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Maxeon Brand review

SPR-E-Flex-100

100 Wp Flexible
ComparePV verdict

Light for its output, short guarantee

Rank 13,750 of 14,005
Compare panels Datasheet PDF
Power (Wp)
100
Weak · bottom 17%
Efficiency (%)
15.40
Typical · median 15.70%
Density (Wp/m²)
154.4
Typical · median 156.3
Temp (%/°C)
-0.300
Strong · top 12%
Weight (kg)
2.0
Strong · 9.2 kg below median
Warranty (yrs)
5
Weak · bottom 1%

Maxeon SPR-E-Flex photovoltaic panels are a technologically advanced solution based on unique Maxeon IBC cell technology, which sets completely new efficiency standards in the flexible module category. Unlike standard products available on the market, this series utilizes a patented, solid copper cell foundation, which provides exceptional resistance to corrosion and micro-cracks resulting from natural mechanical stress. The innovative design, free of front-side conductive tracks, allows for maximum use of incoming light while eliminating the risk of harmful hot spots. It is an ideal choice for the most demanding users looking for power on curved surfaces, such as the roofs of modern motorhomes, caravans, or yacht decks, where traditional, heavy panels in rigid frames cannot be installed. Thanks to the unique ability to bend up to 30 degrees and very low weight, SPR-E-Flex modules guarantee maximum mobility and ease of installation without the need for interference with the vehicle or boat hull structure. Choosing this series effectively solves the problem of limited installation space and difficult weather conditions, offering stable and trouble-free operation even in aggressive marine environments. It is currently the highest efficiency in the flexible segment, which significantly outperforms the competition in terms of longevity and real energy yields per square meter of surface area.

Ranking

223 panels in the 0-200 W band, all technologies
Metric This panel Median Position in segment Overall rank
Module efficiency 15.40% 15.70% Typical 13,734
Power density 154.4 156.3 Typical 13,717
Temperature coefficient -0.300 -0.370 Strong · top 12% 6,093
Weight per kWp 20.0 72.0 Strong · top 3% 74
Performance warranty 5 yrs 25 yrs Weak · bottom 1% 13,878
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Price offers

1 from shops we track
Shop Country Price Per kWp Stock Offer updated Link to shop
www.teknosolar.com Spain 130 € incl. VAT 1 300 €/kWp In stock 18h ago Visit shop

Signals from the data

6 positive · 4 caution
Best for

Off-grid.

Not ideal for

Owners who want a long output guarantee.

Strengths
20.0 kg per kWp

Top 3% of the 0-200 W band, against a median of 72.0. Ranked 74th in the whole database.

-0.300 %/°C temperature coefficient

Top 12% of the 0-200 W band, against a median of -0.370.

Watch-outs
5 year performance warranty

Bottom 1% of the 0-200 W band, against a median of 25 yrs. Ranked 13,878th in the whole database.

What owners get
Maxeon IBC back-contact cells

The absence of front conducting paths on the cell surface maximizes light absorption and eliminates hot-spot risk, a unique design in the flexible panel segment dominated by cheaper standard monocrystalline technology.

Copper cell foundation

The patented, robust copper cell base provides resistance to corrosion and microcracks under bending stress, unlike conventional flexible cells that degrade under moisture and mechanical strain.

Flex up to 30 degrees

Panels can be mounted on curved surfaces (RV roofs, yacht decks) without altering the hull or roof structure, eliminating the need for the heavy, rigid frames required by traditional modules.

Tier-1, bankable manufacturer

Maxeon (Singapore, founded 2020) is recognized as a Tier-1 bankable supplier, reducing risk related to manufacturing quality and technical support compared to lesser-known niche flexible-panel makers such as Sunket New Energy.

Trade-offs
Production discontinued (2022)

The SPR-E-Flex series was discontinued in 2022, meaning limited availability of replacement parts and service support for new installations over the long term.

Short warranty for a Tier-1 product

The 5-year product and power warranty falls significantly short of Maxeon's standard offering for rigid IBC-based panels, where the manufacturer provides up to a 40-year combined warranty — suggesting the flex segment is treated as a lower-priority niche product.

Efficiency trails the segment leader

Peak efficiency of 17% at up to 110 Wp is lower than competing Trina Solar TEG Solar Tiles / Solar Tiles, which reach 18.5% efficiency at the same 110 Wp power rating — the marketing claim of 'highest efficiency in the flexible segment' is not supported by the peer comparables data.

Notes from the database
  • At 15.4% efficiency, this panel is 3.3pp below the Flexible 0-400W median of 18.8%
  • At 154.4 W/m², this panel generates 35.3 W/m² less per unit area than Flexible 0-400W median (189.7 W/m²)
  • At -0.30%/°C (vs median -0.35%/°C), loses ~2% less power in hot conditions
  • Weight of 2.0 kg (1.6 kg below Flexible 0-400W median of 3.6 kg) allows easier transport and roof mounting
  • Ranked #13734 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 100 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 15.40 % Typical Segment median 15.70%
Vmpp · Impp 17.10 V · 5.90 A Operating point at max power
Voc · Isc 21.40 V · 6.30 A Sizes the string length
Max system voltage 45 V Longer strings than 1000 V modules
Dimensions 1165×556×20 mm · 0.65 m² of roof
Weight 2.0 kg Strong Strong · 9.2 kg below median
Cells 32 · Flexible Monocrystalline
Coefficient Pmax -0.300 %/°C Strong top 12% of its segment
Product warranty 5 years Hardware defects only
Performance warranty 5 years Weak bottom 1% · median 25 yrs
End-of-warranty output 80.0 % Equals -39 W guaranteed

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.300 %/°C against a segment median of -0.370
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Maxeon SPR-E-Flex-100 100 W 15.40% -0.300 2.0 kg You are here
GKA182M150W 150 W 23.00% - 9.0 kg Heavier, +7.6 pp, +25 yr warranty
GKA182M120W 120 W 23.00% - 6.1 kg Heavier, +7.6 pp, +25 yr warranty
GKA182M135W 135 W 23.00% - 6.1 kg Heavier, +7.6 pp, +25 yr warranty
GKA182M100W 100 W 23.00% - 6.1 kg Heavier, +7.6 pp, +25 yr warranty
GKA182M110W 110 W 23.00% - 6.1 kg Heavier, +7.6 pp, +25 yr warranty
NS-100MH-36 100 W 21.29% -0.290 5.0 kg Heavier, +5.9 pp, +20 yr warranty
NS-100MH-36 100 W 21.29% -0.290 5.0 kg Heavier, +5.9 pp, +20 yr warranty
YH120W-18M 120 W 19.63% -0.350 6.4 kg Hotter, +4.2 pp, +25 yr warranty
YH100W-12M 100 W 19.63% -0.400 1.9 kg Hotter, +4.2 pp
YH120W-18M 120 W 19.63% -0.350 6.4 kg Hotter, +4.2 pp, +25 yr warranty
SPR-E-Flex-110 110 W 17.00% -0.300 2.0 kg +10 W, +1.6 pp
SMF100F-3X12UW 100 W 15.70% - 2.1 kg +0.3 pp
TPL100S-36 100 W 15.67% -0.360 5.8 kg Hotter, heavier, +25 yr warranty
TPL95S-36 95 W 15.37% -0.360 5.8 kg Hotter, heavier, +25 yr warranty
TPL90S-36 90 W 15.06% -0.360 5.8 kg Hotter, heavier, +25 yr warranty
TPL85S-36 85 W 14.75% -0.360 5.8 kg Hotter, heavier, +25 yr warranty

Found 2 panels of the same or similar size to this one, within ±10 mm. See them here Found 2 panels of the same or similar size to this one, within ±25 mm. See them here Found 7 panels of the same or similar size to this one, within ±50 mm. See them here Found 8 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What curved surfaces are the Maxeon SPR-E-Flex panels compatible with?
The SPR-E-Flex series supports a maximum bend angle of 30 degrees in any direction, making it ideal for RV and camper roofs, caravan tops, and boat or yacht decks where rigid, aluminum-framed modules cannot be installed. The 110 W model weighs approximately 2 kg (dimensions 1165 × 569 mm), so the panel adds virtually no structural load to the vehicle body or hull.
What efficiency do the Maxeon IBC cells in the SPR-E-Flex series achieve, and how do they differ from standard flexible panel cells?
The SPR-E-Flex uses second-generation Maxeon IBC back-contact cells rated at 22–25% efficiency — the highest available in the flexible solar panel segment. The back-contact design eliminates front busbars entirely, so the full cell surface captures light without electrode-shading losses. The copper cell foundation prevents micro-cracking during repeated flexing, a common failure mode in cheaper amorphous silicon or CIGS-based flexible modules.
What warranty does the Maxeon SPR-E-Flex 110W carry?
Maxeon provides a 5-year product warranty covering defects in materials and workmanship, alongside a 5-year power output warranty guaranteeing at least 80% of rated peak power over that period. For the flexible panel segment these are competitive terms, though Maxeon's rigid panel lines such as Air and Neo carry 25–40-year warranties — the shorter coverage here reflects the more demanding operating environment of flexible modules.
Is the Maxeon SPR-E-Flex series still available for purchase?
The SPR-E-Flex series, including the 110 W model, has been officially discontinued by Maxeon. Availability through distribution channels is limited to remaining warehouse stock, which may already be largely depleted. If you require a flexible IBC-technology module, we recommend checking Maxeon's current product lineup or comparing offerings from other manufacturers specializing in semi-flex or fully flexible PV modules.
Can the SPR-E-Flex panel handle marine environments — salt water, humidity, and UV exposure?
Yes, the SPR-E-Flex was specifically engineered for harsh marine conditions. The junction box carries an IP67 ingress protection rating, and the encapsulation is both UV-resistant and salt-spray resistant. The copper-backed Maxeon IBC cell foundation delivers superior corrosion resistance compared to aluminum-based cells used in lower-cost competing products — a critical advantage for equipment permanently exposed to offshore or sailing environments.
How do you install a Maxeon SPR-E-Flex 110W on an RV roof — do you need rails or drilling?
No drilling or aluminum rail systems are required. The flexible construction and ultra-low weight of approximately 2 kg allow non-invasive adhesive mounting using marine-grade double-sided tape or a dedicated bonding adhesive suited for RV and boat applications. The panel ships with MC4-compatible connectors and 4 mm² cables, making integration straightforward with standard off-grid systems and MPPT charge controllers.
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