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JKM490-515N-60HL4-V-Z1-OC (510W bin) vs JKM610-635N-66HL4M-(V) (620W bin) 6 of 19 identical Swap Change panels

Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)

Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin)
JKM490-515N-60HL4-V-Z1-OC (510W bin)
510 Wp 23.60 % N-type
Open panel page Datasheet PDF
VS
Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)
JKM610-635N-66HL4M-(V) (620W bin)
620 Wp 22.95 % TOPCon
Open panel page Datasheet PDF
The verdict

JKM490-515N-60HL4-V-Z1-OC (510W bin) leads on the differences that matter

The largest is module efficiency: 0.65 pp more efficient. 6 of 19 comparable parameters are identical.

See all 13 differences
How alike are they
6 of 19 comparable
parameters are identical
identical differs
01

What actually differs

13 of 19 parameters
Parameter JKM490-515N-60HL4-V-Z1-OC (510W bin) JKM610-635N-66HL4M-(V) (620W bin) Difference
Module efficiency 23.60 % 22.95 % 0.65 pp more efficient
Rated power 510 Wp 620 Wp 110 W more power
Weight 22.5 kg 28.2 kg 5.7 kg lighter
Product warranty 25 yrs 12 yrs 13 yrs longer
Power density 236.0 Wp/m² 229.5 Wp/m² 6.4 Wp/m² higher
Open-circuit voltage 44.51 V 48.95 V 4.44 V apart
Module area 2.161 m² 2.701 m² 0.540 m² apart
Short-circuit current 14.33 A 16.15 A 1.82 A apart
Cell technology N-type TOPCon N-type vs TOPCon
Cell count 120 132 12 cells apart
Voltage at max power 37.15 V 40.90 V 3.75 V apart
Current at max power 13.73 A 15.16 A 1.43 A apart
Dimensions 1906x1134x30 mm 2382x1134x35 mm 1906x1134x30 mm vs 2382x1134x35 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.
JKM490-515N-60HL4-V-Z1-OC (510W bin)
17,112 kWh
JKM610-635N-66HL4M-(V) (620W bin)
20,802 kWh
Lifetime gap
3,690 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JKM490-515N-60HL4-V-Z1-OC (510W bin) JKM610-635N-66HL4M-(V) (620W bin)
Standard test conditions 25 °C 100.0% of rated power 510 W 620 W
Cool, bright day 40 °C 95.7% of rated power 488 W 593 W
Typical summer roof 55 °C 91.3% of rated power 466 W 566 W
Hot roof 70 °C 87.0% of rated power 443 W 539 W
03

Full specification

Parameter JKM490-515N-60HL4-V-Z1-OC (510W bin) JKM610-635N-66HL4M-(V) (620W bin) Difference
Power and efficiency
Rated power 510 Wp 620 Wp +110 W for JKM610-635N-66HL4M-(V) (620W bin)
Module efficiency 23.60 % 22.95 % +0.65 pp for JKM490-515N-60HL4-V-Z1-OC (510W bin)
Power density 236.0 Wp/m² 229.5 Wp/m² +6.4 Wp/m² for JKM490-515N-60HL4-V-Z1-OC (510W bin)
Open-circuit voltage 44.51 V 48.95 V 4.44 V apart
Voltage at max power 37.15 V 40.90 V 3.75 V apart
Short-circuit current 14.33 A 16.15 A 1.82 A apart
Current at max power 13.73 A 15.16 A 1.43 A apart
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1906x1134x30 mm 2382x1134x35 mm 1906x1134x30 mm vs 2382x1134x35 mm
Module area 2.161 m² 2.701 m² 0.540 m² apart
Weight 22.5 kg 28.2 kg -5.7 kg for JKM490-515N-60HL4-V-Z1-OC (510W bin)
Weight per kWp 44.1 kg/kWp 45.5 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 12 yrs +13 yrs for JKM490-515N-60HL4-V-Z1-OC (510W bin)
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 120 132 12 cells apart
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#627 vs #2,268
JKM490-515N-60HL4-V-Z1-OC (510W bin) leads by 1,641 places
Power density
#655 vs #2,191
JKM490-515N-60HL4-V-Z1-OC (510W bin) leads by 1,536 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#383 vs #749
JKM490-515N-60HL4-V-Z1-OC (510W bin) leads by 366 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,744 vs #2,491
JKM610-635N-66HL4M-(V) (620W bin) leads by 253 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (635W bin)
11 differences, the largest is rated power
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (630W bin)
12 differences, the largest is rated power
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (625W bin)
13 differences, the largest is rated power
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (615W bin)
13 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (610W bin)
14 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin) vs Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)
One difference: module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin) or Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)?
According to our database: Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510 W bin) has higher module efficiency (23.60% vs 22.95%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin) and Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)?
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510 W bin) has a module efficiency of 23.60%, while Jinko Solar JKM610-635N-66HL4M-(V) (620 W bin) is 22.95%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin) use vs Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)?
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510 W bin) uses N-type cells; Jinko Solar JKM610-635N-66HL4M-(V) (620 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 JKM490-515N-60HL4-V-Z1-OC (510W bin) and Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)?
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510 W bin) has a 30 years power warranty; Jinko Solar JKM610-635N-66HL4M-(V) (620 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.

Shop prices: See 171 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.