Longi Solar LR7-72HVH-670M vs Longi Solar LR7-54HTH-460M
VS
The verdict
72HVH-670M leads on the differences that matter
The largest is module efficiency: 2.30 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-460M
Difference
Module efficiency
24.80 %
22.50 %
2.30 pp more efficient
Rated power
670 Wp
460 Wp
210 W more power
Power density
248.0 Wp/m²
225.4 Wp/m²
22.7 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
39.35 V
14.95 V apart
Module area
2.701 m²
2.041 m²
0.660 m² apart
Weight per kWp
42.5 kg/kWp
47.0 kg/kWp
4.4 kg/kWp lighter
Annual degradation
0.35 %/yr
0.40 %/yr
0.05 %/yr slower
Voltage at max power
44.96 V
33.19 V
11.77 V apart
Cell count
144
108
36 cells apart
Short-circuit current
15.60 A
14.86 A
0.74 A apart
Current at max power
14.91 A
13.86 A
1.05 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-460M
15,434 kWh
Lifetime gap
7,221 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
72HVH-670M
54HTH-460M
Standard test conditions
25 °C
100.0% of rated power
670 W
460 W
Cool, bright day
40 °C
95.8% of rated power
644 W
441 W
Typical summer roof
55 °C
91.6% of rated power
618 W
421 W
Hot roof
70 °C
87.4% of rated power
592 W
402 W
03
Full specification
Parameter
72HVH-670M
54HTH-460M
Difference
Power and efficiency
Rated power
670 Wp
460 Wp
+210 W for 72HVH-670M
Module efficiency
24.80 %
22.50 %
+2.30 pp for 72HVH-670M
Power density
248.0 Wp/m²
225.4 Wp/m²
+22.7 Wp/m² for 72HVH-670M
Open-circuit voltage
54.30 V
39.35 V
14.95 V apart
Voltage at max power
44.96 V
33.19 V
11.77 V apart
Short-circuit current
15.60 A
14.86 A
0.74 A apart
Current at max power
14.91 A
13.86 A
1.05 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-460M
Weight per kWp
42.5 kg/kWp
47.0 kg/kWp
-4.4 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
#4,222
72HVH-670M leads by 4,210 places
Power density
#14
vs
#3,974
72HVH-670M leads by 3,960 places
Heat behaviour
#511
vs
#1,309
72HVH-670M leads by 798 places
Weight
#226
vs
#1,421
72HVH-670M leads by 1,195 places
Warranty
#21
vs
#9,798
72HVH-670M leads by 9,777 places
Overall
#284
vs
#9,052
72HVH-670M leads by 8,768 places
05
Open the full database
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Longi Solar LR7-72HVH-670M vs Longi Solar LR7-72HVH-660M
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Longi Solar LR7-72HVH-670M vs Longi Solar LR7-72HVH-645M
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Longi Solar LR7-72HVH-670M vs Longi Solar LR7-72HVH-640M
3 differences, the largest is module efficiency
06
Written summary
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07
Questions about this pairing
Which panel is better: Longi Solar LR7-72HVH-670M or Longi Solar LR7-54HTH-460M?
According to our database: Longi Solar LR7-72HVH-670M has higher module efficiency (24.80% vs 22.50%); 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-460M?
Longi Solar LR7-72HVH-670M has a module efficiency of 24.80%, while Longi Solar LR7-54HTH-460M is 22.50%. 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-460M?
Longi Solar LR7-72HVH-670M uses N-type cells; Longi Solar LR7-54HTH-460M 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-460M?
Longi Solar LR7-72HVH-670M has a 30 years power warranty; Longi Solar LR7-54HTH-460M 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 145 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.