--- title: "Sunova RS535~555S8-144GA (555W) 555W Solar Panel - Specs & Review | ComparePV" description: "Sunova RS535~555S8-144GA (555W) 555W solar panel. Specs: 21.50% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/thornova-rs535-555s8-144ga-555w" updated: 2026-09-11 --- # Sunova RS535~555S8-144GA (555W) Efficiency leader, heavy for its output 589 panels in the segment PERC 550-600 W ## Identity - **Manufacturer:** Sunova - **Model:** RS535~555S8-144GA (555W) - **Series:** Aurora Series - **Rated power:** 555 W - **Cell technology:** PERC - **Bifacial:** yes ## How it compares Compared against segment PERC 550-600 W (589 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 555 W | 560 W | Typical | | | Module efficiency | 21.50% | 21.29% | Strong - top 18% | 7,958 | | Power density | 214.8 | 212.9 | Strong - top 20% | 8,034 | | Temperature coefficient | -0.340 | -0.350 | Typical | 8,778 | | Weight (kg) | 32.5 kg | 30.8 kg | Weak - bottom 20% | | | Performance warranty | 30 yrs | 27 yrs | Strong - top 25% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.50% | 21.29% | Strong - top 18% | 7,958 | | Power density | 214.8 | 212.9 | Strong - top 20% | 8,034 | | Temperature coefficient | -0.340 | -0.350 | Typical | 8,778 | | Weight per kWp | 58.6 | 52.7 | Weak - bottom 20% | 11,787 | | Performance warranty | 30 yrs | 27 yrs | Strong - top 25% | 21 | ### Strengths - **21.50% module efficiency** - Top 18% of the PERC 550-600 W segment, against a median of 21.29%. - **214.8 watts per square metre** - Top 20% of the PERC 550-600 W segment, against a median of 212.9. - **30 year performance warranty** - Top 25% of the PERC 550-600 W segment, against a median of 27 yrs. ### Watch out for - **58.6 kg per kWp** - Bottom 20% of the PERC 550-600 W segment, against a median of 52.7. - **Best for:** Residential, commercial and shaded-installations. - **Not ideal for:** Weight-limited structures. ## Specification ### Electrical - **Rated power (Pmax):** 555 W - **Efficiency:** 21.50 % - **Voltage at Pmax (Vmp):** 42.30 V - **Current at Pmax (Imp):** 13.12 A - **Open-circuit voltage (Voc):** 50.53 V - **Short-circuit current (Isc):** 13.96 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.340 %/degC - **Temperature coefficient of Voc:** -0.265 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 144 - **Bifacial:** yes - **Bifacial gain:** 10.00 ### Physical - **Length:** 2278 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 32.5 kg - **Area:** 2.58 m2 - **Power density:** 214.8 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 85.0 % - **Output after 30 years:** 472 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 7958 of 14005 | | Power density | 8034 of 14005 | | Temperature coefficient | 8778 of 14005 | | Weight | 11787 of 14005 | | Warranty | 21 of 14005 | ## About this series The Sunova Aurora Series has been designed with the goal of maximizing energy yield in real-world conditions, even when the roof is not perfectly aligned and the weather in Poland can be unpredictable. The use of modern monocrystalline and multi-busbar (multi-busbar) solar panels results in better performance under partial shading and lower internal losses. This translates to more predictable energy production and easier adaptation of the installation to the user's profile. A key feature is the **high resistance to microcracks and mechanical stress**, which is important in windy conditions and with heavy snowfall. The different versions also **ensure durability in demanding environments**, helping to minimize the risk of degradation over time. For investors, **stable operating parameters** and **aesthetic appearance** are also important, especially on modern roofs. The Aurora Series is ideal for single-family homes, small businesses, and commercial and industrial (C&I) projects, where reliability is more important than just meeting specifications. ## Notable figures - At 21.5% efficiency, this panel is on par with typical \*\*PERC 550-600W\*\* modules - At 214.8 W/m² power density, roof space requirements are typical for \*\*PERC 550-600W\*\* panels - Temperature coefficient of -0.34%/°C matches the \*\*PERC 550-600W\*\* median - At 32.5 kg (1.7 kg above \*\*PERC 550-600W\*\* median of 30.8 kg), requires checking roof load capacity - 70% bifaciality enables rear-side power generation, boosting yield by 4-10% on reflective surfaces ## Questions ### What is the actual warranty coverage for Sunova Aurora Series panels? Sunova Aurora Series comes with a 12-year product warranty covering material and workmanship defects, plus a 30-year power warranty ensuring the PERC cells maintain strong performance over their lifespan. This is close to industry-leading standards, though it's worth checking the exact service terms with your local distributor, since Sunova is not classified as a tier-1 manufacturer. ### How do Aurora Series bifacial panels differ from standard mono-facial panels? Aurora Series panels use bifacial technology, meaning they generate power from both the front and rear side, capturing light reflected off the roof, ground, or nearby light-colored surfaces. This can boost total energy yield by several percent to over ten percent, especially when installed on light-colored roofing, flat roofs, or ground-mounted racking with sufficient clearance. ### Will Sunova Aurora Series 555 Wp panels perform well under partial roof shading? Yes, thanks to the half-cut cell architecture and multi-busbar design, these panels handle partial shading better, for example from chimneys, antennas, or trees. Splitting cells in half limits power losses in the shaded section, while additional busbars reduce internal resistance, resulting in more stable output even on less-than-ideal roof orientations. ### How much energy can a single Sunova Aurora Series 555 Wp panel produce? A panel rated at 555 Wp reaches its maximum output of 555 W under Standard Test Conditions (STC). In real-world conditions with good sun exposure in Poland, a single panel can typically generate between 450 and 600 kWh per year, depending on location, tilt angle, and any additional gain from the bifacial effect. ### Is Sunova a tier-1 manufacturer, and does that matter for buyers? Sunova is not listed as a tier-1 manufacturer under BloombergNEF's classification, indicating a smaller production scale or shorter track record than the biggest players like JinkoSolar or Trina Solar. This doesn't necessarily mean lower quality, but it's worth reviewing warranty terms, service availability in Poland, and installer feedback before committing to a larger installation. ### Can Aurora Series panels withstand strong wind and heavy snow loads common in Poland? Yes, the series is built with enhanced resistance to mechanical loads and micro-cracking, which matters under strong wind and accumulated snow during winter. The reinforced frame and laminate construction reduce the risk of damage from sudden temperature swings and mechanical stress typical of the Polish climate, supporting more stable performance year-round. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/s8-144ga-535-555w-2278x1134x30-703001ebc389.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, lighter, +3.5 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | Cooler, lighter, +3.3 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, lighter, +3.2 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | Cooler, lighter, +3.1 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | Cooler, 16 kg lighter, +2.9 pp | | [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | Cooler, lighter, +2.9 pp | | [Sunova RS535~555S8-144GA (535W)](https://comparepv.com/panel/thornova-rs535-555s8-144ga-535w) | 535 W | -20 W, -0.8 pp | | [Sunova TS-BG72(540)](https://comparepv.com/panel/sunova-ts-bg72-540) | 540 W | -15 W, cooler, -0.6 pp | | [Sunova TS-BW72(545)](https://comparepv.com/panel/sunova-ts-bw72-545) | 545 W | Lighter, -0.4 pp, -5 yr warranty | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +95 W, cooler, +3.7 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +90 W, cooler, +3.5 pp | | [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | +85 W, cooler, +3.3 pp | | [AIKO AIKO-A635-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a635-mae72mw) | 635 W | +80 W, cooler, +3.1 pp | | [AIKO AIKO-A630-MAH72Dw](https://comparepv.com/panel/aiko-aiko-a630-mah72dw) | 630 W | +75 W, cooler, +2.9 pp | --- Source: https://comparepv.com/panel/thornova-rs535-555s8-144ga-555w 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.