Longi Solar LR5-54HTB-430M vs Longi Solar LR7-72HTH-615M
VS
The verdict
LR7-72HTH-615M leads on the differences that matter
The largest is module efficiency: 0.80 pp more efficient. 5 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.
See all 13 differencesHow alike are they
5
of 18 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
13 of 18 parameters
What actually differs
Parameter
LR5-54HTB-430M
LR7-72HTH-615M
Difference
Module efficiency
22.00 %
22.80 %
0.80 pp more efficient
Rated power
430 Wp
615 Wp
185 W more power
Weight
20.8 kg
28.5 kg
7.7 kg lighter
Power density
220.2 Wp/m²
227.7 Wp/m²
7.5 Wp/m² higher
Open-circuit voltage
39.43 V
52.57 V
13.14 V apart
Module area
1.953 m²
2.701 m²
0.748 m² apart
Temperature coefficient
-0.290 %/°C
-0.280 %/°C
0.010 %/°C better in heat
Voltage at max power
33.16 V
44.33 V
11.17 V apart
Cell count
108
144
36 cells apart
Short-circuit current
14.00 A
14.87 A
0.87 A apart
Weight per kWp
48.4 kg/kWp
46.3 kg/kWp
2.0 kg/kWp lighter
Dimensions
1722x1134x30 mm
2382x1134x30 mm
1722x1134x30 mm vs 2382x1134x30 mm
Current at max power
12.97 A
13.88 A
0.91 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
LR5-54HTB-430M
14,350 kWh
LR7-72HTH-615M
20,634 kWh
Lifetime gap
6,284 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
LR5-54HTB-430M
LR7-72HTH-615M
Standard test conditions
25 °C
100.0% of rated power
430 W
615 W
Cool, bright day
40 °C
95.7% of rated power
411 W
589 W
Typical summer roof
55 °C
91.3% of rated power
393 W
563 W
Hot roof
70 °C
87.0% of rated power
374 W
538 W
03
Full specification
Parameter
LR5-54HTB-430M
LR7-72HTH-615M
Difference
Power and efficiency
Rated power
430 Wp
615 Wp
+185 W for LR7-72HTH-615M
Module efficiency
22.00 %
22.80 %
+0.80 pp for LR7-72HTH-615M
Power density
220.2 Wp/m²
227.7 Wp/m²
+7.5 Wp/m² for LR7-72HTH-615M
Open-circuit voltage
39.43 V
52.57 V
13.14 V apart
Voltage at max power
33.16 V
44.33 V
11.17 V apart
Short-circuit current
14.00 A
14.87 A
0.87 A apart
Current at max power
12.97 A
13.88 A
0.91 A apart
Temperature
Temperature coefficient
-0.290 %/°C
-0.280 %/°C
+0.010 %/°C for LR7-72HTH-615M
Mechanical
Dimensions
1722x1134x30 mm
2382x1134x30 mm
1722x1134x30 mm vs 2382x1134x30 mm
Module area
1.953 m²
2.701 m²
0.748 m² apart
Weight
20.8 kg
28.5 kg
-7.7 kg for LR5-54HTB-430M
Weight per kWp
48.4 kg/kWp
46.3 kg/kWp
-2.0 kg/kWp for LR7-72HTH-615M
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
108
144
36 cells apart
Bifacial
No
No
Same
04
14,129 panels
Against the whole database
Efficiency
#6,580
vs
#2,769
LR7-72HTH-615M leads by 3,811 places
Power density
#6,544
vs
#3,132
LR7-72HTH-615M leads by 3,412 places
Heat behaviour
#2,220
vs
#1,347
LR7-72HTH-615M leads by 873 places
Weight
#2,236
vs
#1,120
LR7-72HTH-615M leads by 1,116 places
Warranty
#9,912
vs
#9,912
Tied - the same position in the database
Overall
#10,323
vs
#3,260
LR7-72HTH-615M leads by 7,063 places
05
Open the full database
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06
Written summary
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07
Questions about this pairing
Which panel is better: Longi Solar LR5-54HTB-430M or Longi Solar LR7-72HTH-615M?
According to our database: Longi Solar LR7-72HTH-615M has higher module efficiency (22.80% vs 22.00%); Longi Solar LR7-72HTH-615M 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 LR5-54HTB-430M and Longi Solar LR7-72HTH-615M?
Longi Solar LR5-54HTB-430M has a module efficiency of 22.00%, while Longi Solar LR7-72HTH-615M is 22.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Longi Solar LR5-54HTB-430M use vs Longi Solar LR7-72HTH-615M?
Longi Solar LR5-54HTB-430M uses Monocrystalline cells; Longi Solar LR7-72HTH-615M uses N-type. 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 LR5-54HTB-430M and Longi Solar LR7-72HTH-615M?
Longi Solar LR5-54HTB-430M has a 25 years power warranty; Longi Solar LR7-72HTH-615M 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 157 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.