Emmvee E540HCM144-B vs Emmvee E535HCM144-B
VS
The verdict
Identical on every published parameter
All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from.
How alike are they
19
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
0 of 19 parameters
What actually differs
Every comparable parameter agrees. The full specification is below.
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.
E540HCM144-B
17,501 kWh
E535HCM144-B
17,339 kWh
Lifetime gap
162 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
E540HCM144-B
E535HCM144-B
Standard test conditions
25 °C
100.0% of rated power
540 W
535 W
Cool, bright day
40 °C
94.8% of rated power
512 W
507 W
Typical summer roof
55 °C
89.5% of rated power
483 W
479 W
Hot roof
70 °C
84.2% of rated power
455 W
451 W
03
Full specification
Parameter
E540HCM144-B
E535HCM144-B
Difference
Power and efficiency
Rated power
540 Wp
535 Wp
Effectively the same
Module efficiency
20.90 %
20.71 %
Effectively the same
Power density
209.0 Wp/m²
207.1 Wp/m²
Effectively the same
Open-circuit voltage
49.50 V
49.35 V
Effectively the same
Voltage at max power
41.54 V
41.32 V
Effectively the same
Short-circuit current
13.62 A
13.59 A
Effectively the same
Current at max power
13.00 A
12.95 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
48.1 kg/kWp
48.6 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
14,129 panels
Against the whole database
Efficiency
#10,148
vs
#10,799
E540HCM144-B leads by 651 places
Power density
#10,176
vs
#10,842
E540HCM144-B leads by 666 places
Heat behaviour
#10,489
vs
#10,489
Tied - the same position in the database
Weight
#2,076
vs
#2,369
E540HCM144-B leads by 293 places
Warranty
#9,912
vs
#9,912
Tied - the same position in the database
Overall
#8,899
vs
#9,211
E540HCM144-B leads by 312 places
05
Open the full database
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06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Emmvee E540HCM144-B or Emmvee E535HCM144-B?
According to our database: Emmvee E540HCM144-B has higher module efficiency (20.90% vs 20.71%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Emmvee E540HCM144-B and Emmvee E535HCM144-B?
Emmvee E540HCM144-B has a module efficiency of 20.90%, while Emmvee E535HCM144-B is 20.71%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Emmvee E540HCM144-B use vs Emmvee E535HCM144-B?
Emmvee E540HCM144-B uses PERC cells; Emmvee E535HCM144-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 E540HCM144-B and Emmvee E535HCM144-B?
Emmvee E540HCM144-B has a 25 years power warranty; Emmvee E535HCM144-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.