Skip to main content
JS182MHC144-550 vs JS182MHC120-450 6 of 17 identical Swap Change panels

Jinko Solar JS182MHC144-550 vs Jinko Solar JS182MHC120-450

JS182MHC144-550
550 Wp 21.28 % PERC Incomplete
Open panel page Datasheet PDF
VS
JS182MHC120-450
450 Wp 20.79 % PERC Incomplete
Open panel page Datasheet PDF
The verdict

JS182MHC144-550 leads on the differences that matter

The largest is rated power: 100 W more power. 6 of 17 comparable parameters are identical, with 2 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
6 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 17 parameters
Parameter JS182MHC144-550 JS182MHC120-450 Difference
Rated power 550 Wp 450 Wp 100 W more power
Module efficiency 21.28 % 20.79 % 0.49 pp more efficient
Weight 26.5 kg 23.0 kg 3.5 kg lighter
Open-circuit voltage 49.80 V 41.40 V 8.40 V apart
Module area 2.584 m² 2.165 m² 0.420 m² apart
Power density 212.8 Wp/m² 207.9 Wp/m² 4.9 Wp/m² higher
Temperature coefficient -0.350 %/°C -0.340 %/°C 0.010 %/°C better in heat
Weight per kWp 48.2 kg/kWp 51.1 kg/kWp 2.9 kg/kWp lighter
Voltage at max power 42.00 V 34.70 V 7.30 V apart
Cell count 144 120 24 cells apart
Dimensions 2279x1134x35 mm 1909x1134x30 mm 2279x1134x35 mm vs 1909x1134x30 mm
02

What it means on a roof

Thirty years of production
A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year
JS182MHC144-550
18,454 kWh
JS182MHC120-450
15,098 kWh
Lifetime gap
3,356 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JS182MHC144-550 JS182MHC120-450
Standard test conditions 25 °C 100.0% of rated power 550 W 450 W
Cool, bright day 40 °C 94.8% of rated power 521 W 427 W
Typical summer roof 55 °C 89.5% of rated power 492 W 404 W
Hot roof 70 °C 84.2% of rated power 463 W 381 W
03

Full specification

Parameter JS182MHC144-550 JS182MHC120-450 Difference
Power and efficiency
Rated power 550 Wp 450 Wp +100 W for JS182MHC144-550
Module efficiency 21.28 % 20.79 % +0.49 pp for JS182MHC144-550
Power density 212.8 Wp/m² 207.9 Wp/m² +4.9 Wp/m² for JS182MHC144-550
Open-circuit voltage 49.80 V 41.40 V 8.40 V apart
Voltage at max power 42.00 V 34.70 V 7.30 V apart
Short-circuit current 13.98 A 13.68 A Effectively the same
Current at max power 13.10 A 12.96 A Effectively the same
Temperature
Temperature coefficient -0.350 %/°C -0.340 %/°C +0.010 %/°C for JS182MHC120-450
Mechanical
Dimensions 2279x1134x35 mm 1909x1134x30 mm 2279x1134x35 mm vs 1909x1134x30 mm
Module area 2.584 m² 2.165 m² 0.420 m² apart
Weight 26.5 kg 23.0 kg -3.5 kg for JS182MHC120-450
Weight per kWp 48.2 kg/kWp 51.1 kg/kWp -2.9 kg/kWp for JS182MHC144-550
Warranty and degradation
Product warranty - - Neither datasheet publishes this
Performance warranty 25 yrs 25 yrs Same
Annual degradation - - Neither datasheet publishes this
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 120 24 cells apart
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#8,795 vs #10,558
JS182MHC144-550 leads by 1,763 places
Power density
#8,643 vs #10,500
JS182MHC144-550 leads by 1,857 places
Heat behaviour
#10,419 vs #8,778
JS182MHC120-450 leads by 1,641 places
Weight
#2,087 vs #4,436
JS182MHC144-550 leads by 2,349 places
Warranty
#9,798 vs #9,798
Tied - the same position in the database
Overall
#10,186 vs #12,249
JS182MHC144-550 leads by 2,063 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JS182MHC144-550 vs Jinko Solar JS182MHC144-545
The same specification on paper
Same series, other bin
Jinko Solar JS182MHC144-550 vs Jinko Solar JS182MHC144-540
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JS182MHC144-550 vs Jinko Solar JS182MHC144-535
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JS182MHC144-550 vs Jinko Solar JS182MHC144-530
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JS182MHC144-550 vs Jinko Solar JS182MHC144-525
5 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JS182MHC144-550 vs Jinko Solar JS182MHC132-510
8 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JS182MHC144-550 or Jinko Solar JS182MHC120-450?
According to our database: Jinko Solar JS182MHC144-550 has higher module efficiency (21.28% vs 20.79%); Jinko Solar JS182MHC120-450 tolerates heat better (temp coeff -0.340%/°C vs -0.350%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JS182MHC144-550 and Jinko Solar JS182MHC120-450?
Jinko Solar JS182MHC144-550 has a module efficiency of 21.28%, while Jinko Solar JS182MHC120-450 is 20.79%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JS182MHC144-550 use vs Jinko Solar JS182MHC120-450?
Jinko Solar JS182MHC144-550 uses PERC cells; Jinko Solar JS182MHC120-450 uses PERC. 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 JS182MHC144-550 and Jinko Solar JS182MHC120-450?
Jinko Solar JS182MHC144-550 has a 25 years power warranty; Jinko Solar JS182MHC120-450 has a 25 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 174 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.