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72HT590W vs 54HT440W 8 of 19 identical Swap Change panels

Hanersun HN18N-72HT590W vs Hanersun HN18N-54HT440W

Hanersun HN18N-72HT590W
Hanersun
HN18N-72HT590W
590 Wp 22.80 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Hanersun HN18N-54HT440W
Hanersun
HN18N-54HT440W
440 Wp 22.50 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

11 differences, and they point both ways

The largest is rated power: 150 W more power. 8 of 19 comparable parameters are identical.

See all 11 differences
How alike are they
8 of 19 comparable
parameters are identical
identical differs
01

What actually differs

11 of 19 parameters
Parameter 72HT590W 54HT440W Difference
Rated power 590 Wp 440 Wp 150 W more power
Weight 30.9 kg 24.5 kg 6.4 kg lighter
Product warranty 15 yrs 25 yrs 10 yrs longer
Open-circuit voltage 51.80 V 38.70 V 13.10 V apart
Module area 2.583 m² 1.953 m² 0.631 m² apart
Module efficiency 22.80 % 22.50 % 0.30 pp more efficient
Weight per kWp 52.4 kg/kWp 55.7 kg/kWp 3.3 kg/kWp lighter
Power density 228.4 Wp/m² 225.3 Wp/m² 3.1 Wp/m² higher
Voltage at max power 43.60 V 32.70 V 10.90 V apart
Cell count 144 108 36 cells apart
Dimensions 2278x1134x30 mm 1722x1134x30 mm 2278x1134x30 mm vs 1722x1134x30 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 (-0.280 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
72HT590W
19,796 kWh
54HT440W
14,763 kWh
Lifetime gap
5,033 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 72HT590W 54HT440W
Standard test conditions 25 °C 100.0% of rated power 590 W 440 W
Cool, bright day 40 °C 95.8% of rated power 565 W 422 W
Typical summer roof 55 °C 91.6% of rated power 540 W 403 W
Hot roof 70 °C 87.4% of rated power 516 W 385 W
03

Full specification

Parameter 72HT590W 54HT440W Difference
Power and efficiency
Rated power 590 Wp 440 Wp +150 W for 72HT590W
Module efficiency 22.80 % 22.50 % +0.30 pp for 72HT590W
Power density 228.4 Wp/m² 225.3 Wp/m² +3.1 Wp/m² for 72HT590W
Open-circuit voltage 51.80 V 38.70 V 13.10 V apart
Voltage at max power 43.60 V 32.70 V 10.90 V apart
Short-circuit current 14.35 A 14.26 A Effectively the same
Current at max power 13.54 A 13.46 A Effectively the same
Temperature
Temperature coefficient -0.280 %/°C -0.280 %/°C Same
Mechanical
Dimensions 2278x1134x30 mm 1722x1134x30 mm 2278x1134x30 mm vs 1722x1134x30 mm
Module area 2.583 m² 1.953 m² 0.631 m² apart
Weight 30.9 kg 24.5 kg -6.4 kg for 54HT440W
Weight per kWp 52.4 kg/kWp 55.7 kg/kWp -3.3 kg/kWp for 72HT590W
Warranty and degradation
Product warranty 15 yrs 25 yrs +10 yrs for 54HT440W
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 108 36 cells apart
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#2,769 vs #4,281
72HT590W leads by 1,512 places
Power density
#2,653 vs #4,158
72HT590W leads by 1,505 places
Heat behaviour
#1,347 vs #1,347
Tied - the same position in the database
Weight
#5,898 vs #10,132
72HT590W leads by 4,234 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#3,186 vs #6,681
72HT590W leads by 3,495 places
05

More useful comparisons

Open the full database
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Hanersun HN18N-72HT590W vs Hanersun HN18-72H585W
6 differences, the largest is performance warranty
06

Written summary

07

Questions about this pairing

Which panel is better: Hanersun HN18N-72HT590W or Hanersun HN18N-54HT440W?
According to our database: Hanersun HN18N-72HT590 W has higher module efficiency (22.80% vs 22.50%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Hanersun HN18N-72HT590W and Hanersun HN18N-54HT440W?
Hanersun HN18N-72HT590 W has a module efficiency of 22.80%, while Hanersun HN18N-54HT440 W is 22.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Hanersun HN18N-72HT590W use vs Hanersun HN18N-54HT440W?
Hanersun HN18N-72HT590 W uses TOPCon cells; Hanersun HN18N-54HT440 W 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 Hanersun HN18N-72HT590W and Hanersun HN18N-54HT440W?
Hanersun HN18N-72HT590 W has a 30 years power warranty; Hanersun HN18N-54HT440 W 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 Hanersun HN18N-72HT590W and Hanersun HN18N-54HT440W bifacial panels?
Both Hanersun HN18N-72HT590 W and Hanersun HN18N-54HT440 W 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.

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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.