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445HN0B vs 440HN0B 18 of 19 identical Swap Change panels

Mission Solar MSX10-445HN0B vs Mission Solar MSX10-440HN0B

Mission Solar
MSX10-445HN0B
445 Wp 22.80 % N-type
Open panel page Datasheet PDF
VS
Mission Solar
MSX10-440HN0B
440 Wp 22.50 % N-type
Open panel page Datasheet PDF
The verdict

445HN0B leads on the differences that matter

The largest is module efficiency: 0.30 pp more efficient. 18 of 19 comparable parameters are identical.

See the one difference
How alike are they
18 of 19 comparable
parameters are identical
identical differs
01

What actually differs

1 of 19 parameters
Parameter 445HN0B 440HN0B Difference
Module efficiency 22.80 % 22.50 % 0.30 pp more efficient
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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
445HN0B
14,814 kWh
440HN0B
14,648 kWh
Lifetime gap
166 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 445HN0B 440HN0B
Standard test conditions 25 °C 100.0% of rated power 445 W 440 W
Cool, bright day 40 °C 95.7% of rated power 426 W 421 W
Typical summer roof 55 °C 91.3% of rated power 406 W 402 W
Hot roof 70 °C 87.0% of rated power 387 W 383 W
03

Full specification

Parameter 445HN0B 440HN0B Difference
Power and efficiency
Rated power 445 Wp 440 Wp Effectively the same
Module efficiency 22.80 % 22.50 % +0.30 pp for 445HN0B
Power density 227.9 Wp/m² 225.3 Wp/m² Effectively the same
Open-circuit voltage 39.69 V 39.62 V Effectively the same
Voltage at max power 33.44 V 33.37 V Effectively the same
Short-circuit current 14.02 A 13.90 A Effectively the same
Current at max power 13.31 A 13.19 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1722x1134x35 mm 1722x1134x35 mm Same
Module area 1.953 m² 1.953 m² Same
Weight 21.3 kg 21.3 kg Same
Weight per kWp 47.9 kg/kWp 48.4 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 25 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.45 %/yr 0.45 %/yr Same
Technology
Cell technology N-type N-type Same
Cell type Monocrystalline Monocrystalline Same
Cell count 108 108 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#2,714 vs #4,222
445HN0B leads by 1,508 places
Power density
#2,790 vs #4,099
445HN0B leads by 1,309 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#1,948 vs #2,253
445HN0B leads by 305 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#5,891 vs #6,461
445HN0B leads by 570 places
05

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06

Written summary

07

Questions about this pairing

Which panel is better: Mission Solar MSX10-445HN0B or Mission Solar MSX10-440HN0B?
According to our database: Mission Solar MSX10-445HN0B has higher module efficiency (22.80% vs 22.50%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Mission Solar MSX10-445HN0B and Mission Solar MSX10-440HN0B?
Mission Solar MSX10-445HN0B has a module efficiency of 22.80%, while Mission Solar MSX10-440HN0B is 22.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Mission Solar MSX10-445HN0B use vs Mission Solar MSX10-440HN0B?
Mission Solar MSX10-445HN0B uses N-type cells; Mission Solar MSX10-440HN0B 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 MSX10-445HN0B and Mission Solar MSX10-440HN0B?
Mission Solar MSX10-445HN0B has a 30 years power warranty; Mission Solar MSX10-440HN0B 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.

Shop prices: See 5 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.