Mission Solar MSI10-580HN4G vs Mission Solar MST12R620HN3G
VS
The verdict
MST12R620HN3G leads on the differences that matter
The largest is rated power: 40 W more power. 6 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.
See all 12 differencesHow alike are they
6
of 18 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
12 of 18 parameters
What actually differs
Parameter
MSI10-580HN4G
MST12R620HN3G
Difference
Rated power
580 Wp
620 Wp
40 W more power
Module efficiency
22.47 %
23.00 %
0.53 pp more efficient
Open-circuit voltage
52.50 V
48.50 V
4.00 V apart
Short-circuit current
13.99 A
16.26 A
2.27 A apart
Module area
2.583 m²
2.701 m²
0.118 m² apart
Power density
224.5 Wp/m²
229.5 Wp/m²
5.0 Wp/m² higher
Cell technology
TOPCon
N-type
TOPCon vs N-type
Current at max power
13.24 A
15.41 A
2.17 A apart
Cell count
144
132
12 cells apart
Voltage at max power
43.85 V
40.24 V
3.61 V apart
Weight per kWp
55.5 kg/kWp
53.2 kg/kWp
2.3 kg/kWp lighter
Dimensions
2278x1134x30 mm
2382x1134x30 mm
2278x1134x30 mm vs 2382x1134x30 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
MSI10-580HN4G
19,460 kWh
MST12R620HN3G
20,802 kWh
Lifetime gap
1,342 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
MSI10-580HN4G
MST12R620HN3G
Standard test conditions
25 °C
100.0% of rated power
580 W
620 W
Cool, bright day
40 °C
95.5% of rated power
554 W
593 W
Typical summer roof
55 °C
91.1% of rated power
528 W
566 W
Hot roof
70 °C
86.6% of rated power
502 W
539 W
03
Full specification
Parameter
MSI10-580HN4G
MST12R620HN3G
Difference
Power and efficiency
Rated power
580 Wp
620 Wp
+40 W for MST12R620HN3G
Module efficiency
22.47 %
23.00 %
+0.53 pp for MST12R620HN3G
Power density
224.5 Wp/m²
229.5 Wp/m²
+5.0 Wp/m² for MST12R620HN3G
Open-circuit voltage
52.50 V
48.50 V
4.00 V apart
Voltage at max power
43.85 V
40.24 V
3.61 V apart
Short-circuit current
13.99 A
16.26 A
2.27 A apart
Current at max power
13.24 A
15.41 A
2.17 A apart
Temperature
Temperature coefficient
-0.298 %/°C
-0.290 %/°C
Effectively the same
Mechanical
Dimensions
2278x1134x30 mm
2382x1134x30 mm
2278x1134x30 mm vs 2382x1134x30 mm
Module area
2.583 m²
2.701 m²
0.118 m² apart
Weight
32.2 kg
33.0 kg
Effectively the same
Weight per kWp
55.5 kg/kWp
53.2 kg/kWp
-2.3 kg/kWp for MST12R620HN3G
Warranty and degradation
Product warranty
12 yrs
-
Not published by Mission Solar
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.40 %/yr
0.40 %/yr
Same
Technology
Cell technology
TOPCon
N-type
TOPCon vs N-type
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
144
132
12 cells apart
Bifacial
Yes
Yes
Same
04
14,129 panels
Against the whole database
Efficiency
#4,636
vs
#1,970
MST12R620HN3G leads by 2,666 places
Power density
#4,607
vs
#2,243
MST12R620HN3G leads by 2,364 places
Heat behaviour
#6,149
vs
#2,220
MST12R620HN3G leads by 3,929 places
Weight
#9,971
vs
#7,129
MST12R620HN3G leads by 2,842 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#4,578
vs
#5,028
MSI10-580HN4G leads by 450 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: Mission Solar MSI10-580HN4G or Mission Solar MST12R620HN3G?
According to our database: Mission Solar MST12R620HN3G has higher module efficiency (23.00% vs 22.47%); Mission Solar MST12R620HN3G tolerates heat better (temp coeff -0.290%/°C vs -0.298%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Mission Solar MSI10-580HN4G and Mission Solar MST12R620HN3G?
Mission Solar MSI10-580HN4G has a module efficiency of 22.47%, while Mission Solar MST12R620HN3G is 23.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Mission Solar MSI10-580HN4G use vs Mission Solar MST12R620HN3G?
Mission Solar MSI10-580HN4G uses TOPCon cells; Mission Solar MST12R620HN3G uses N-type. 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 Mission Solar MSI10-580HN4G and Mission Solar MST12R620HN3G?
Mission Solar MSI10-580HN4G has a 30 years power warranty; Mission Solar MST12R620HN3G 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 Mission Solar MSI10-580HN4G and Mission Solar MST12R620HN3G bifacial panels?
Both Mission Solar MSI10-580HN4G and Mission Solar MST12R620HN3G 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 4 Mission Solar 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.