--- title: "Maxeon SPR-P6-500-UPP 500W Solar Panel - Specs & Review | ComparePV" description: "Maxeon SPR-P6-500-UPP 500W solar panel. Specs: 19.20% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/maxeon-spr-p6-500-upp" updated: 2026-09-11 --- # Maxeon SPR-P6-500-UPP Strong in heat, heavy for its output 706 panels in the segment PERC 500-550 W ## Identity - **Manufacturer:** Maxeon - **Model:** SPR-P6-500-UPP - **Series:** Performance 6 - **Rated power:** 500 W - **Cell technology:** PERC - **Bifacial:** yes ## How it compares Compared against segment PERC 500-550 W (706 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 500 W | 535 W | Weak - bottom 4% | | | Module efficiency | 19.20% | 20.90% | Weak - bottom 1% | 12,855 | | Power density | 192.1 | 209.0 | Weak - bottom 1% | 12,843 | | Temperature coefficient | -0.340 | -0.350 | Strong - top 23% | 8,778 | | Weight (kg) | 32.4 kg | 28.4 kg | Weak - bottom 1% | | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 23% | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 19.20% | 20.90% | Weak - bottom 1% | 12,855 | | Power density | 192.1 | 209.0 | Weak - bottom 1% | 12,843 | | Temperature coefficient | -0.340 | -0.350 | Strong - top 23% | 8,778 | | Weight per kWp | 64.8 | 53.0 | Weak - bottom 1% | 13,026 | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 23% | 9,798 | ### Strengths - **-0.340 %/°C temperature coefficient** - Top 23% of the PERC 500-550 W segment, against a median of -0.350. ### Watch out for - **64.8 kg per kWp** - Bottom 1% of the PERC 500-550 W segment, against a median of 53.0. Ranked 13,026th in the whole database. - **19.20% module efficiency** - Bottom 1% of the PERC 500-550 W segment, against a median of 20.90%. Ranked 12,855th in the whole database. - **192.1 watts per square metre** - Bottom 1% of the PERC 500-550 W segment, against a median of 209.0. Ranked 12,843rd in the whole database. - **Best for:** Residential, commercial, shaded-installations and hot-climate. - **Not ideal for:** Weight-limited structures, tight roof space and roofs where every square metre has to count. ## Specification ### Electrical - **Rated power (Pmax):** 500 W - **Efficiency:** 19.20 % - **Voltage at Pmax (Vmp):** 37.20 V - **Current at Pmax (Imp):** 13.45 A - **Open-circuit voltage (Voc):** 45.70 V - **Short-circuit current (Isc):** 14.35 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.340 %/degC - **Temperature coefficient of Voc:** -0.280 %/degC - **Temperature coefficient of Isc:** 0.060 %/degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Bifacial:** yes ### Physical - **Length:** 2384 mm - **Width:** 1092 mm - **Thickness:** 35 mm - **Weight:** 32.4 kg - **Area:** 2.60 m2 - **Power density:** 192.1 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 87.2 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.45 % - **Output after 30 years:** 425 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 12855 of 14005 | | Power density | 12843 of 14005 | | Temperature coefficient | 8778 of 14005 | | Weight | 13026 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Shingled cells with flexible interconnects** - Instead of rigid copper busbars, the module uses flexible conductive interconnects between Maxeon Hypercell strips, eliminating solder-joint microcracks caused by thermal cycling — the most common failure mode in conventional busbar-tabbed panels. - **Parallel circuit layout - shade tolerance** - Current flows through multiple independent paths rather than a single series cell string, so partial shading (e.g., from a leaf or chimney) causes a significantly smaller drop in overall module output compared to standard PERC panels. - **Bifacial energy generation** - The glass-glass bifacial construction captures reflected light on the rear side, which on light-colored ground surfaces or elevated roof mounts can boost annual energy yield by several percent to over ten percent compared to monofacial modules. - **25-year product and power warranty** - A full 25-year warranty covering both the product and power output is typical of the premium tier-1 segment and exceeds the standard 10-15-year product warranty offered by many budget PERC manufacturers. ## Cons - **Production discontinued in 2024** - The Performance 6 series was discontinued in 2024 in favor of Performance 7, meaning limited availability of warranty service, replacement parts, and matching modules for expanding existing installations. - **PERC efficiency trails newer N-type technology** - The 19-20.2% efficiency based on older PERC cell technology clearly lags comparable-power N-type TOPCon/HJT competitors, e.g., Jinko Tiger Neo (23.61%) or Jolywood Black Series (23.6%) — a gap of roughly 3-4.6 percentage points means lower energy yield per unit of roof area. - **Manufacturer financial distress undermines warranty bankability** - Maxeon Solar Technologies filed for judicial management in Singapore in April 2026, following 2024 U.S. CBP product detentions and the bankruptcy of former parent company SunPower. Despite its formal tier-1 status, the manufacturer's actual ability to honor a 25-year warranty is currently uncertain. ## About this series Maxeon Performance 6 photovoltaic panels redefine reliability standards through an innovative design based on shingled cells. Unlike traditional modules, this series utilizes **flexible conductive connections** instead of rigid copper ribbons, which effectively eliminates the most common cause of failure - micro-cracks occurring due to cyclic temperature changes. Thanks to a unique parallel circuit layout, these modules offer **better performance in shaded conditions**, as current flows through the panel via multiple independent paths, radically minimizing power drops. This is a solution dedicated to demanding investors seeking uncompromising durability in rooftop installations exposed to strong wind or heavy snow. The series is characterized by **high resistance to potential-induced degradation** and excellent thermal stability, resulting in higher energy yields even on hot days. By choosing these modules, you eliminate the risk of premature material fatigue, which often affects standard panels with soldered busbars. This is the **maximum lifespan of a photovoltaic system** based on technology that effectively manages physical challenges for decades, ensuring peace of mind and a predictable return on investment. ## Notable figures - Module efficiency of 19.2% is 1.7pp below average for \*\*PERC 500-550W\*\* panels (median: 20.9%) - At 192.1 W/m², this panel generates 16.9 W/m² less per unit area than \*\*PERC 500-550W\*\* median (209.0 W/m²) - At -0.34%/°C, hot weather performance is typical for \*\*PERC 500-550W\*\* panels - Weight of 32.4 kg is 4.0 kg above \*\*PERC 500-550W\*\* median (28.4 kg) - verify structural support - Bifacial design (70% factor) captures reflected light - adds 4-10% yield on ground-mount or white roof ## Questions ### What makes the shingled cell technology in Maxeon Performance 6 panels stand out? Maxeon Performance 6 replaces traditional soldered copper busbars with flexible conductive adhesive bonds between PERC cells arranged in a shingled layout. This eliminates mechanical stress caused by thermal cycling, dramatically reducing microcracks. The result is lower annual degradation and greater module longevity compared to conventional busbar panels, making it a strong choice for long-term residential and commercial installations. ### Is the Maxeon Performance 6 a bifacial panel and how much extra energy does the rear side generate? Yes, the Performance 6 series is available in a bifacial configuration. The rear side captures reflected irradiance with a bifaciality factor of approximately 70%. This translates to a real energy gain of several to over ten percent depending on ground albedo. Installations over white gravel, snow, or light-colored roofing membranes benefit the most from this bifacial yield boost. ### What warranty does the Maxeon Performance 6 come with? Maxeon provides a 25-year product warranty covering material and manufacturing defects, as well as a 25-year linear power output warranty. Having both warranties at the same length sets the Performance 6 apart from many competitors that offer only 10–12 years of product coverage. As a Tier 1 manufacturer headquartered in Singapore, Maxeon has the financial backing to honor warranty claims over the full term. ### Can the Maxeon Performance 6 at 525 Wp handle heavy wind loads and snow accumulation on rooftops? Yes. The shingled construction removes the traditional failure point of solder joint fatigue under long-term mechanical stress. Bifacial variants with dual-glass lamination further increase resistance to snow loads and hail impact. The series is specifically designed for demanding rooftop environments where repeated thermal and mechanical cycling exceeds typical conditions. ### Why does Maxeon Performance 6 perform better under partial shading than standard panels? The shingled cell layout creates multiple parallel electrical circuits within the module. When part of the panel is shaded, current flows through unobstructed paths, keeping power losses to a minimum. In a standard series-connected busbar module, even minor shading on a single cell can significantly reduce the output of the entire string or require costly bypass diodes to mitigate the effect. ### Is the Maxeon Performance 6 still available for purchase? The Maxeon Performance 6 series has been discontinued and is no longer in regular production. Availability in Europe is very limited and depends on distributor stock levels. If you need a similar shingled cell technology with current manufacturer support, ask your distributor about up-to-date alternatives from Maxeon's current lineup or other Tier 1 manufacturers offering comparable performance and warranty terms. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/Performance-6-UPP-495-525-W-5caef3639ce4.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, lighter, +5.8 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +5.6 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, lighter, +5.5 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, lighter, +5.3 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, lighter, +5.3 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | Cooler, lighter, +5.3 pp | | [Maxeon SPR-P6-495-UPP](https://comparepv.com/panel/maxeon-spr-p6-495-upp) | 495 W | Very close match | | [Maxeon SPR-P6-505-UPP](https://comparepv.com/panel/maxeon-spr-p6-505-upp) | 505 W | Very close match | | [Maxeon SPR-P6-510-UPP](https://comparepv.com/panel/maxeon-spr-p6-510-upp) | 510 W | +10 W, +0.4 pp | | [Maxeon SPR-P6-515-UPP](https://comparepv.com/panel/maxeon-spr-p6-515-upp) | 515 W | +15 W, +0.6 pp | | [Maxeon SPR-P6-520-UPP](https://comparepv.com/panel/maxeon-spr-p6-520-upp) | 520 W | +20 W, +0.8 pp | | [Maxeon SPR-P6-525-UPP](https://comparepv.com/panel/maxeon-spr-p6-525-upp) | 525 W | +25 W, +1.0 pp | | [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | +180 W, cooler, +6.0 pp | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | +175 W, cooler, +5.8 pp | | [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 W | +200 W, cooler, +5.8 pp | | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | +195 W, cooler, +5.7 pp | --- Source: https://comparepv.com/panel/maxeon-spr-p6-500-upp Not in this file, on the page: a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.