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JKM490-515N-60HL4-V-Z1-OC (490W bin) vs JKM610-635N-66HL4M-(V) (620W bin) 7 of 19 identical Swap Change panels

Jinko Solar JKM490-515N-60HL4-V-Z1-OC (490W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)

Jinko Solar JKM490-515N-60HL4-V-Z1-OC (490W bin)
JKM490-515N-60HL4-V-Z1-OC (490W bin)
490 Wp 22.67 % 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

12 differences, and they point both ways

The largest is rated power: 130 W more power. 7 of 19 comparable parameters are identical.

See all 12 differences
How alike are they
7 of 19 comparable
parameters are identical
identical differs
01

What actually differs

12 of 19 parameters
Parameter JKM490-515N-60HL4-V-Z1-OC (490W bin) JKM610-635N-66HL4M-(V) (620W bin) Difference
Rated power 490 Wp 620 Wp 130 W more power
Weight 22.5 kg 28.2 kg 5.7 kg lighter
Product warranty 25 yrs 12 yrs 13 yrs longer
Open-circuit voltage 43.91 V 48.95 V 5.04 V apart
Short-circuit current 14.01 A 16.15 A 2.14 A apart
Module area 2.161 m² 2.701 m² 0.540 m² apart
Module efficiency 22.67 % 22.95 % 0.28 pp more efficient
Cell technology N-type TOPCon N-type vs TOPCon
Voltage at max power 36.43 V 40.90 V 4.47 V apart
Cell count 120 132 12 cells apart
Current at max power 13.45 A 15.16 A 1.71 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 (490W bin)
16,440 kWh
JKM610-635N-66HL4M-(V) (620W bin)
20,802 kWh
Lifetime gap
4,362 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JKM490-515N-60HL4-V-Z1-OC (490W bin) JKM610-635N-66HL4M-(V) (620W bin)
Standard test conditions 25 °C 100.0% of rated power 490 W 620 W
Cool, bright day 40 °C 95.7% of rated power 469 W 593 W
Typical summer roof 55 °C 91.3% of rated power 447 W 566 W
Hot roof 70 °C 87.0% of rated power 426 W 539 W
03

Full specification

Parameter JKM490-515N-60HL4-V-Z1-OC (490W bin) JKM610-635N-66HL4M-(V) (620W bin) Difference
Power and efficiency
Rated power 490 Wp 620 Wp +130 W for JKM610-635N-66HL4M-(V) (620W bin)
Module efficiency 22.67 % 22.95 % +0.28 pp for JKM610-635N-66HL4M-(V) (620W bin)
Power density 226.7 Wp/m² 229.5 Wp/m² Effectively the same
Open-circuit voltage 43.91 V 48.95 V 5.04 V apart
Voltage at max power 36.43 V 40.90 V 4.47 V apart
Short-circuit current 14.01 A 16.15 A 2.14 A apart
Current at max power 13.45 A 15.16 A 1.71 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 (490W bin)
Weight per kWp 45.9 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 (490W 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
#3,506 vs #2,268
JKM610-635N-66HL4M-(V) (620W bin) leads by 1,238 places
Power density
#3,473 vs #2,191
JKM610-635N-66HL4M-(V) (620W bin) leads by 1,282 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#920 vs #749
JKM610-635N-66HL4M-(V) (620W bin) leads by 171 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,511 vs #2,491
JKM610-635N-66HL4M-(V) (620W bin) leads by 2,020 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (490W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (635W bin)
13 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (490W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (630W bin)
13 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (490W 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 (490W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (615W bin)
11 differences, the largest is rated power
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (490W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (610W bin)
11 differences, the largest is rated power
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (490W bin) vs Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)
4 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM490-515N-60HL4-V-Z1-OC (490W bin) or Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)?
According to our database: Jinko Solar JKM610-635N-66HL4M-(V) (620 W bin) has higher module efficiency (22.95% vs 22.67%). 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 (490W bin) and Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)?
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (490 W bin) has a module efficiency of 22.67%, 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 (490W bin) use vs Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)?
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (490 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 (490W bin) and Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)?
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (490 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 169 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.