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JKM630N-66HL4M-BDV vs JKM615N-66HL4M-BDV 16 of 19 identical Swap Change panels

Jinko Solar JKM630N-66HL4M-BDV vs Jinko Solar JKM615N-66HL4M-BDV

Jinko Solar JKM630N-66HL4M-BDV
JKM630N-66HL4M-BDV
630 Wp 23.32 % N-type Bifacial
Open panel page Datasheet PDF
VS
Jinko Solar JKM615N-66HL4M-BDV
JKM615N-66HL4M-BDV
615 Wp 22.77 % N-type Bifacial
Open panel page Datasheet PDF
The verdict

JKM630N-66HL4M-BDV leads on the differences that matter

The largest is module efficiency: 0.55 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences
How alike are they
16 of 19 comparable
parameters are identical
identical differs
01

What actually differs

3 of 19 parameters
Parameter JKM630N-66HL4M-BDV JKM615N-66HL4M-BDV Difference
Module efficiency 23.32 % 22.77 % 0.55 pp more efficient
Power density 233.2 Wp/m² 227.7 Wp/m² 5.6 Wp/m² higher
Rated power 630 Wp 615 Wp 15 W more power
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.
JKM630N-66HL4M-BDV
21,138 kWh
JKM615N-66HL4M-BDV
20,634 kWh
Lifetime gap
504 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JKM630N-66HL4M-BDV JKM615N-66HL4M-BDV
Standard test conditions 25 °C 100.0% of rated power 630 W 615 W
Cool, bright day 40 °C 95.7% of rated power 603 W 588 W
Typical summer roof 55 °C 91.3% of rated power 575 W 561 W
Hot roof 70 °C 87.0% of rated power 548 W 535 W
03

Full specification

Parameter JKM630N-66HL4M-BDV JKM615N-66HL4M-BDV Difference
Power and efficiency
Rated power 630 Wp 615 Wp +15 W for JKM630N-66HL4M-BDV
Module efficiency 23.32 % 22.77 % +0.55 pp for JKM630N-66HL4M-BDV
Power density 233.2 Wp/m² 227.7 Wp/m² +5.6 Wp/m² for JKM630N-66HL4M-BDV
Open-circuit voltage 49.48 V 48.88 V Effectively the same
Voltage at max power 41.02 V 40.60 V Effectively the same
Short-circuit current 16.20 A 16.02 A Effectively the same
Current at max power 15.36 A 15.15 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 2382x1134x30 mm 2382x1134x30 mm Same
Module area 2.701 m² 2.701 m² Same
Weight 32.4 kg 32.4 kg Same
Weight per kWp 51.4 kg/kWp 52.7 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology N-type N-type Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#973 vs #3,073
JKM630N-66HL4M-BDV leads by 2,100 places
Power density
#1,003 vs #3,077
JKM630N-66HL4M-BDV leads by 2,074 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#4,804 vs #6,311
JKM630N-66HL4M-BDV leads by 1,507 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#1,962 vs #2,924
JKM630N-66HL4M-BDV leads by 962 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM630N-66HL4M-BDV vs Jinko Solar JKM640N-66HL4M-BDV
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM630N-66HL4M-BDV vs Jinko Solar JKM635N-66HL4M-BDV
The same specification on paper
Same series, other bin
Jinko Solar JKM630N-66HL4M-BDV vs Jinko Solar JKM625N-66HL4M-BDV
The same specification on paper
Same series, other bin
Jinko Solar JKM630N-66HL4M-BDV vs Jinko Solar JKM620N-66HL4M-BDV
3 differences, the largest is module efficiency
Same manufacturer
Jinko Solar JKM630N-66HL4M-BDV vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)
9 differences, the largest is rated power
Same manufacturer
Jinko Solar JKM630N-66HL4M-BDV vs Jinko Solar JKM735N-66HL5-BDV-Z3-EU
9 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM630N-66HL4M-BDV or Jinko Solar JKM615N-66HL4M-BDV?
According to our database: Jinko Solar JKM630N-66HL4M-BDV has higher module efficiency (23.32% vs 22.77%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM630N-66HL4M-BDV and Jinko Solar JKM615N-66HL4M-BDV?
Jinko Solar JKM630N-66HL4M-BDV has a module efficiency of 23.32%, while Jinko Solar JKM615N-66HL4M-BDV is 22.77%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM630N-66HL4M-BDV use vs Jinko Solar JKM615N-66HL4M-BDV?
Jinko Solar JKM630N-66HL4M-BDV uses N-type cells; Jinko Solar JKM615N-66HL4M-BDV 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 JKM630N-66HL4M-BDV and Jinko Solar JKM615N-66HL4M-BDV?
Jinko Solar JKM630N-66HL4M-BDV has a 30 years power warranty; Jinko Solar JKM615N-66HL4M-BDV 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 JKM630N-66HL4M-BDV and Jinko Solar JKM615N-66HL4M-BDV bifacial panels?
Both Jinko Solar JKM630N-66HL4M-BDV and Jinko Solar JKM615N-66HL4M-BDV 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 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.