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560M vs 550M 16 of 19 identical Swap Change panels

Longi Solar LR7-60HVH-560M vs Longi Solar LR7-60HVH-550M

Longi Solar LR7-60HVH-560M
LR7-60HVH-560M
560 Wp 24.80 % N-type
Open panel page Datasheet PDF
VS
Longi Solar LR7-60HVH-550M
LR7-60HVH-550M
550 Wp 24.40 % N-type
Open panel page Datasheet PDF
The verdict

560M leads on the differences that matter

The largest is module efficiency: 0.40 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences
How alike are they
16 of 19 comparable
parameters are identical
identical differs
01

What actually differs

3 of 19 parameters
Parameter 560M 550M Difference
Module efficiency 24.80 % 24.40 % 0.40 pp more efficient
Power density 248.2 Wp/m² 243.7 Wp/m² 4.4 Wp/m² higher
Rated power 560 Wp 550 Wp 10 W more power
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
Same temp coeff. for both panels (-0.260 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
560M
18,935 kWh
550M
18,597 kWh
Lifetime gap
338 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 560M 550M
Standard test conditions 25 °C 100.0% of rated power 560 W 550 W
Cool, bright day 40 °C 96.1% of rated power 538 W 529 W
Typical summer roof 55 °C 92.2% of rated power 516 W 507 W
Hot roof 70 °C 88.3% of rated power 494 W 486 W
03

Full specification

Parameter 560M 550M Difference
Power and efficiency
Rated power 560 Wp 550 Wp +10 W for 560M
Module efficiency 24.80 % 24.40 % +0.40 pp for 560M
Power density 248.2 Wp/m² 243.7 Wp/m² +4.4 Wp/m² for 560M
Open-circuit voltage 45.28 V 45.08 V Effectively the same
Voltage at max power 37.51 V 37.31 V Effectively the same
Short-circuit current 15.65 A 15.45 A Effectively the same
Current at max power 14.93 A 14.74 A Effectively the same
Temperature
Temperature coefficient -0.260 %/°C -0.260 %/°C Same
Mechanical
Dimensions 1990x1134x30 mm 1990x1134x30 mm Same
Module area 2.257 m² 2.257 m² Same
Weight 25.0 kg 25.0 kg Same
Weight per kWp 44.6 kg/kWp 45.5 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.35 %/yr 0.35 %/yr Same
Technology
Cell technology N-type N-type Same
Cell type Monocrystalline Monocrystalline Same
Cell count 120 120 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#12 vs #99
560M leads by 87 places
Power density
#12 vs #128
560M leads by 116 places
Heat behaviour
#511 vs #511
Tied - the same position in the database
Weight
#498 vs #725
560M leads by 227 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#1,953 vs #2,603
560M leads by 650 places
05

More useful comparisons

Open the full database
Same series, other bin
Longi Solar LR7-60HVH-560M vs Longi Solar LR7-60HVH-555M
One difference: module efficiency
Same series, other bin
Longi Solar LR7-60HVH-560M vs Longi Solar LR7-60HVH-545M
3 differences, the largest is module efficiency
Same series, other bin
Longi Solar LR7-60HVH-560M vs Longi Solar LR7-60HVH-540M
3 differences, the largest is module efficiency
Same series, other bin
Longi Solar LR7-60HVH-560M vs Longi Solar LR7-60HVH-535M
5 differences, the largest is module efficiency
Same manufacturer
Longi Solar LR7-60HVH-560M vs Longi Solar LR7-72HVHF-670M
8 differences, the largest is rated power
Same manufacturer
Longi Solar LR7-60HVH-560M vs Longi Solar LR8-66HYD-670M
13 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Longi Solar LR7-60HVH-560M or Longi Solar LR7-60HVH-550M?
According to our database: Longi Solar LR7-60HVH-560M has higher module efficiency (24.80% vs 24.40%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Longi Solar LR7-60HVH-560M and Longi Solar LR7-60HVH-550M?
Longi Solar LR7-60HVH-560M has a module efficiency of 24.80%, while Longi Solar LR7-60HVH-550M is 24.40%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Longi Solar LR7-60HVH-560M use vs Longi Solar LR7-60HVH-550M?
Longi Solar LR7-60HVH-560M uses N-type cells; Longi Solar LR7-60HVH-550M 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 LR7-60HVH-560M and Longi Solar LR7-60HVH-550M?
Longi Solar LR7-60HVH-560M has a 30 years power warranty; Longi Solar LR7-60HVH-550M 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 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.