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370-COM vs 375-BLK 15 of 19 identical Swap Change panels

Maxeon SPR-MAX3-370-COM vs Maxeon SPR-MAX3-375-BLK

Maxeon
SPR-MAX3-370-COM
370 Wp 20.90 % Back Contact
Open panel page Datasheet PDF
VS
Maxeon SPR-MAX3-375-BLK
Maxeon
SPR-MAX3-375-BLK
375 Wp 21.20 % Back Contact
Open panel page Datasheet PDF
The verdict

375-BLK leads on the differences that matter

The largest is performance warranty: 15 yrs longer. 15 of 19 comparable parameters are identical.

See all 4 differences
How alike are they
15 of 19 comparable
parameters are identical
identical differs
01

What actually differs

4 of 19 parameters
Parameter 370-COM 375-BLK Difference
Performance warranty 25 yrs 40 yrs 15 yrs longer
Product warranty 25 yrs 40 yrs 15 yrs longer
Module efficiency 20.90 % 21.20 % 0.30 pp more efficient
Voltage at max power 61.80 V 64.00 V 2.20 V apart
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.
370-COM
12,571 kWh
375-BLK
12,741 kWh
Lifetime gap
170 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 370-COM 375-BLK
Standard test conditions 25 °C 100.0% of rated power 370 W 375 W
Cool, bright day 40 °C 96.0% of rated power 355 W 360 W
Typical summer roof 55 °C 91.9% of rated power 340 W 345 W
Hot roof 70 °C 87.8% of rated power 325 W 329 W
03

Full specification

Parameter 370-COM 375-BLK Difference
Power and efficiency
Rated power 370 Wp 375 Wp Effectively the same
Module efficiency 20.90 % 21.20 % +0.30 pp for 375-BLK
Power density 209.3 Wp/m² 212.1 Wp/m² Effectively the same
Open-circuit voltage 74.70 V 75.50 V Effectively the same
Voltage at max power 61.80 V 64.00 V 2.20 V apart
Short-circuit current 6.52 A 6.30 A Effectively the same
Current at max power 5.99 A 5.86 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 51.4 kg/kWp 50.7 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 40 yrs +15 yrs for 375-BLK
Performance warranty 25 yrs 40 yrs +15 yrs for 375-BLK
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
#10,072 vs #9,076
375-BLK leads by 996 places
Power density
#9,991 vs #9,087
375-BLK leads by 904 places
Heat behaviour
#1,280 vs #1,280
Tied - the same position in the database
Weight
#4,718 vs #4,094
375-BLK leads by 624 places
Warranty
#9,798 vs #1
375-BLK leads by 9,797 places
Overall
#10,978 vs #5,002
375-BLK leads by 5,976 places
05

More useful comparisons

Open the full database
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Maxeon SPR-MAX3-370-COM vs Maxeon SPR-MAX3-400-COM
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Maxeon SPR-MAX3-370-COM vs Maxeon SPR-MAX3-390-COM
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Maxeon SPR-MAX3-370-COM vs Maxeon SPR-MAX3-380-COM
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Maxeon SPR-MAX3-375-BLK vs Maxeon SPR-MAX3-430-R
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Maxeon SPR-MAX3-375-BLK vs Maxeon SPR-MAX3-425-R
11 differences, the largest is module efficiency
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Maxeon SPR-MAX3-375-BLK vs Maxeon SPR-MAX3-415-R
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06

Written summary

07

Questions about this pairing

Which panel is better: Maxeon SPR-MAX3-370-COM or Maxeon SPR-MAX3-375-BLK?
According to our database: Maxeon SPR-MAX3-375-BLK has higher module efficiency (21.20% vs 20.90%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Maxeon SPR-MAX3-370-COM and Maxeon SPR-MAX3-375-BLK?
Maxeon SPR-MAX3-370-COM has a module efficiency of 20.90%, while Maxeon SPR-MAX3-375-BLK is 21.20%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Maxeon SPR-MAX3-370-COM use vs Maxeon SPR-MAX3-375-BLK?
Maxeon SPR-MAX3-370-COM uses Back Contact cells; Maxeon SPR-MAX3-375-BLK 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-MAX3-370-COM and Maxeon SPR-MAX3-375-BLK?
Maxeon SPR-MAX3-370-COM has a 25 years power warranty; Maxeon SPR-MAX3-375-BLK 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.