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NSM560-144 vs NSM545-144 15 of 18 identical Swap Change panels

Navitas Solar NSM560-144 vs Navitas Solar NSM545-144

Navitas Solar
NSM560-144
560 Wp 21.67 % PERC Incomplete
Open panel page Datasheet PDF
VS
Navitas Solar
NSM545-144
545 Wp 21.09 % PERC Incomplete
Open panel page Datasheet PDF
The verdict

NSM560-144 leads on the differences that matter

The largest is module efficiency: 0.58 pp more efficient. 15 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 3 differences
How alike are they
15 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

3 of 18 parameters
Parameter NSM560-144 NSM545-144 Difference
Module efficiency 21.67 % 21.09 % 0.58 pp more efficient
Power density 216.8 Wp/m² 211.0 Wp/m² 5.8 Wp/m² higher
Rated power 560 Wp 545 Wp 15 W more power
02

What it means on a roof

Thirty years of production
A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.360 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
NSM560-144
18,789 kWh
NSM545-144
18,286 kWh
Lifetime gap
503 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario NSM560-144 NSM545-144
Standard test conditions 25 °C 100.0% of rated power 560 W 545 W
Cool, bright day 40 °C 94.6% of rated power 530 W 516 W
Typical summer roof 55 °C 89.2% of rated power 500 W 486 W
Hot roof 70 °C 83.8% of rated power 469 W 457 W
03

Full specification

Parameter NSM560-144 NSM545-144 Difference
Power and efficiency
Rated power 560 Wp 545 Wp +15 W for NSM560-144
Module efficiency 21.67 % 21.09 % +0.58 pp for NSM560-144
Power density 216.8 Wp/m² 211.0 Wp/m² +5.8 Wp/m² for NSM560-144
Open-circuit voltage 50.75 V 50.30 V Effectively the same
Voltage at max power 43.14 V 42.46 V Effectively the same
Short-circuit current 13.78 A 13.65 A Effectively the same
Current at max power 12.98 A 12.84 A Effectively the same
Temperature
Temperature coefficient -0.360 %/°C -0.360 %/°C Same
Mechanical
Dimensions 2278x1134x35 mm 2278x1134x35 mm Same
Module area 2.583 m² 2.583 m² Same
Weight 29.0 kg 29.0 kg Same
Weight per kWp 51.8 kg/kWp 53.2 kg/kWp Effectively the same
Warranty and degradation
Product warranty 10 yrs 10 yrs Same
Performance warranty 25 yrs 25 yrs Same
Annual degradation - - Neither datasheet publishes this
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 144 Same
Bifacial No No Same
04

Against the whole database

14,129 panels
Efficiency
#7,652 vs #9,587
NSM560-144 leads by 1,935 places
Power density
#7,516 vs #9,380
NSM560-144 leads by 1,864 places
Heat behaviour
#12,425 vs #12,425
Tied - the same position in the database
Weight
#5,187 vs #7,112
NSM560-144 leads by 1,925 places
Warranty
#9,912 vs #9,912
Tied - the same position in the database
Overall
#7,708 vs #9,030
NSM560-144 leads by 1,322 places
05

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06

Written summary

07

Questions about this pairing

Which panel is better: Navitas Solar NSM560-144 or Navitas Solar NSM545-144?
According to our database: Navitas Solar NSM560-144 has higher module efficiency (21.67% vs 21.09%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Navitas Solar NSM560-144 and Navitas Solar NSM545-144?
Navitas Solar NSM560-144 has a module efficiency of 21.67%, while Navitas Solar NSM545-144 is 21.09%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Navitas Solar NSM560-144 use vs Navitas Solar NSM545-144?
Navitas Solar NSM560-144 uses PERC cells; Navitas Solar NSM545-144 uses PERC. 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 Navitas Solar NSM560-144 and Navitas Solar NSM545-144?
Navitas Solar NSM560-144 has a 25 years power warranty; Navitas Solar NSM545-144 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.

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.