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72HPH-565M vs 54HPH-425M 12 of 19 identical Swap Change panels

Longi Solar LR5-72HPH-565M vs Longi Solar LR5-54HPH-425M

Longi Solar LR5-72HPH-565M
LR5-72HPH-565M
565 Wp 21.90 % PERC
Open panel page Datasheet PDF
VS
Longi Solar LR5-54HPH-425M
LR5-54HPH-425M
425 Wp 21.80 % PERC
Open panel page Datasheet PDF
The verdict

7 differences, and they point both ways

The largest is rated power: 140 W more power. 12 of 19 comparable parameters are identical.

See all 7 differences
How alike are they
12 of 19 comparable
parameters are identical
identical differs
01

What actually differs

7 of 19 parameters
Parameter 72HPH-565M 54HPH-425M Difference
Rated power 565 Wp 425 Wp 140 W more power
Weight 27.5 kg 20.8 kg 6.7 kg lighter
Open-circuit voltage 50.30 V 37.96 V 12.34 V apart
Module area 2.583 m² 1.953 m² 0.631 m² apart
Voltage at max power 42.42 V 31.94 V 10.48 V apart
Cell count 144 108 36 cells apart
Dimensions 2278x1134x35 mm 1722x1134x30 mm 2278x1134x35 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 (-0.340 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
72HPH-565M
18,311 kWh
54HPH-425M
13,774 kWh
Lifetime gap
4,537 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 72HPH-565M 54HPH-425M
Standard test conditions 25 °C 100.0% of rated power 565 W 425 W
Cool, bright day 40 °C 94.9% of rated power 536 W 403 W
Typical summer roof 55 °C 89.8% of rated power 507 W 382 W
Hot roof 70 °C 84.7% of rated power 479 W 360 W
03

Full specification

Parameter 72HPH-565M 54HPH-425M Difference
Power and efficiency
Rated power 565 Wp 425 Wp +140 W for 72HPH-565M
Module efficiency 21.90 % 21.80 % Effectively the same
Power density 218.7 Wp/m² 217.6 Wp/m² Effectively the same
Open-circuit voltage 50.30 V 37.96 V 12.34 V apart
Voltage at max power 42.42 V 31.94 V 10.48 V apart
Short-circuit current 14.16 A 14.08 A Effectively the same
Current at max power 13.32 A 13.31 A Effectively the same
Temperature
Temperature coefficient -0.340 %/°C -0.340 %/°C Same
Mechanical
Dimensions 2278x1134x35 mm 1722x1134x30 mm 2278x1134x35 mm vs 1722x1134x30 mm
Module area 2.583 m² 1.953 m² 0.631 m² apart
Weight 27.5 kg 20.8 kg -6.7 kg for 54HPH-425M
Weight per kWp 48.7 kg/kWp 48.9 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 25 yrs 25 yrs Same
Annual degradation 0.55 %/yr 0.55 %/yr Same
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 108 36 cells apart
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#6,783 vs #7,022
72HPH-565M leads by 239 places
Power density
#6,841 vs #7,172
72HPH-565M leads by 331 places
Heat behaviour
#8,778 vs #8,778
Tied - the same position in the database
Weight
#2,406 vs #2,624
72HPH-565M leads by 218 places
Warranty
#9,798 vs #9,798
Tied - the same position in the database
Overall
#6,649 vs #10,867
72HPH-565M leads by 4,218 places
05

More useful comparisons

Open the full database
Same series, other bin
Longi Solar LR5-72HPH-565M vs Longi Solar LR5-72HPH-560M
One difference: module efficiency
Same series, other bin
Longi Solar LR5-72HPH-565M vs Longi Solar LR5-72HPH-555M
3 differences, the largest is module efficiency
Same series, other bin
Longi Solar LR5-72HPH-565M vs Longi Solar LR5-72HPH-550M
3 differences, the largest is module efficiency
Same series, other bin
Longi Solar LR5-72HPH-565M vs Longi Solar LR5-72HPH-545M
3 differences, the largest is module efficiency
Same series, other bin
Longi Solar LR5-72HPH-565M vs Longi Solar LR5-66HPH-515M
8 differences, the largest is rated power
Same series, other bin
Longi Solar LR5-72HPH-565M vs Longi Solar LR5-66HPH-510M
9 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Longi Solar LR5-72HPH-565M or Longi Solar LR5-54HPH-425M?
According to our database: Longi Solar LR5-72HPH-565M has higher module efficiency (21.90% vs 21.80%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Longi Solar LR5-72HPH-565M and Longi Solar LR5-54HPH-425M?
Longi Solar LR5-72HPH-565M has a module efficiency of 21.90%, while Longi Solar LR5-54HPH-425M is 21.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Longi Solar LR5-72HPH-565M use vs Longi Solar LR5-54HPH-425M?
Longi Solar LR5-72HPH-565M uses PERC cells; Longi Solar LR5-54HPH-425M 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 Longi Solar LR5-72HPH-565M and Longi Solar LR5-54HPH-425M?
Longi Solar LR5-72HPH-565M has a 25 years power warranty; Longi Solar LR5-54HPH-425M 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 147 Longi 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.