Longi Solar LR7-72HTH-605M vs Longi Solar LR5-54HTH-425M
VS
The verdict
LR7-72HTH-605M leads on the differences that matter
The largest is rated power: 180 W more power. 6 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.
See all 12 differencesHow alike are they
6
of 18 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
12 of 18 parameters
What actually differs
Parameter
LR7-72HTH-605M
LR5-54HTH-425M
Difference
Rated power
605 Wp
425 Wp
180 W more power
Module efficiency
22.40 %
21.80 %
0.60 pp more efficient
Weight
28.5 kg
20.8 kg
7.7 kg lighter
Power density
224.0 Wp/m²
217.6 Wp/m²
6.3 Wp/m² higher
Open-circuit voltage
52.27 V
38.93 V
13.34 V apart
Module area
2.701 m²
1.953 m²
0.748 m² apart
Temperature coefficient
-0.280 %/°C
-0.290 %/°C
0.010 %/°C better in heat
Voltage at max power
44.03 V
32.64 V
11.39 V apart
Cell count
144
108
36 cells apart
Short-circuit current
14.74 A
14.07 A
0.67 A apart
Dimensions
2382x1134x30 mm
1722x1134x30 mm
2382x1134x30 mm vs 1722x1134x30 mm
Current at max power
13.75 A
13.03 A
0.72 A apart
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
LR7-72HTH-605M
20,299 kWh
LR5-54HTH-425M
14,183 kWh
Lifetime gap
6,116 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
LR7-72HTH-605M
LR5-54HTH-425M
Standard test conditions
25 °C
100.0% of rated power
605 W
425 W
Cool, bright day
40 °C
95.7% of rated power
580 W
407 W
Typical summer roof
55 °C
91.3% of rated power
554 W
388 W
Hot roof
70 °C
87.0% of rated power
529 W
370 W
03
Full specification
Parameter
LR7-72HTH-605M
LR5-54HTH-425M
Difference
Power and efficiency
Rated power
605 Wp
425 Wp
+180 W for LR7-72HTH-605M
Module efficiency
22.40 %
21.80 %
+0.60 pp for LR7-72HTH-605M
Power density
224.0 Wp/m²
217.6 Wp/m²
+6.3 Wp/m² for LR7-72HTH-605M
Open-circuit voltage
52.27 V
38.93 V
13.34 V apart
Voltage at max power
44.03 V
32.64 V
11.39 V apart
Short-circuit current
14.74 A
14.07 A
0.67 A apart
Current at max power
13.75 A
13.03 A
0.72 A apart
Temperature
Temperature coefficient
-0.280 %/°C
-0.290 %/°C
+0.010 %/°C for LR7-72HTH-605M
Mechanical
Dimensions
2382x1134x30 mm
1722x1134x30 mm
2382x1134x30 mm vs 1722x1134x30 mm
Module area
2.701 m²
1.953 m²
0.748 m² apart
Weight
28.5 kg
20.8 kg
-7.7 kg for LR5-54HTH-425M
Weight per kWp
47.1 kg/kWp
48.9 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
15 yrs
15 yrs
Same
Performance warranty
25 yrs
25 yrs
Same
Annual degradation
0.40 %/yr
0.40 %/yr
Same
Technology
Cell technology
N-type
-
Not published by Longi Solar
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
144
108
36 cells apart
Bifacial
No
No
Same
04
14,129 panels
Against the whole database
Efficiency
#4,834
vs
#7,085
LR7-72HTH-605M leads by 2,251 places
Power density
#4,841
vs
#7,235
LR7-72HTH-605M leads by 2,394 places
Heat behaviour
#1,347
vs
#2,220
LR7-72HTH-605M leads by 873 places
Weight
#1,498
vs
#2,630
LR7-72HTH-605M leads by 1,132 places
Warranty
#9,912
vs
#9,912
Tied - the same position in the database
Overall
#4,074
vs
#10,559
LR7-72HTH-605M leads by 6,485 places
05
Open the full database
More useful comparisons
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Longi Solar LR5-54HTH-425M vs Longi Solar LR5-72HTH-580M
10 differences, the largest is module efficiency
06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Longi Solar LR7-72HTH-605M or Longi Solar LR5-54HTH-425M?
According to our database: Longi Solar LR7-72HTH-605M has higher module efficiency (22.40% vs 21.80%); Longi Solar LR7-72HTH-605M tolerates heat better (temp coeff -0.280%/°C vs -0.290%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Longi Solar LR7-72HTH-605M and Longi Solar LR5-54HTH-425M?
Longi Solar LR7-72HTH-605M has a module efficiency of 22.40%, while Longi Solar LR5-54HTH-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 LR7-72HTH-605M use vs Longi Solar LR5-54HTH-425M?
Longi Solar LR7-72HTH-605M uses N-type cells; Longi Solar LR5-54HTH-425M uses Monocrystalline. 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 LR7-72HTH-605M and Longi Solar LR5-54HTH-425M?
Longi Solar LR7-72HTH-605M has a 25 years power warranty; Longi Solar LR5-54HTH-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 152 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.