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E545HCBG144 vs E495HCBG132 10 of 19 identical Swap Change panels

Emmvee E545HCBG144 vs Emmvee E495HCBG132

Emmvee E545HCBG144
Emmvee
E545HCBG144
545 Wp 21.10 % PERC Bifacial
Open panel page Datasheet PDF
VS
Emmvee E495HCBG132
Emmvee
E495HCBG132
495 Wp 20.82 % PERC Bifacial
Open panel page Datasheet PDF
The verdict

E545HCBG144 leads on the differences that matter

The largest is rated power: 50 W more power. 10 of 19 comparable parameters are identical.

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

What actually differs

9 of 19 parameters
Parameter E545HCBG144 E495HCBG132 Difference
Rated power 545 Wp 495 Wp 50 W more power
Open-circuit voltage 49.75 V 44.79 V 4.96 V apart
Module area 2.583 m² 2.378 m² 0.205 m² apart
Module efficiency 21.10 % 20.82 % 0.28 pp more efficient
Weight 30.0 kg 28.0 kg 2.0 kg lighter
Cell count 144 132 12 cells apart
Short-circuit current 13.88 A 13.15 A 0.73 A apart
Voltage at max power 41.61 V 39.14 V 2.47 V apart
Dimensions 2278x1134x35 mm 2097x1134x35 mm 2278x1134x35 mm vs 2097x1134x35 mm
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.
E545HCBG144
17,947 kWh
E495HCBG132
16,301 kWh
Lifetime gap
1,646 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario E545HCBG144 E495HCBG132
Standard test conditions 25 °C 100.0% of rated power 545 W 495 W
Cool, bright day 40 °C 94.8% of rated power 516 W 469 W
Typical summer roof 55 °C 89.5% of rated power 488 W 443 W
Hot roof 70 °C 84.2% of rated power 459 W 417 W
03

Full specification

Parameter E545HCBG144 E495HCBG132 Difference
Power and efficiency
Rated power 545 Wp 495 Wp +50 W for E545HCBG144
Module efficiency 21.10 % 20.82 % +0.28 pp for E545HCBG144
Power density 211.0 Wp/m² 208.2 Wp/m² Effectively the same
Open-circuit voltage 49.75 V 44.79 V 4.96 V apart
Voltage at max power 41.61 V 39.14 V 2.47 V apart
Short-circuit current 13.88 A 13.15 A 0.73 A apart
Current at max power 13.10 A 12.65 A Effectively the same
Temperature
Temperature coefficient -0.350 %/°C -0.350 %/°C Same
Mechanical
Dimensions 2278x1134x35 mm 2097x1134x35 mm 2278x1134x35 mm vs 2097x1134x35 mm
Module area 2.583 m² 2.378 m² 0.205 m² apart
Weight 30.0 kg 28.0 kg -2.0 kg for E495HCBG132
Weight per kWp 55.0 kg/kWp 56.6 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.45 %/yr 0.45 %/yr Same
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 132 12 cells apart
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#9,297 vs #10,443
E545HCBG144 leads by 1,146 places
Power density
#9,312 vs #10,454
E545HCBG144 leads by 1,142 places
Heat behaviour
#10,419 vs #10,419
Tied - the same position in the database
Weight
#9,429 vs #10,720
E545HCBG144 leads by 1,291 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#7,375 vs #9,479
E545HCBG144 leads by 2,104 places
05

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06

Written summary

07

Questions about this pairing

Which panel is better: Emmvee E545HCBG144 or Emmvee E495HCBG132?
According to our database: Emmvee E545HCBG144 has higher module efficiency (21.10% vs 20.82%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Emmvee E545HCBG144 and Emmvee E495HCBG132?
Emmvee E545HCBG144 has a module efficiency of 21.10%, while Emmvee E495HCBG132 is 20.82%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Emmvee E545HCBG144 use vs Emmvee E495HCBG132?
Emmvee E545HCBG144 uses PERC cells; Emmvee E495HCBG132 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 E545HCBG144 and Emmvee E495HCBG132?
Emmvee E545HCBG144 has a 30 years power warranty; Emmvee E495HCBG132 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.
Are Emmvee E545HCBG144 and Emmvee E495HCBG132 bifacial panels?
Both Emmvee E545HCBG144 and Emmvee E495HCBG132 are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.

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.