JKM610-635N-66HL4M-(V) (635W bin)
vs
JKM490-515N-60HL4-V-Z1-OC (515W bin)
6 of 19 identical
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Jinko Solar JKM610-635N-66HL4M-(V) (635W bin) vs Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)
VS
The verdict
JKM490-515N-60HL4-V-Z1-OC (515W bin) leads on the differences that matter
The largest is rated power: 120 W more power. 6 of 19 comparable parameters are identical.
See all 13 differencesHow alike are they
6
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
13 of 19 parameters
What actually differs
Parameter
JKM610-635N-66HL4M-(V) (635W bin)
JKM490-515N-60HL4-V-Z1-OC (515W bin)
Difference
Rated power
635 Wp
515 Wp
120 W more power
Weight
28.2 kg
22.5 kg
5.7 kg lighter
Product warranty
12 yrs
25 yrs
13 yrs longer
Open-circuit voltage
49.43 V
44.66 V
4.77 V apart
Module area
2.701 m²
2.161 m²
0.540 m² apart
Module efficiency
23.51 %
23.83 %
0.32 pp more efficient
Short-circuit current
16.36 A
14.41 A
1.95 A apart
Cell technology
TOPCon
N-type
TOPCon vs N-type
Power density
235.1 Wp/m²
238.3 Wp/m²
3.2 Wp/m² higher
Voltage at max power
41.39 V
37.32 V
4.07 V apart
Cell count
132
120
12 cells apart
Current at max power
15.34 A
13.80 A
1.54 A apart
Dimensions
2382x1134x35 mm
1906x1134x30 mm
2382x1134x35 mm vs 1906x1134x30 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.
JKM610-635N-66HL4M-(V) (635W bin)
21,306 kWh
JKM490-515N-60HL4-V-Z1-OC (515W bin)
17,279 kWh
Lifetime gap
4,027 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
JKM610-635N-66HL4M-(V) (635W bin)
JKM490-515N-60HL4-V-Z1-OC (515W bin)
Standard test conditions
25 °C
100.0% of rated power
635 W
515 W
Cool, bright day
40 °C
95.7% of rated power
607 W
493 W
Typical summer roof
55 °C
91.3% of rated power
580 W
470 W
Hot roof
70 °C
87.0% of rated power
552 W
448 W
03
Full specification
Parameter
JKM610-635N-66HL4M-(V) (635W bin)
JKM490-515N-60HL4-V-Z1-OC (515W bin)
Difference
Power and efficiency
Rated power
635 Wp
515 Wp
+120 W for JKM610-635N-66HL4M-(V) (635W bin)
Module efficiency
23.51 %
23.83 %
+0.32 pp for JKM490-515N-60HL4-V-Z1-OC (515W bin)
Power density
235.1 Wp/m²
238.3 Wp/m²
+3.2 Wp/m² for JKM490-515N-60HL4-V-Z1-OC (515W bin)
Open-circuit voltage
49.43 V
44.66 V
4.77 V apart
Voltage at max power
41.39 V
37.32 V
4.07 V apart
Short-circuit current
16.36 A
14.41 A
1.95 A apart
Current at max power
15.34 A
13.80 A
1.54 A apart
Temperature
Temperature coefficient
-0.290 %/°C
-0.290 %/°C
Same
Mechanical
Dimensions
2382x1134x35 mm
1906x1134x30 mm
2382x1134x35 mm vs 1906x1134x30 mm
Module area
2.701 m²
2.161 m²
0.540 m² apart
Weight
28.2 kg
22.5 kg
-5.7 kg for JKM490-515N-60HL4-V-Z1-OC (515W bin)
Weight per kWp
44.4 kg/kWp
43.7 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
12 yrs
25 yrs
+13 yrs for JKM490-515N-60HL4-V-Z1-OC (515W bin)
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.40 %/yr
0.40 %/yr
Same
Technology
Cell technology
TOPCon
N-type
TOPCon vs N-type
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
132
120
12 cells apart
Bifacial
No
No
Same
04
14,005 panels
Against the whole database
Efficiency
#696
vs
#415
JKM490-515N-60HL4-V-Z1-OC (515W bin) leads by 281 places
Power density
#741
vs
#426
JKM490-515N-60HL4-V-Z1-OC (515W bin) leads by 315 places
Heat behaviour
#2,165
vs
#2,165
Tied - the same position in the database
Weight
#445
vs
#332
JKM490-515N-60HL4-V-Z1-OC (515W bin) leads by 113 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#1,683
vs
#2,355
JKM610-635N-66HL4M-(V) (635W bin) leads by 672 places
05
Open the full database
More useful comparisons
Same series, other bin
Jinko Solar JKM610-635N-66HL4M-(V) (635W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (630W bin)
The same specification on paper
Same series, other bin
Jinko Solar JKM610-635N-66HL4M-(V) (635W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (625W bin)
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM610-635N-66HL4M-(V) (635W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM610-635N-66HL4M-(V) (635W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (615W bin)
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM610-635N-66HL4M-(V) (635W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (610W bin)
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin) vs Jinko Solar JKM490-515N-60HL4-V-Z1-OC (510W bin)
One difference: module efficiency
06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Jinko Solar JKM610-635N-66HL4M-(V) (635W bin) or Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)?
According to our database: Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515 W bin) has higher module efficiency (23.83% vs 23.51%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM610-635N-66HL4M-(V) (635W bin) and Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)?
Jinko Solar JKM610-635N-66HL4M-(V) (635 W bin) has a module efficiency of 23.51%, while Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515 W bin) is 23.83%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM610-635N-66HL4M-(V) (635W bin) use vs Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)?
Jinko Solar JKM610-635N-66HL4M-(V) (635 W bin) uses TOPCon cells; Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515 W bin) uses N-type. 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 JKM610-635N-66HL4M-(V) (635W bin) and Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515W bin)?
Jinko Solar JKM610-635N-66HL4M-(V) (635 W bin) has a 30 years power warranty; Jinko Solar JKM490-515N-60HL4-V-Z1-OC (515 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.

