VSUN VSUN705N-132BMHT-DG vs VSUN VSUN475N-120BMH-DG-BB
VS
The verdict
VSUN705N-132BMHT-DG leads on the differences that matter
The largest is module efficiency: 0.75 pp more efficient. 7 of 19 comparable parameters are identical.
See all 12 differencesHow alike are they
7
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
12 of 19 parameters
What actually differs
Parameter
VSUN705N-132BMHT-DG
VSUN475N-120BMH-DG-BB
Difference
Module efficiency
22.70 %
21.95 %
0.75 pp more efficient
Rated power
705 Wp
475 Wp
230 W more power
Weight
38.5 kg
26.7 kg
11.8 kg lighter
Product warranty
12 yrs
25 yrs
13 yrs longer
Power density
227.0 Wp/m²
219.5 Wp/m²
7.4 Wp/m² higher
Open-circuit voltage
48.70 V
42.53 V
6.17 V apart
Short-circuit current
18.37 A
14.23 A
4.14 A apart
Module area
3.106 m²
2.164 m²
0.943 m² apart
Voltage at max power
40.70 V
35.23 V
5.47 V apart
Current at max power
17.33 A
13.49 A
3.84 A apart
Cell count
132
120
12 cells apart
Dimensions
2384x1303x35 mm
1908x1134x30 mm
2384x1303x35 mm vs 1908x1134x30 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.
VSUN705N-132BMHT-DG
23,654 kWh
VSUN475N-120BMH-DG-BB
15,937 kWh
Lifetime gap
7,717 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
VSUN705N-132BMHT-DG
VSUN475N-120BMH-DG-BB
Standard test conditions
25 °C
100.0% of rated power
705 W
475 W
Cool, bright day
40 °C
95.5% of rated power
673 W
454 W
Typical summer roof
55 °C
91.0% of rated power
642 W
432 W
Hot roof
70 °C
86.5% of rated power
610 W
411 W
03
Full specification
Parameter
VSUN705N-132BMHT-DG
VSUN475N-120BMH-DG-BB
Difference
Power and efficiency
Rated power
705 Wp
475 Wp
+230 W for VSUN705N-132BMHT-DG
Module efficiency
22.70 %
21.95 %
+0.75 pp for VSUN705N-132BMHT-DG
Power density
227.0 Wp/m²
219.5 Wp/m²
+7.4 Wp/m² for VSUN705N-132BMHT-DG
Open-circuit voltage
48.70 V
42.53 V
6.17 V apart
Voltage at max power
40.70 V
35.23 V
5.47 V apart
Short-circuit current
18.37 A
14.23 A
4.14 A apart
Current at max power
17.33 A
13.49 A
3.84 A apart
Temperature
Temperature coefficient
-0.300 %/°C
-0.300 %/°C
Same
Mechanical
Dimensions
2384x1303x35 mm
1908x1134x30 mm
2384x1303x35 mm vs 1908x1134x30 mm
Module area
3.106 m²
2.164 m²
0.943 m² apart
Weight
38.5 kg
26.7 kg
-11.8 kg for VSUN475N-120BMH-DG-BB
Weight per kWp
54.6 kg/kWp
56.2 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
12 yrs
25 yrs
+13 yrs for VSUN475N-120BMH-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
132
120
12 cells apart
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#3,307
vs
#6,745
VSUN705N-132BMHT-DG leads by 3,438 places
Power density
#3,361
vs
#6,702
VSUN705N-132BMHT-DG leads by 3,341 places
Heat behaviour
#6,093
vs
#6,093
Tied - the same position in the database
Weight
#8,959
vs
#10,496
VSUN705N-132BMHT-DG leads by 1,537 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#1,037
vs
#6,005
VSUN705N-132BMHT-DG leads by 4,968 places
05
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 VSUN705N-132BMHT-DG or VSUN VSUN475N-120BMH-DG-BB?
According to our database: VSUN VSUN705N-132BMHT-DG has higher module efficiency (22.70% vs 21.95%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of VSUN VSUN705N-132BMHT-DG and VSUN VSUN475N-120BMH-DG-BB?
VSUN VSUN705N-132BMHT-DG has a module efficiency of 22.70%, while VSUN VSUN475N-120BMH-DG-BB is 21.95%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does VSUN VSUN705N-132BMHT-DG use vs VSUN VSUN475N-120BMH-DG-BB?
VSUN VSUN705N-132BMHT-DG uses TOPCon cells; VSUN VSUN475N-120BMH-DG-BB 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 VSUN705N-132BMHT-DG and VSUN VSUN475N-120BMH-DG-BB?
VSUN VSUN705N-132BMHT-DG has a 30 years power warranty; VSUN VSUN475N-120BMH-DG-BB 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 VSUN705N-132BMHT-DG and VSUN VSUN475N-120BMH-DG-BB bifacial panels?
Both VSUN VSUN705N-132BMHT-DG and VSUN VSUN475N-120BMH-DG-BB 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 2 VSUN offers
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.