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375-BLK vs 380-COM 18 of 19 identical Swap Change panels

Maxeon SPR-MAX3-375-BLK vs Maxeon SPR-MAX3-380-COM

Maxeon SPR-MAX3-375-BLK
Maxeon
SPR-MAX3-375-BLK
375 Wp 21.20 % Back Contact
VS
Maxeon SPR-MAX3-380-COM
Maxeon
SPR-MAX3-380-COM
380 Wp 21.50 % Back Contact
The verdict

380-COM 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 375-BLK 380-COM Difference
Module efficiency 21.20 % 21.50 % 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 (-0.270 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
375-BLK
12,741 kWh
380-COM
12,910 kWh
Lifetime gap
169 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 375-BLK 380-COM
Standard test conditions 25 °C 100.0% of rated power 375 W 380 W
Cool, bright day 40 °C 96.0% of rated power 360 W 365 W
Typical summer roof 55 °C 91.9% of rated power 345 W 349 W
Hot roof 70 °C 87.8% of rated power 329 W 334 W
03

Full specification

Parameter 375-BLK 380-COM Difference
Power and efficiency
Rated power 375 Wp 380 Wp Effectively the same
Module efficiency 21.20 % 21.50 % +0.30 pp for 380-COM
Power density 212.1 Wp/m² 215.0 Wp/m² Effectively the same
Open-circuit voltage 75.50 V 75.20 V Effectively the same
Voltage at max power 64.00 V 63.10 V Effectively the same
Short-circuit current 6.30 A 6.54 A Effectively the same
Current at max power 5.86 A 6.02 A Effectively the same
Temperature
Temperature coefficient -0.270 %/°C -0.270 %/°C Same
Mechanical
Dimensions 1690x1046x40 mm 1690x1046x40 mm Same
Module area 1.768 m² 1.768 m² Same
Weight 19.0 kg 19.0 kg Same
Weight per kWp 50.7 kg/kWp 50.0 kg/kWp Effectively the same
Warranty and degradation
Product warranty 40 yrs 40 yrs Same
Performance warranty 40 yrs 40 yrs Same
Annual degradation 0.25 %/yr 0.25 %/yr Same
Technology
Cell technology Back Contact Back Contact Same
Cell type Monocrystalline Monocrystalline Same
Cell count 104 104 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#9,076 vs #7,958
380-COM leads by 1,118 places
Power density
#9,087 vs #8,017
380-COM leads by 1,070 places
Heat behaviour
#1,280 vs #1,280
Tied - the same position in the database
Weight
#4,094 vs #3,317
380-COM leads by 777 places
Warranty
#1 vs #1
Tied - the same position in the database
Overall
#5,002 vs #4,475
380-COM leads by 527 places
05

More useful comparisons

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06

Written summary

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07

Questions about this pairing

Which panel is better: Maxeon SPR-MAX3-375-BLK or Maxeon SPR-MAX3-380-COM?
According to our database: Maxeon SPR-MAX3-380-COM has higher module efficiency (21.50% vs 21.20%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Maxeon SPR-MAX3-375-BLK and Maxeon SPR-MAX3-380-COM?
Maxeon SPR-MAX3-375-BLK has a module efficiency of 21.20%, while Maxeon SPR-MAX3-380-COM is 21.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Maxeon SPR-MAX3-375-BLK use vs Maxeon SPR-MAX3-380-COM?
Maxeon SPR-MAX3-375-BLK uses Back Contact cells; Maxeon SPR-MAX3-380-COM uses Back Contact. 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 Maxeon SPR-MAX3-375-BLK and Maxeon SPR-MAX3-380-COM?
Maxeon SPR-MAX3-375-BLK has a 40 years power warranty; Maxeon SPR-MAX3-380-COM has a 40 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 26 Maxeon 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.