Longi Solar LR7-72HVH-670M vs Longi Solar LR7-54HTH-455M
VS
The verdict
72HVH-670M leads on the differences that matter
The largest is module efficiency: 2.50 pp more efficient. 4 of 19 comparable parameters are identical.
See all 15 differencesHow alike are they
4
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
15 of 19 parameters
What actually differs
Parameter
72HVH-670M
54HTH-455M
Difference
Module efficiency
24.80 %
22.30 %
2.50 pp more efficient
Rated power
670 Wp
455 Wp
215 W more power
Power density
248.0 Wp/m²
222.9 Wp/m²
25.1 Wp/m² higher
Performance warranty
30 yrs
25 yrs
5 yrs longer
Weight
28.5 kg
21.6 kg
6.9 kg lighter
Temperature coefficient
-0.260 %/°C
-0.280 %/°C
0.020 %/°C better in heat
Open-circuit voltage
54.30 V
39.15 V
15.15 V apart
Module area
2.701 m²
2.041 m²
0.660 m² apart
Weight per kWp
42.5 kg/kWp
47.5 kg/kWp
4.9 kg/kWp lighter
Annual degradation
0.35 %/yr
0.40 %/yr
0.05 %/yr slower
Voltage at max power
44.96 V
32.98 V
11.98 V apart
Cell count
144
108
36 cells apart
Short-circuit current
15.60 A
14.79 A
0.81 A apart
Current at max power
14.91 A
13.80 A
1.11 A apart
Dimensions
2382x1134x30 mm
1800x1134x30 mm
2382x1134x30 mm vs 1800x1134x30 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
72HVH-670M
22,655 kWh
54HTH-455M
15,266 kWh
Lifetime gap
7,389 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
72HVH-670M
54HTH-455M
Standard test conditions
25 °C
100.0% of rated power
670 W
455 W
Cool, bright day
40 °C
95.8% of rated power
644 W
436 W
Typical summer roof
55 °C
91.6% of rated power
618 W
417 W
Hot roof
70 °C
87.4% of rated power
592 W
398 W
03
Full specification
Parameter
72HVH-670M
54HTH-455M
Difference
Power and efficiency
Rated power
670 Wp
455 Wp
+215 W for 72HVH-670M
Module efficiency
24.80 %
22.30 %
+2.50 pp for 72HVH-670M
Power density
248.0 Wp/m²
222.9 Wp/m²
+25.1 Wp/m² for 72HVH-670M
Open-circuit voltage
54.30 V
39.15 V
15.15 V apart
Voltage at max power
44.96 V
32.98 V
11.98 V apart
Short-circuit current
15.60 A
14.79 A
0.81 A apart
Current at max power
14.91 A
13.80 A
1.11 A apart
Temperature
Temperature coefficient
-0.260 %/°C
-0.280 %/°C
+0.020 %/°C for 72HVH-670M
Mechanical
Dimensions
2382x1134x30 mm
1800x1134x30 mm
2382x1134x30 mm vs 1800x1134x30 mm
Module area
2.701 m²
2.041 m²
0.660 m² apart
Weight
28.5 kg
21.6 kg
-6.9 kg for 54HTH-455M
Weight per kWp
42.5 kg/kWp
47.5 kg/kWp
-4.9 kg/kWp for 72HVH-670M
Warranty and degradation
Product warranty
15 yrs
15 yrs
Same
Performance warranty
30 yrs
25 yrs
+5 yrs for 72HVH-670M
Annual degradation
0.35 %/yr
0.40 %/yr
-0.05 %/yr for 72HVH-670M
Technology
Cell technology
N-type
N-type
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
144
108
36 cells apart
Bifacial
No
No
Same
04
14,005 panels
Against the whole database
Efficiency
#12
vs
#5,100
72HVH-670M leads by 5,088 places
Power density
#14
vs
#5,100
72HVH-670M leads by 5,086 places
Heat behaviour
#511
vs
#1,309
72HVH-670M leads by 798 places
Weight
#226
vs
#1,700
72HVH-670M leads by 1,474 places
Warranty
#21
vs
#9,798
72HVH-670M leads by 9,777 places
Overall
#284
vs
#9,419
72HVH-670M leads by 9,135 places
05
Open the full database
More useful comparisons
Same series, other bin
Longi Solar LR7-72HVH-670M vs Longi Solar LR7-72HVH-665M
One difference: module efficiency
Same series, other bin
Longi Solar LR7-72HVH-670M vs Longi Solar LR7-72HVH-660M
3 differences, the largest is module efficiency
Same series, other bin
Longi Solar LR7-72HVH-670M vs Longi Solar LR7-72HVH-655M
3 differences, the largest is module efficiency
Same series, other bin
Longi Solar LR7-72HVH-670M vs Longi Solar LR7-72HVH-650M
3 differences, the largest is module efficiency
Same series, other bin
Longi Solar LR7-72HVH-670M vs Longi Solar LR7-72HVH-645M
3 differences, the largest is module efficiency
Same series, other bin
Longi Solar LR7-72HVH-670M vs Longi Solar LR7-72HVH-640M
3 differences, the largest is module efficiency
06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Longi Solar LR7-72HVH-670M or Longi Solar LR7-54HTH-455M?
According to our database: Longi Solar LR7-72HVH-670M has higher module efficiency (24.80% vs 22.30%); Longi Solar LR7-72HVH-670M tolerates heat better (temp coeff -0.260%/°C vs -0.280%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Longi Solar LR7-72HVH-670M and Longi Solar LR7-54HTH-455M?
Longi Solar LR7-72HVH-670M has a module efficiency of 24.80%, while Longi Solar LR7-54HTH-455M is 22.30%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Longi Solar LR7-72HVH-670M use vs Longi Solar LR7-54HTH-455M?
Longi Solar LR7-72HVH-670M uses N-type cells; Longi Solar LR7-54HTH-455M 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 LR7-72HVH-670M and Longi Solar LR7-54HTH-455M?
Longi Solar LR7-72HVH-670M has a 30 years power warranty; Longi Solar LR7-54HTH-455M 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 174 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.