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E490HCBG132 vs E500HCBG132 16 of 19 identical Swap Change panels

Emmvee E490HCBG132 vs Emmvee E500HCBG132

Emmvee E490HCBG132
Emmvee
E490HCBG132
490 Wp 20.61 % PERC Bifacial
Open panel page Datasheet PDF
VS
Emmvee E500HCBG132
Emmvee
E500HCBG132
500 Wp 21.03 % PERC Bifacial
Open panel page Datasheet PDF
The verdict

E500HCBG132 leads on the differences that matter

The largest is module efficiency: 0.42 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 E490HCBG132 E500HCBG132 Difference
Module efficiency 20.61 % 21.03 % 0.42 pp more efficient
Power density 206.1 Wp/m² 210.3 Wp/m² 4.2 Wp/m² higher
Rated power 490 Wp 500 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.
E490HCBG132
16,136 kWh
E500HCBG132
16,466 kWh
Lifetime gap
330 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario E490HCBG132 E500HCBG132
Standard test conditions 25 °C 100.0% of rated power 490 W 500 W
Cool, bright day 40 °C 94.8% of rated power 464 W 474 W
Typical summer roof 55 °C 89.5% of rated power 439 W 448 W
Hot roof 70 °C 84.2% of rated power 413 W 421 W
03

Full specification

Parameter E490HCBG132 E500HCBG132 Difference
Power and efficiency
Rated power 490 Wp 500 Wp +10 W for E500HCBG132
Module efficiency 20.61 % 21.03 % +0.42 pp for E500HCBG132
Power density 206.1 Wp/m² 210.3 Wp/m² +4.2 Wp/m² for E500HCBG132
Open-circuit voltage 44.65 V 44.92 V Effectively the same
Voltage at max power 38.94 V 39.27 V Effectively the same
Short-circuit current 13.09 A 13.24 A Effectively the same
Current at max power 12.59 A 12.74 A Effectively the same
Temperature
Temperature coefficient -0.350 %/°C -0.350 %/°C Same
Mechanical
Dimensions 2097x1134x35 mm 2097x1134x35 mm Same
Module area 2.378 m² 2.378 m² Same
Weight 28.0 kg 28.0 kg Same
Weight per kWp 57.1 kg/kWp 56.0 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 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#11,082 vs #9,671
E500HCBG132 leads by 1,411 places
Power density
#11,097 vs #9,664
E500HCBG132 leads by 1,433 places
Heat behaviour
#10,419 vs #10,419
Tied - the same position in the database
Weight
#11,083 vs #10,317
E500HCBG132 leads by 766 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#9,797 vs #9,106
E500HCBG132 leads by 691 places
05

More useful comparisons

Open the full database
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06

Written summary

07

Questions about this pairing

Which panel is better: Emmvee E490HCBG132 or Emmvee E500HCBG132?
According to our database: Emmvee E500HCBG132 has higher module efficiency (21.03% vs 20.61%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Emmvee E490HCBG132 and Emmvee E500HCBG132?
Emmvee E490HCBG132 has a module efficiency of 20.61%, while Emmvee E500HCBG132 is 21.03%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Emmvee E490HCBG132 use vs Emmvee E500HCBG132?
Emmvee E490HCBG132 uses PERC cells; Emmvee E500HCBG132 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 E490HCBG132 and Emmvee E500HCBG132?
Emmvee E490HCBG132 has a 30 years power warranty; Emmvee E500HCBG132 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 E490HCBG132 and Emmvee E500HCBG132 bifacial panels?
Both Emmvee E490HCBG132 and Emmvee E500HCBG132 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.