Recom RCM-730-8DBNM vs Shinson Technology S720M66HT4BF
VS
The verdict
11 differences, and they point both ways
The largest is temperature coefficient: 0.030 %/°C better in heat. 8 of 19 comparable parameters are identical.
See all 11 differencesHow alike are they
8
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
11 of 19 parameters
What actually differs
Parameter
RCM-730-8DBNM
S720M66HT4BF
Difference
Temperature coefficient
-0.290 %/°C
-0.260 %/°C
0.030 %/°C better in heat
Module efficiency
23.50 %
23.18 %
0.32 pp more efficient
Cell technology
TOPCon
HJT
TOPCon vs HJT
Power density
235.0 Wp/m²
231.8 Wp/m²
3.2 Wp/m² higher
Annual degradation
0.40 %/yr
0.35 %/yr
0.05 %/yr slower
Rated power
730 Wp
720 Wp
10 W more power
Short-circuit current
18.64 A
17.67 A
0.97 A apart
Open-circuit voltage
49.59 V
50.74 V
1.15 V apart
Dimensions
2384x1303x33 mm
2384x1303x35 mm
2384x1303x33 mm vs 2384x1303x35 mm
Current at max power
17.62 A
16.87 A
0.75 A apart
Voltage at max power
41.44 V
42.68 V
1.24 V apart
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
RCM-730-8DBNM
24,493 kWh
S720M66HT4BF
24,345 kWh
Lifetime gap
148 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
RCM-730-8DBNM
S720M66HT4BF
Standard test conditions
25 °C
100.0% of rated power
730 W
720 W
Cool, bright day
40 °C
95.7% of rated power
698 W
692 W
Typical summer roof
55 °C
91.3% of rated power
666 W
664 W
Hot roof
70 °C
87.0% of rated power
635 W
636 W
03
Full specification
Parameter
RCM-730-8DBNM
S720M66HT4BF
Difference
Power and efficiency
Rated power
730 Wp
720 Wp
+10 W for RCM-730-8DBNM
Module efficiency
23.50 %
23.18 %
+0.32 pp for RCM-730-8DBNM
Power density
235.0 Wp/m²
231.8 Wp/m²
+3.2 Wp/m² for RCM-730-8DBNM
Open-circuit voltage
49.59 V
50.74 V
1.15 V apart
Voltage at max power
41.44 V
42.68 V
1.24 V apart
Short-circuit current
18.64 A
17.67 A
0.97 A apart
Current at max power
17.62 A
16.87 A
0.75 A apart
Temperature
Temperature coefficient
-0.290 %/°C
-0.260 %/°C
+0.030 %/°C for S720M66HT4BF
Mechanical
Dimensions
2384x1303x33 mm
2384x1303x35 mm
2384x1303x33 mm vs 2384x1303x35 mm
Module area
3.106 m²
3.106 m²
Same
Weight
37.8 kg
38.7 kg
Effectively the same
Weight per kWp
51.8 kg/kWp
53.8 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
30 yrs
30 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.40 %/yr
0.35 %/yr
-0.05 %/yr for S720M66HT4BF
Technology
Cell technology
TOPCon
HJT
TOPCon vs HJT
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
132
132
Same
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#716
vs
#1,424
RCM-730-8DBNM leads by 708 places
Power density
#800
vs
#1,347
RCM-730-8DBNM leads by 547 places
Heat behaviour
#2,165
vs
#511
S720M66HT4BF leads by 1,654 places
Weight
#5,151
vs
#7,805
RCM-730-8DBNM leads by 2,654 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#8
vs
#25
RCM-730-8DBNM leads by 17 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: Recom RCM-730-8DBNM or Shinson Technology S720M66HT4BF?
According to our database: Recom RCM-730-8DBNM has higher module efficiency (23.50% vs 23.18%); Shinson Technology S720M66HT4BF tolerates heat better (temp coeff -0.260%/°C vs -0.290%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Recom RCM-730-8DBNM and Shinson Technology S720M66HT4BF?
Recom RCM-730-8DBNM has a module efficiency of 23.50%, while Shinson Technology S720M66HT4BF is 23.18%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Recom RCM-730-8DBNM use vs Shinson Technology S720M66HT4BF?
Recom RCM-730-8DBNM uses TOPCon cells; Shinson Technology S720M66HT4BF uses HJT. 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 Recom RCM-730-8DBNM and Shinson Technology S720M66HT4BF?
Recom RCM-730-8DBNM has a 30 years power warranty; Shinson Technology S720M66HT4BF 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 Recom RCM-730-8DBNM and Shinson Technology S720M66HT4BF bifacial panels?
Both Recom RCM-730-8DBNM and Shinson Technology S720M66HT4BF 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.
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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.