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E715HCBG132-T vs E705HCBG132-T 16 of 19 identical Swap Change panels

Emmvee E715HCBG132-T vs Emmvee E705HCBG132-T

Emmvee
E715HCBG132-T
715 Wp 23.02 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Emmvee
E705HCBG132-T
705 Wp 22.70 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

E715HCBG132-T leads on the differences that matter

The largest is module efficiency: 0.32 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 E715HCBG132-T E705HCBG132-T Difference
Module efficiency 23.02 % 22.70 % 0.32 pp more efficient
Power density 230.2 Wp/m² 227.0 Wp/m² 3.2 Wp/m² higher
Rated power 715 Wp 705 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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
E715HCBG132-T
23,990 kWh
E705HCBG132-T
23,654 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario E715HCBG132-T E705HCBG132-T
Standard test conditions 25 °C 100.0% of rated power 715 W 705 W
Cool, bright day 40 °C 95.7% of rated power 684 W 674 W
Typical summer roof 55 °C 91.3% of rated power 653 W 644 W
Hot roof 70 °C 87.0% of rated power 622 W 613 W
03

Full specification

Parameter E715HCBG132-T E705HCBG132-T Difference
Power and efficiency
Rated power 715 Wp 705 Wp +10 W for E715HCBG132-T
Module efficiency 23.02 % 22.70 % +0.32 pp for E715HCBG132-T
Power density 230.2 Wp/m² 227.0 Wp/m² +3.2 Wp/m² for E715HCBG132-T
Open-circuit voltage 48.46 V 48.18 V Effectively the same
Voltage at max power 40.25 V 40.04 V Effectively the same
Short-circuit current 18.54 A 18.50 A Effectively the same
Current at max power 17.77 A 17.62 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 2384x1303x33 mm 2384x1303x33 mm Same
Module area 3.106 m² 3.106 m² Same
Weight 37.8 kg 37.8 kg Same
Weight per kWp 52.9 kg/kWp 53.6 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/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
#1,797 vs #3,307
E715HCBG132-T leads by 1,510 places
Power density
#2,018 vs #3,361
E715HCBG132-T leads by 1,343 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#6,576 vs #7,628
E715HCBG132-T leads by 1,052 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#678 vs #1,007
E715HCBG132-T leads by 329 places
05

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3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Emmvee E715HCBG132-T or Emmvee E705HCBG132-T?
According to our database: Emmvee E715HCBG132-T has higher module efficiency (23.02% vs 22.70%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Emmvee E715HCBG132-T and Emmvee E705HCBG132-T?
Emmvee E715HCBG132-T has a module efficiency of 23.02%, while Emmvee E705HCBG132-T is 22.70%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Emmvee E715HCBG132-T use vs Emmvee E705HCBG132-T?
Emmvee E715HCBG132-T uses TOPCon cells; Emmvee E705HCBG132-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 E715HCBG132-T and Emmvee E705HCBG132-T?
Emmvee E715HCBG132-T has a 30 years power warranty; Emmvee E705HCBG132-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 E715HCBG132-T and Emmvee E705HCBG132-T bifacial panels?
Both Emmvee E715HCBG132-T and Emmvee E705HCBG132-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.