Name: Maxeon 3 415 Black
Brand: Maxeon

A premium all-black rooftop panel at a budget price for a home system bought as a full set, with slow aging that pays off over decades.

Price checked October 26, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

Back-contact cells with no wires across the front, so they hold up better to cracking and corrosion over decades
Loses at most 0.25% a year, slower than most rooftop panels
About 34 cents a watt at Signature Solar, very cheap for a premium-brand panel

Cons

Signature Solar sells it only in lots of 10 or more
The 40-year warranty needs a Maxeon-partner install; bought online and self-installed it’s 25 years
Rated for 1000 V systems, so long strings on 1500 V inverters need care, and only a preliminary datasheet is published

How it scores

The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.

Specifications

Output
Model number	SPR-MAX3-415-BLK-R
Rated power	415 W
Module efficiency	21.9%
Claimed efficiency	21.9% (module efficiency of the 415 W version, from the datasheet (the 420 W version is 22.2%))
Cells	Monocrystalline (112 Maxeon Gen 3 back-contact cells)
Bifacial	No
Electrical
Open-circuit voltage (Voc)	40.7 V
Voltage at max power (Vmp)	35.3 V
Short-circuit current (Isc)	12.6 A
Current at max power (Imp)	11.8 A
Voc temperature coefficient	-0.2%/°C
Series / parallel	Yes
Connections
Output connector	Stäubli MC4
Build
Weight	46.7 lb (21.2 kg)
Dimensions	71.34 x 41.18 x 1.57 in
Frame	Class 1 black anodized aluminum
Glass	high-transmission tempered, anti-reflective
Junction box rating	IP68
Warranty	25 years
Output warranty	25 years standard (40 with a Maxeon-partner install): at least 98% in year 1, then no more than 0.25% loss a year

A solid all-black bifacial rooftop panel from a big-name maker for a home system of 10 or more panels, at a mid-range price per watt.

$207.66

A US-built all-black rooftop panel at an import-like price, for homeowners or installers who want domestic content without paying a premium.

$200.47

A budget all-black rooftop panel from one of the largest makers, for homeowners who want a long warranty at the lowest price per watt.

$198