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E615HCBG132-T vs E720HCBG132-T 10 of 19 identical Swap Change panels

Emmvee E615HCBG132-T vs Emmvee E720HCBG132-T

Emmvee
E615HCBG132-T
615 Wp 22.77 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Emmvee
E720HCBG132-T
720 Wp 23.18 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

E720HCBG132-T leads on the differences that matter

The largest is rated power: 105 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 E615HCBG132-T E720HCBG132-T Difference
Rated power 615 Wp 720 Wp 105 W more power
Weight 34.0 kg 37.8 kg 3.8 kg lighter
Module efficiency 22.77 % 23.18 % 0.41 pp more efficient
Short-circuit current 15.96 A 18.56 A 2.60 A apart
Module area 2.701 m² 3.106 m² 0.405 m² apart
Power density 227.7 Wp/m² 231.8 Wp/m² 4.1 Wp/m² higher
Weight per kWp 55.3 kg/kWp 52.5 kg/kWp 2.8 kg/kWp lighter
Current at max power 15.13 A 17.85 A 2.72 A apart
Dimensions 2382x1134x35 mm 2384x1303x33 mm 2382x1134x35 mm vs 2384x1303x33 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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
E615HCBG132-T
20,634 kWh
E720HCBG132-T
24,157 kWh
Lifetime gap
3,523 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario E615HCBG132-T E720HCBG132-T
Standard test conditions 25 °C 100.0% of rated power 615 W 720 W
Cool, bright day 40 °C 95.7% of rated power 588 W 689 W
Typical summer roof 55 °C 91.3% of rated power 561 W 657 W
Hot roof 70 °C 87.0% of rated power 535 W 626 W
03

Full specification

Parameter E615HCBG132-T E720HCBG132-T Difference
Power and efficiency
Rated power 615 Wp 720 Wp +105 W for E720HCBG132-T
Module efficiency 22.77 % 23.18 % +0.41 pp for E720HCBG132-T
Power density 227.7 Wp/m² 231.8 Wp/m² +4.1 Wp/m² for E720HCBG132-T
Open-circuit voltage 49.01 V 48.60 V Effectively the same
Voltage at max power 40.69 V 40.36 V Effectively the same
Short-circuit current 15.96 A 18.56 A 2.60 A apart
Current at max power 15.13 A 17.85 A 2.72 A apart
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 2382x1134x35 mm 2384x1303x33 mm 2382x1134x35 mm vs 2384x1303x33 mm
Module area 2.701 m² 3.106 m² 0.405 m² apart
Weight 34.0 kg 37.8 kg -3.8 kg for E615HCBG132-T
Weight per kWp 55.3 kg/kWp 52.5 kg/kWp -2.8 kg/kWp for E720HCBG132-T
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#3,073 vs #1,424
E720HCBG132-T leads by 1,649 places
Power density
#3,077 vs #1,347
E720HCBG132-T leads by 1,730 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#9,727 vs #6,043
E720HCBG132-T leads by 3,684 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,941 vs #540
E720HCBG132-T leads by 2,401 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 E615HCBG132-T or Emmvee E720HCBG132-T?
According to our database: Emmvee E720HCBG132-T has higher module efficiency (23.18% vs 22.77%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Emmvee E615HCBG132-T and Emmvee E720HCBG132-T?
Emmvee E615HCBG132-T has a module efficiency of 22.77%, while Emmvee E720HCBG132-T is 23.18%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Emmvee E615HCBG132-T use vs Emmvee E720HCBG132-T?
Emmvee E615HCBG132-T uses TOPCon cells; Emmvee E720HCBG132-T uses TOPCon. 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 E615HCBG132-T and Emmvee E720HCBG132-T?
Emmvee E615HCBG132-T has a 30 years power warranty; Emmvee E720HCBG132-T 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 E615HCBG132-T and Emmvee E720HCBG132-T bifacial panels?
Both Emmvee E615HCBG132-T and Emmvee E720HCBG132-T 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.