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VSUN425N-108BMH-DG-BB vs VSUN715N-132BMHT-DG 6 of 19 identical Swap Change panels

VSUN VSUN425N-108BMH-DG-BB vs VSUN VSUN715N-132BMHT-DG

VSUN
VSUN425N-108BMH-DG-BB
425 Wp 21.76 % TOPCon Bifacial
VS
VSUN
VSUN715N-132BMHT-DG
715 Wp 23.02 % TOPCon Bifacial
The verdict

VSUN715N-132BMHT-DG leads on the differences that matter

The largest is module efficiency: 1.26 pp more efficient. 6 of 19 comparable parameters are identical.

See all 13 differences
How alike are they
6 of 19 comparable
parameters are identical
identical differs
01

What actually differs

13 of 19 parameters
Parameter VSUN425N-108BMH-DG-BB VSUN715N-132BMHT-DG Difference
Module efficiency 21.76 % 23.02 % 1.26 pp more efficient
Rated power 425 Wp 715 Wp 290 W more power
Power density 217.6 Wp/m² 230.2 Wp/m² 12.5 Wp/m² higher
Weight 24.7 kg 38.5 kg 13.8 kg lighter
Product warranty 25 yrs 12 yrs 13 yrs longer
Open-circuit voltage 38.40 V 49.10 V 10.70 V apart
Short-circuit current 14.16 A 18.47 A 4.31 A apart
Module area 1.953 m² 3.106 m² 1.154 m² apart
Weight per kWp 58.1 kg/kWp 53.8 kg/kWp 4.3 kg/kWp lighter
Voltage at max power 31.72 V 41.10 V 9.38 V apart
Current at max power 13.40 A 17.40 A 4.00 A apart
Cell count 108 132 24 cells apart
Dimensions 1722x1134x30 mm 2384x1303x35 mm 1722x1134x30 mm vs 2384x1303x35 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 (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
VSUN425N-108BMH-DG-BB
14,260 kWh
VSUN715N-132BMHT-DG
23,990 kWh
Lifetime gap
9,730 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario VSUN425N-108BMH-DG-BB VSUN715N-132BMHT-DG
Standard test conditions 25 °C 100.0% of rated power 425 W 715 W
Cool, bright day 40 °C 95.5% of rated power 406 W 683 W
Typical summer roof 55 °C 91.0% of rated power 387 W 651 W
Hot roof 70 °C 86.5% of rated power 368 W 618 W
03

Full specification

Parameter VSUN425N-108BMH-DG-BB VSUN715N-132BMHT-DG Difference
Power and efficiency
Rated power 425 Wp 715 Wp +290 W for VSUN715N-132BMHT-DG
Module efficiency 21.76 % 23.02 % +1.26 pp for VSUN715N-132BMHT-DG
Power density 217.6 Wp/m² 230.2 Wp/m² +12.5 Wp/m² for VSUN715N-132BMHT-DG
Open-circuit voltage 38.40 V 49.10 V 10.70 V apart
Voltage at max power 31.72 V 41.10 V 9.38 V apart
Short-circuit current 14.16 A 18.47 A 4.31 A apart
Current at max power 13.40 A 17.40 A 4.00 A apart
Temperature
Temperature coefficient -0.300 %/°C -0.300 %/°C Same
Mechanical
Dimensions 1722x1134x30 mm 2384x1303x35 mm 1722x1134x30 mm vs 2384x1303x35 mm
Module area 1.953 m² 3.106 m² 1.154 m² apart
Weight 24.7 kg 38.5 kg -13.8 kg for VSUN425N-108BMH-DG-BB
Weight per kWp 58.1 kg/kWp 53.8 kg/kWp -4.3 kg/kWp for VSUN715N-132BMHT-DG
Warranty and degradation
Product warranty 25 yrs 12 yrs +13 yrs for VSUN425N-108BMH-DG-BB
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 108 132 24 cells apart
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#7,349 vs #1,847
VSUN715N-132BMHT-DG leads by 5,502 places
Power density
#7,235 vs #2,070
VSUN715N-132BMHT-DG leads by 5,165 places
Heat behaviour
#6,152 vs #6,152
Tied - the same position in the database
Weight
#11,654 vs #7,974
VSUN715N-132BMHT-DG leads by 3,680 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#8,246 vs #720
VSUN715N-132BMHT-DG leads by 7,526 places
05

More useful comparisons

Open the full database
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06

Written summary

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07

Questions about this pairing

Which panel is better: VSUN VSUN425N-108BMH-DG-BB or VSUN VSUN715N-132BMHT-DG?
According to our database: VSUN VSUN715N-132BMHT-DG has higher module efficiency (23.02% vs 21.76%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of VSUN VSUN425N-108BMH-DG-BB and VSUN VSUN715N-132BMHT-DG?
VSUN VSUN425N-108BMH-DG-BB has a module efficiency of 21.76%, while VSUN VSUN715N-132BMHT-DG is 23.02%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does VSUN VSUN425N-108BMH-DG-BB use vs VSUN VSUN715N-132BMHT-DG?
VSUN VSUN425N-108BMH-DG-BB uses TOPCon cells; VSUN VSUN715N-132BMHT-DG 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 VSUN VSUN425N-108BMH-DG-BB and VSUN VSUN715N-132BMHT-DG?
VSUN VSUN425N-108BMH-DG-BB has a 30 years power warranty; VSUN VSUN715N-132BMHT-DG 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 VSUN VSUN425N-108BMH-DG-BB and VSUN VSUN715N-132BMHT-DG bifacial panels?
Both VSUN VSUN425N-108BMH-DG-BB and VSUN VSUN715N-132BMHT-DG 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.

Shop prices: See 1 VSUN offer

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.