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E530HCM144-B vs E540HCM144-B 16 of 19 identical Swap Change panels

Emmvee E530HCM144-B vs Emmvee E540HCM144-B

Emmvee
E530HCM144-B
530 Wp 20.52 % PERC
Open panel page Datasheet PDF
VS
Emmvee
E540HCM144-B
540 Wp 20.90 % PERC
Open panel page Datasheet PDF
The verdict

E540HCM144-B leads on the differences that matter

The largest is module efficiency: 0.38 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 E530HCM144-B E540HCM144-B Difference
Module efficiency 20.52 % 20.90 % 0.38 pp more efficient
Power density 205.2 Wp/m² 209.0 Wp/m² 3.9 Wp/m² higher
Rated power 530 Wp 540 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 (-0.350 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
E530HCM144-B
17,177 kWh
E540HCM144-B
17,501 kWh
Lifetime gap
324 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario E530HCM144-B E540HCM144-B
Standard test conditions 25 °C 100.0% of rated power 530 W 540 W
Cool, bright day 40 °C 94.8% of rated power 502 W 512 W
Typical summer roof 55 °C 89.5% of rated power 474 W 483 W
Hot roof 70 °C 84.2% of rated power 447 W 455 W
03

Full specification

Parameter E530HCM144-B E540HCM144-B Difference
Power and efficiency
Rated power 530 Wp 540 Wp +10 W for E540HCM144-B
Module efficiency 20.52 % 20.90 % +0.38 pp for E540HCM144-B
Power density 205.2 Wp/m² 209.0 Wp/m² +3.9 Wp/m² for E540HCM144-B
Open-circuit voltage 49.20 V 49.50 V Effectively the same
Voltage at max power 41.10 V 41.54 V Effectively the same
Short-circuit current 13.56 A 13.62 A Effectively the same
Current at max power 12.90 A 13.00 A Effectively the same
Temperature
Temperature coefficient -0.350 %/°C -0.350 %/°C Same
Mechanical
Dimensions 2278x1134x35 mm 2278x1134x35 mm Same
Module area 2.583 m² 2.583 m² Same
Weight 26.0 kg 26.0 kg Same
Weight per kWp 49.1 kg/kWp 48.1 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 25 yrs 25 yrs Same
Annual degradation 0.55 %/yr 0.55 %/yr Same
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
#11,325 vs #10,148
E540HCM144-B leads by 1,177 places
Power density
#11,336 vs #10,176
E540HCM144-B leads by 1,160 places
Heat behaviour
#10,489 vs #10,489
Tied - the same position in the database
Weight
#2,704 vs #2,076
E540HCM144-B leads by 628 places
Warranty
#9,912 vs #9,912
Tied - the same position in the database
Overall
#9,576 vs #8,899
E540HCM144-B leads by 677 places
05

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06

Written summary

07

Questions about this pairing

Which panel is better: Emmvee E530HCM144-B or Emmvee E540HCM144-B?
According to our database: Emmvee E540HCM144-B has higher module efficiency (20.90% vs 20.52%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Emmvee E530HCM144-B and Emmvee E540HCM144-B?
Emmvee E530HCM144-B has a module efficiency of 20.52%, while Emmvee E540HCM144-B is 20.90%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Emmvee E530HCM144-B use vs Emmvee E540HCM144-B?
Emmvee E530HCM144-B uses PERC cells; Emmvee E540HCM144-B 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 Emmvee E530HCM144-B and Emmvee E540HCM144-B?
Emmvee E530HCM144-B has a 25 years power warranty; Emmvee E540HCM144-B 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.