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72HTH-615M vs 72HVH-670M 9 of 19 identical Swap Change panels

Longi Solar LR7-72HTH-615M vs Longi Solar LR7-72HVH-670M

Longi Solar LR7-72HTH-615M
LR7-72HTH-615M
615 Wp 22.80 % N-type
Open panel page Datasheet PDF
VS
Longi Solar LR7-72HVH-670M
LR7-72HVH-670M
670 Wp 24.80 % N-type
Open panel page Datasheet PDF
The verdict

72HVH-670M leads on the differences that matter

The largest is module efficiency: 2.00 pp more efficient. 9 of 19 comparable parameters are identical.

See all 10 differences
How alike are they
9 of 19 comparable
parameters are identical
identical differs
01

What actually differs

10 of 19 parameters
Parameter 72HTH-615M 72HVH-670M Difference
Module efficiency 22.80 % 24.80 % 2.00 pp more efficient
Rated power 615 Wp 670 Wp 55 W more power
Power density 227.7 Wp/m² 248.0 Wp/m² 20.4 Wp/m² higher
Performance warranty 25 yrs 30 yrs 5 yrs longer
Temperature coefficient -0.280 %/°C -0.260 %/°C 0.020 %/°C better in heat
Weight per kWp 46.3 kg/kWp 42.5 kg/kWp 3.8 kg/kWp lighter
Annual degradation 0.40 %/yr 0.35 %/yr 0.05 %/yr slower
Open-circuit voltage 52.57 V 54.30 V 1.73 V apart
Short-circuit current 14.87 A 15.60 A 0.73 A apart
Current at max power 13.88 A 14.91 A 1.03 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
72HTH-615M
20,634 kWh
72HVH-670M
22,655 kWh
Lifetime gap
2,021 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 72HTH-615M 72HVH-670M
Standard test conditions 25 °C 100.0% of rated power 615 W 670 W
Cool, bright day 40 °C 95.8% of rated power 589 W 644 W
Typical summer roof 55 °C 91.6% of rated power 563 W 618 W
Hot roof 70 °C 87.4% of rated power 538 W 592 W
03

Full specification

Parameter 72HTH-615M 72HVH-670M Difference
Power and efficiency
Rated power 615 Wp 670 Wp +55 W for 72HVH-670M
Module efficiency 22.80 % 24.80 % +2.00 pp for 72HVH-670M
Power density 227.7 Wp/m² 248.0 Wp/m² +20.4 Wp/m² for 72HVH-670M
Open-circuit voltage 52.57 V 54.30 V 1.73 V apart
Voltage at max power 44.33 V 44.96 V Effectively the same
Short-circuit current 14.87 A 15.60 A 0.73 A apart
Current at max power 13.88 A 14.91 A 1.03 A apart
Temperature
Temperature coefficient -0.280 %/°C -0.260 %/°C +0.020 %/°C for 72HVH-670M
Mechanical
Dimensions 2382x1134x30 mm 2382x1134x30 mm Same
Module area 2.701 m² 2.701 m² Same
Weight 28.5 kg 28.5 kg Same
Weight per kWp 46.3 kg/kWp 42.5 kg/kWp -3.8 kg/kWp for 72HVH-670M
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 25 yrs 30 yrs +5 yrs for 72HVH-670M
Annual degradation 0.40 %/yr 0.35 %/yr -0.05 %/yr for 72HVH-670M
Technology
Cell technology N-type N-type Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 144 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#2,714 vs #12
72HVH-670M leads by 2,702 places
Power density
#3,077 vs #14
72HVH-670M leads by 3,063 places
Heat behaviour
#1,309 vs #511
72HVH-670M leads by 798 places
Weight
#1,120 vs #226
72HVH-670M leads by 894 places
Warranty
#9,798 vs #21
72HVH-670M leads by 9,777 places
Overall
#3,219 vs #284
72HVH-670M leads by 2,935 places
05

More useful comparisons

Open the full database
Same series, other bin
Longi Solar LR7-72HTH-615M vs Longi Solar LR7-72HTH-610M
One difference: module efficiency
Same series, other bin
Longi Solar LR7-72HTH-615M vs Longi Solar LR7-72HTH-605M
3 differences, the largest is module efficiency
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
06

Written summary

07

Questions about this pairing

Which panel is better: Longi Solar LR7-72HTH-615M or Longi Solar LR7-72HVH-670M?
According to our database: Longi Solar LR7-72HVH-670M has higher module efficiency (24.80% vs 22.80%); 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 LR7-72HTH-615M and Longi Solar LR7-72HVH-670M?
Longi Solar LR7-72HTH-615M has a module efficiency of 22.80%, while Longi Solar LR7-72HVH-670M is 24.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Longi Solar LR7-72HTH-615M use vs Longi Solar LR7-72HVH-670M?
Longi Solar LR7-72HTH-615M uses N-type cells; Longi Solar LR7-72HVH-670M 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 LR7-72HTH-615M and Longi Solar LR7-72HVH-670M?
Longi Solar LR7-72HTH-615M has a 25 years power warranty; Longi Solar LR7-72HVH-670M has a 30 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 179 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.