Resun Solar RS9H-M TOPCON-730 vs Resun Solar RS9H-M-720
VS
The verdict
M TOPCON-730 leads on the differences that matter
The largest is module efficiency: 0.32 pp more efficient. 13 of 17 comparable parameters are identical, with 2 more left out because at least one datasheet does not publish them.
See all 4 differencesHow alike are they
13
of 17 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
4 of 17 parameters
What actually differs
Parameter
M TOPCON-730
M-720
Difference
Module efficiency
23.50 %
23.18 %
0.32 pp more efficient
Power density
235.0 Wp/m²
231.8 Wp/m²
3.2 Wp/m² higher
Rated power
730 Wp
720 Wp
10 W more power
Dimensions
2384x1303x30 mm
2384x1303x35 mm
2384x1303x30 mm vs 2384x1303x35 mm
02
What it means on a roof
Thirty years of production
Declared annual degradation, with a 1.0% first-year loss assumed for both panels because at least one datasheet omits it, 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.
M TOPCON-730
24,112 kWh
M-720
23,782 kWh
Lifetime gap
330 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
M TOPCON-730
M-720
Standard test conditions
25 °C
100.0% of rated power
730 W
720 W
Cool, bright day
40 °C
95.5% of rated power
697 W
688 W
Typical summer roof
55 °C
91.0% of rated power
664 W
655 W
Hot roof
70 °C
86.5% of rated power
631 W
623 W
03
Full specification
Parameter
M TOPCON-730
M-720
Difference
Power and efficiency
Rated power
730 Wp
720 Wp
+10 W for M TOPCON-730
Module efficiency
23.50 %
23.18 %
+0.32 pp for M TOPCON-730
Power density
235.0 Wp/m²
231.8 Wp/m²
+3.2 Wp/m² for M TOPCON-730
Open-circuit voltage
49.80 V
49.40 V
Effectively the same
Voltage at max power
41.70 V
41.30 V
Effectively the same
Short-circuit current
18.59 A
18.49 A
Effectively the same
Current at max power
17.51 A
17.44 A
Effectively the same
Temperature
Temperature coefficient
-0.300 %/°C
-0.300 %/°C
Same
Mechanical
Dimensions
2384x1303x30 mm
2384x1303x35 mm
2384x1303x30 mm vs 2384x1303x35 mm
Module area
3.106 m²
3.106 m²
Same
Weight
32.3 kg
-
Not published by Resun Solar
Weight per kWp
44.2 kg/kWp
-
Not published by Resun Solar
Warranty and degradation
Product warranty
15 yrs
15 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.50 %/yr
0.50 %/yr
Same
Technology
Cell technology
TOPCon
TOPCon
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
132
132
Same
Bifacial
No
No
Same
04
14,005 panels
Against the whole database
Efficiency
#716
vs
#1,424
M TOPCON-730 leads by 708 places
Power density
#800
vs
#1,347
M TOPCON-730 leads by 547 places
Heat behaviour
#6,093
vs
#6,093
Tied - the same position in the database
Weight
#407
vs
#13,988
M TOPCON-730 leads by 13,581 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#179
vs
#535
M TOPCON-730 leads by 356 places
05
Open the full database
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06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Resun Solar RS9H-M TOPCON-730 or Resun Solar RS9H-M-720?
According to our database: Resun Solar RS9H-M TOPCON-730 has higher module efficiency (23.50% vs 23.18%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Resun Solar RS9H-M TOPCON-730 and Resun Solar RS9H-M-720?
Resun Solar RS9H-M TOPCON-730 has a module efficiency of 23.50%, while Resun Solar RS9H-M-720 is 23.18%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Resun Solar RS9H-M TOPCON-730 use vs Resun Solar RS9H-M-720?
Resun Solar RS9H-M TOPCON-730 uses TOPCon cells; Resun Solar RS9H-M-720 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 Resun Solar RS9H-M TOPCON-730 and Resun Solar RS9H-M-720?
Resun Solar RS9H-M TOPCON-730 has a 30 years power warranty; Resun Solar RS9H-M-720 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.
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.