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JS182MHC120-450 vs JS182MHC144-545 6 of 17 identical Swap Change panels

Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-545

JS182MHC120-450
450 Wp 20.79 % PERC Incomplete
Open panel page Datasheet PDF
VS
JS182MHC144-545
545 Wp 21.09 % PERC Incomplete
Open panel page Datasheet PDF
The verdict

JS182MHC144-545 leads on the differences that matter

The largest is rated power: 95 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 JS182MHC120-450 JS182MHC144-545 Difference
Rated power 450 Wp 545 Wp 95 W more power
Weight 23.0 kg 26.5 kg 3.5 kg lighter
Open-circuit voltage 41.40 V 49.70 V 8.30 V apart
Module area 2.165 m² 2.584 m² 0.420 m² apart
Module efficiency 20.79 % 21.09 % 0.30 pp more efficient
Temperature coefficient -0.340 %/°C -0.350 %/°C 0.010 %/°C better in heat
Power density 207.9 Wp/m² 210.9 Wp/m² 3.0 Wp/m² higher
Voltage at max power 34.70 V 41.80 V 7.10 V apart
Cell count 120 144 24 cells apart
Weight per kWp 51.1 kg/kWp 48.6 kg/kWp 2.5 kg/kWp lighter
Dimensions 1909x1134x30 mm 2279x1134x35 mm 1909x1134x30 mm vs 2279x1134x35 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
JS182MHC120-450
15,098 kWh
JS182MHC144-545
18,286 kWh
Lifetime gap
3,188 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JS182MHC120-450 JS182MHC144-545
Standard test conditions 25 °C 100.0% of rated power 450 W 545 W
Cool, bright day 40 °C 94.8% of rated power 427 W 516 W
Typical summer roof 55 °C 89.5% of rated power 404 W 488 W
Hot roof 70 °C 84.2% of rated power 381 W 459 W
03

Full specification

Parameter JS182MHC120-450 JS182MHC144-545 Difference
Power and efficiency
Rated power 450 Wp 545 Wp +95 W for JS182MHC144-545
Module efficiency 20.79 % 21.09 % +0.30 pp for JS182MHC144-545
Power density 207.9 Wp/m² 210.9 Wp/m² +3.0 Wp/m² for JS182MHC144-545
Open-circuit voltage 41.40 V 49.70 V 8.30 V apart
Voltage at max power 34.70 V 41.80 V 7.10 V apart
Short-circuit current 13.68 A 13.91 A Effectively the same
Current at max power 12.96 A 13.04 A Effectively the same
Temperature
Temperature coefficient -0.340 %/°C -0.350 %/°C +0.010 %/°C for JS182MHC120-450
Mechanical
Dimensions 1909x1134x30 mm 2279x1134x35 mm 1909x1134x30 mm vs 2279x1134x35 mm
Module area 2.165 m² 2.584 m² 0.420 m² apart
Weight 23.0 kg 26.5 kg -3.5 kg for JS182MHC120-450
Weight per kWp 51.1 kg/kWp 48.6 kg/kWp -2.5 kg/kWp for JS182MHC144-545
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 120 144 24 cells apart
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#10,558 vs #9,519
JS182MHC144-545 leads by 1,039 places
Power density
#10,500 vs #9,399
JS182MHC144-545 leads by 1,101 places
Heat behaviour
#8,778 vs #10,419
JS182MHC120-450 leads by 1,641 places
Weight
#4,436 vs #2,373
JS182MHC144-545 leads by 2,063 places
Warranty
#9,798 vs #9,798
Tied - the same position in the database
Overall
#12,249 vs #10,397
JS182MHC144-545 leads by 1,852 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-550
11 differences, the largest is rated power
Same series, other bin
Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-540
9 differences, the largest is rated power
Same series, other bin
Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-535
8 differences, the largest is rated power
Same series, other bin
Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-530
9 differences, the largest is rated power
Same series, other bin
Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC144-525
10 differences, the largest is rated power
Same series, other bin
Jinko Solar JS182MHC120-450 vs Jinko Solar JS182MHC132-510
9 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JS182MHC120-450 or Jinko Solar JS182MHC144-545?
According to our database: Jinko Solar JS182MHC144-545 has higher module efficiency (21.09% 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 JS182MHC120-450 and Jinko Solar JS182MHC144-545?
Jinko Solar JS182MHC120-450 has a module efficiency of 20.79%, while Jinko Solar JS182MHC144-545 is 21.09%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JS182MHC120-450 use vs Jinko Solar JS182MHC144-545?
Jinko Solar JS182MHC120-450 uses PERC cells; Jinko Solar JS182MHC144-545 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 JS182MHC120-450 and Jinko Solar JS182MHC144-545?
Jinko Solar JS182MHC120-450 has a 25 years power warranty; Jinko Solar JS182MHC144-545 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 158 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.