--- title: "Shinson Technology S545M72P3BF 545W Solar Panel - Specs & Review | ComparePV" description: "Shinson Technology S545M72P3BF 545W solar panel. Specs: 21.10% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/shinson-technology-s545m72p3bf" updated: 2026-09-11 --- # Shinson Technology S545M72P3BF Efficiency leader, weak in heat 706 panels in the segment PERC 500-550 W ## Identity - **Manufacturer:** Shinson Technology - **Model:** S545M72P3BF - **Series:** S-Max™ - **Rated power:** 545 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) | 545 W | 535 W | Strong - top 12% | | | Module efficiency | 21.10% | 20.90% | Strong - top 20% | 9,297 | | Power density | 210.9 | 209.0 | Typical | 9,399 | | Temperature coefficient | -0.360 | -0.350 | Weak - bottom 9% | 12,345 | | Weight (kg) | 31.8 kg | 28.4 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.10% | 20.90% | Strong - top 20% | 9,297 | | Power density | 210.9 | 209.0 | Typical | 9,399 | | Temperature coefficient | -0.360 | -0.350 | Weak - bottom 9% | 12,345 | | Weight per kWp | 58.3 | 53.0 | Typical | 11,708 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **21.10% module efficiency** - Top 20% of the PERC 500-550 W segment, against a median of 20.90%. ### Watch out for - **-0.360 %/°C temperature coefficient** - Bottom 9% of the PERC 500-550 W segment, against a median of -0.350. Ranked 12,345th in the whole database. - **Best for:** Residential, commercial and hot-climate. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 545 W - **Efficiency:** 21.10 % - **Voltage at Pmax (Vmp):** 40.80 V - **Current at Pmax (Imp):** 13.36 A - **Open-circuit voltage (Voc):** 49.52 V - **Short-circuit current (Isc):** 13.94 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.360 %/degC - **Temperature coefficient of Voc:** -0.280 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 41 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 144 - **Bifacial:** yes - **Bifacial gain:** 30.00 ### Physical - **Length:** 2279 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 31.8 kg - **Area:** 2.58 m2 - **Power density:** 210.9 Wp/m2 ### Warranty and degradation - **Product warranty:** 30 years - **Performance warranty:** 30 years - **Annual degradation:** 0.50 % - **Output after 30 years:** 461 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 9297 of 14005 | | Power density | 9399 of 14005 | | Temperature coefficient | 12345 of 14005 | | Weight | 11708 of 14005 | | Warranty | 21 of 14005 | ## About this series The S-Max series from Shinson Technology introduces a new quality to the field of photovoltaic modules, based on advanced **N-type TOPCon cell technology**. This solution effectively eliminates the problem of rapid power degradation in the first years of use, which translates into a significantly higher energy yield throughout the entire life cycle of the installation. These panels were designed to maximize efficiency even in demanding weather conditions, such as high temperatures or low sunlight on cloudy days. Thanks to the use of **multi-busbar technology**, S-Max modules minimize resistive losses and optimize current flow, making them an ideal choice for investors looking for a quick return on capital. The solid frame construction and high resistance to mechanical loads make this series perfect for both single-family home roofs and demanding commercial projects. What sets S-Max apart from the competition is its **exceptional temperature coefficient**, which limits production drops during summer heatwaves. By choosing these panels, users gain the certainty of a stable power source that combines modern aesthetics with **maximum power density** per square meter. It is an optimal choice for those who focus on innovations that realistically increase energy self-consumption and lower electricity bills without compromising on structural durability. ## Notable figures - Efficiency of 21.1% matches the \*\*PERC 500-550W\*\* median - Power density of 210.9 W/m² matches the \*\*PERC 500-550W\*\* median - Temperature coefficient of -0.36%/°C matches the \*\*PERC 500-550W\*\* median - Weight of 31.8 kg is 3.4 kg above \*\*PERC 500-550W\*\* median (28.4 kg) - verify structural support - In the top 66% for efficiency among all PERC panels ## Questions ### Are Shinson Technology S-Max™ panels truly bifacial, and what does that mean in practice? Yes, S-Max™ modules are bifacial — they harvest solar energy from both the front and rear surfaces. Light reflected off the mounting substrate (white roofing membrane, concrete, gravel) is absorbed by the rear side, boosting output by several to over 10% above the rated 555 Wp under favorable albedo conditions. The bifacial gain is most significant in ground-mounted systems or on light-colored flat roofs. ### What warranty does the Shinson S-Max™ series come with, and what does the 30-year coverage include? Shinson Technology backs the S-Max™ series with a 30-year product warranty covering manufacturing defects and a 30-year linear power output warranty. This guarantees a specified minimum performance level for three full decades — significantly above the industry standard of 10–12 years for product warranty among Chinese PV manufacturers. ### How do Shinson S-Max™ 555 Wp panels handle heat, and what are the temperature-related power losses? The S-Max™ temperature coefficient of Pmax is -0.36%/°C. At a typical summer cell temperature of 65°C, output drops roughly 9% versus STC-rated power. For a PERC-based module with a multi-busbar cell layout, this is a competitive figure. Reduced resistive losses and bifacial energy capture help sustain higher daily energy harvest even during heat waves. ### Do Shinson S-Max™ panels generate power on overcast days with low irradiance? Yes. S-Max™ modules exhibit solid low-light performance thanks to the 144-cell PERC architecture and multi-busbar design. In climates like Poland's, where overcast days are common, this characteristic directly impacts annual energy yield. The panels begin generating current at irradiance below 200 W/m², though real output will be proportionally lower than peak-sun performance. ### How heavy is the S-Max™ 555 Wp panel and can it be installed on a pitched residential roof? The S-Max™ 555 Wp module weighs approximately 31.8 kg and measures 2279×1134×30 mm. At least two installers are required to carry and position it safely on a pitched roof. The aluminum frame is rated for high mechanical loads from snow and wind, making it well-suited for Central European climate conditions. A structural load assessment is recommended before installation. ### What is multi-busbar technology in the S-Max™ panels and why does it matter for long-term performance? Multi-busbar (MBB) replaces the conventional 3–5 wide busbars with a dense array of thin wire conductors across each cell. In the S-Max™, this shortens the electron path, cuts resistive losses, and limits the effect of microcracks on energy output over time. The result is module efficiency up to 21.48%, greater long-term stability across the 30-year warranty period, and a lower LCOE for the overall system. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/P3-bifacial-540-555W-961c8fffb1f4.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, lighter, +3.9 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +3.7 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | Cooler, lighter, +3.7 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, lighter, +3.6 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | Cooler, lighter, +3.5 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, lighter, +3.4 pp | | [Shinson Technology S345M48BPV](https://comparepv.com/panel/shinson-technology-s345m48bpv) | 345 W | -200 W, cooler, -7.7 pp | | [Shinson Technology S350M48BPV](https://comparepv.com/panel/shinson-technology-s350m48bpv) | 350 W | -195 W, cooler, -7.6 pp | | [Shinson Technology S355M48BPV](https://comparepv.com/panel/shinson-technology-s355m48bpv) | 355 W | -190 W, cooler, -7.4 pp | | [Shinson Technology S360M48BPV](https://comparepv.com/panel/shinson-technology-s360m48bpv) | 360 W | -185 W, cooler, -7.2 pp | | [Shinson Technology S365M48BPV](https://comparepv.com/panel/shinson-technology-s365m48bpv) | 365 W | -180 W, cooler, -7.0 pp | | [Shinson Technology S540M72P3BF](https://comparepv.com/panel/shinson-technology-s540m72p3bf) | 540 W | -0.2 pp | | [Shinson Technology S550M72P3BF](https://comparepv.com/panel/shinson-technology-s550m72p3bf) | 550 W | Very close match | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +105 W, cooler, +4.1 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +100 W, cooler, +3.9 pp | | [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | +95 W, cooler, +3.7 pp | --- Source: https://comparepv.com/panel/shinson-technology-s545m72p3bf 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.