66QL6-BDV (670W class) 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 JKM450-475N-48HL4M-DB-Z2-EN (455W) and Jinko Solar JKM650-670N-66QL6-BDV (670W class)?

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) has a module efficiency of 22.77%, while Jinko Solar JKM650-670N-66QL6-BDV (670W class) is 24.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) use vs Jinko Solar JKM650-670N-66QL6-BDV (670W class)?

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) uses TOPCon cells; Jinko Solar JKM650-670N-66QL6-BDV (670W class) 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 JKM450-475N-48HL4M-DB-Z2-EN (455W) and Jinko Solar JKM650-670N-66QL6-BDV (670W class)?

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) has a 30 years power warranty; Jinko Solar JKM650-670N-66QL6-BDV (670W class) 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 JKM450-475N-48HL4M-DB-Z2-EN (455W) and Jinko Solar JKM650-670N-66QL6-BDV (670W class) bifacial panels?

Jinko Solar JKM650-670N-66QL6-BDV (670W class) is bifacial (captures light from both faces); Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

JKM450-475N-48HL4M-DB-Z2-EN (455W)

455 Wp 22.77 % TOPCon

Open panel page Datasheet PDF

JKM650-670N-66QL6-BDV (670W class)

670 Wp 24.80 % TOPCon Bifacial

Open panel page Datasheet PDF

The verdict

JKM650-670N-66QL6-BDV (670W class) leads on the differences that matter

The largest is module efficiency: 2.03 pp more efficient. 3 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 15 differences

How alike are they

3 of 18 comparable
parameters are identical

identical differs not published

What actually differs

15 of 18 parameters

Parameter JKM450-475N-48HL4M-DB-Z2-EN (455W) JKM650-670N-66QL6-BDV (670W class) Difference

Module efficiency 22.77 % 24.80 % 2.03 pp more efficient

Rated power 455 Wp 670 Wp 215 W more power

Power density 227.7 Wp/m² 248.0 Wp/m² 20.3 Wp/m² higher

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

Weight 24.0 kg 32.5 kg 8.5 kg lighter

Product warranty 25 yrs 12 yrs 13 yrs longer

Open-circuit voltage 36.23 V 50.98 V 14.75 V apart

Module area 1.998 m² 2.701 m² 0.703 m² apart

Weight per kWp 52.7 kg/kWp 48.5 kg/kWp 4.2 kg/kWp lighter

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

Voltage at max power 30.48 V 43.09 V 12.61 V apart

Bifacial No Yes No vs Yes

Short-circuit current 15.71 A 16.22 A 0.51 A apart

Dimensions 1762x1134x30 mm 2382x1134x30 mm 1762x1134x30 mm vs 2382x1134x30 mm

Current at max power 14.93 A 15.55 A 0.62 A apart

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

JKM450-475N-48HL4M-DB-Z2-EN (455W)

15,266 kWh

JKM650-670N-66QL6-BDV (670W class)

22,655 kWh

Lifetime gap

7,389 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario JKM450-475N-48HL4M-DB-Z2-EN (455W) JKM650-670N-66QL6-BDV (670W class)

Standard test conditions 25 °C 100.0% of rated power 455 W 670 W

Cool, bright day 40 °C 95.7% of rated power 435 W 644 W

Typical summer roof 55 °C 91.3% of rated power 415 W 618 W

Hot roof 70 °C 87.0% of rated power 396 W 592 W

Full specification

Parameter JKM450-475N-48HL4M-DB-Z2-EN (455W) JKM650-670N-66QL6-BDV (670W class) Difference

Power and efficiency

Rated power 455 Wp 670 Wp +215 W for JKM650-670N-66QL6-BDV (670W class)

Module efficiency 22.77 % 24.80 % +2.03 pp for JKM650-670N-66QL6-BDV (670W class)

Power density 227.7 Wp/m² 248.0 Wp/m² +20.3 Wp/m² for JKM650-670N-66QL6-BDV (670W class)

Open-circuit voltage 36.23 V 50.98 V 14.75 V apart

Voltage at max power 30.48 V 43.09 V 12.61 V apart

Short-circuit current 15.71 A 16.22 A 0.51 A apart

Current at max power 14.93 A 15.55 A 0.62 A apart

Temperature

Temperature coefficient -0.290 %/°C -0.260 %/°C +0.030 %/°C for JKM650-670N-66QL6-BDV (670W class)

Mechanical

Dimensions 1762x1134x30 mm 2382x1134x30 mm 1762x1134x30 mm vs 2382x1134x30 mm

Module area 1.998 m² 2.701 m² 0.703 m² apart

Weight 24.0 kg 32.5 kg -8.5 kg for JKM450-475N-48HL4M-DB-Z2-EN (455W)

Weight per kWp 52.7 kg/kWp 48.5 kg/kWp -4.2 kg/kWp for JKM650-670N-66QL6-BDV (670W class)

Warranty and degradation

Product warranty 25 yrs 12 yrs +13 yrs for JKM450-475N-48HL4M-DB-Z2-EN (455W)

Performance warranty 30 yrs 30 yrs Same

Annual degradation 0.40 %/yr 0.35 %/yr -0.05 %/yr for JKM650-670N-66QL6-BDV (670W class)

Technology

Cell technology TOPCon TOPCon Same

Cell type Monocrystalline Monocrystalline Same

Cell count 96 - Not published by Jinko Solar

Bifacial No Yes No vs Yes

Against the whole database

14,269 panels

Efficiency

#3,192 vs #17

JKM650-670N-66QL6-BDV (670W class) leads by 3,175 places

Power density

#3,006 vs #19

JKM650-670N-66QL6-BDV (670W class) leads by 2,987 places

Heat behaviour

#2,260 vs #521

JKM650-670N-66QL6-BDV (670W class) leads by 1,739 places

Weight

#6,504 vs #2,338

JKM650-670N-66QL6-BDV (670W class) leads by 4,166 places

Warranty

#31 vs #31

Tied - the same position in the database

Overall

#5,831 vs #512

JKM650-670N-66QL6-BDV (670W class) leads by 5,319 places

More useful comparisons

Open the full database

Same series, other bin

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (475W)

4 differences, the largest is module efficiency

Same series, other bin

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (470W)

3 differences, the largest is module efficiency

Same series, other bin

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (465W)

3 differences, the largest is module efficiency

Same series, other bin

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (460W)

One difference: module efficiency

Same series, other bin

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W)

One difference: module efficiency

Same series, other bin

Jinko Solar JKM650-670N-66QL6-BDV (670W class) vs Jinko Solar JKM650-670N-66QL6-BDV-F2-EU (670W)

The same specification on paper

Written summary

Checking cache...

Questions about this pairing

Which panel is better: Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) or Jinko Solar JKM650-670N-66QL6-BDV (670W class)?

According to our database: Jinko Solar JKM650-670N-66QL6-BDV (670 W class) has higher module efficiency (24.80% vs 22.77%); Jinko Solar JKM650-670N-66QL6-BDV (670 W class) 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 JKM450-475N-48HL4M-DB-Z2-EN (455W) and Jinko Solar JKM650-670N-66QL6-BDV (670W class)?

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455 W) has a module efficiency of 22.77%, while Jinko Solar JKM650-670N-66QL6-BDV (670 W class) is 24.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

What cell technology does Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W) use vs Jinko Solar JKM650-670N-66QL6-BDV (670W class)?

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455 W) uses TOPCon cells; Jinko Solar JKM650-670N-66QL6-BDV (670 W class) 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 JKM450-475N-48HL4M-DB-Z2-EN (455W) and Jinko Solar JKM650-670N-66QL6-BDV (670W class)?

Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455 W) has a 30 years power warranty; Jinko Solar JKM650-670N-66QL6-BDV (670 W class) 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 JKM450-475N-48HL4M-DB-Z2-EN (455W) and Jinko Solar JKM650-670N-66QL6-BDV (670W class) bifacial panels?

Jinko Solar JKM650-670N-66QL6-BDV (670 W class) is bifacial (captures light from both faces); Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455 W) is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

Shop prices: See 151 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.