--- title: "G-STAR GSD8R48T-465BT 465W Solar Panel - Specs & Review | ComparePV" description: "G-STAR GSD8R48T-465BT 465W solar panel. Specs: 23.27% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/g-star-gsd8r48t-465bt" updated: 2026-09-11 --- # G-STAR GSD8R48T-465BT Space saver, weak in heat 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** G-STAR - **Model:** GSD8R48T-465BT - **Series:** GSD8R48T - **Rated power:** 465 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 450-500 W (1089 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 465 W | 465 W | Typical | | | Module efficiency | 23.27% | 22.52% | Strong - top 12% | 1,202 | | Power density | 232.7 | 225.2 | Strong - top 10% | 1,115 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 20% | 6,093 | | Weight (kg) | 25.0 kg | 24.0 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 23.27% | 22.52% | Strong - top 12% | 1,202 | | Power density | 232.7 | 225.2 | Strong - top 10% | 1,115 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 20% | 6,093 | | Weight per kWp | 53.8 | 52.2 | Typical | 7,824 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **232.7 watts per square metre** - Top 10% of the TOPCon 450-500 W segment, against a median of 225.2. - **23.27% module efficiency** - Top 12% of the TOPCon 450-500 W segment, against a median of 22.52%. ### Watch out for - **-0.300 %/°C temperature coefficient** - Bottom 20% of the TOPCon 450-500 W segment, against a median of -0.290. - **Best for:** Commercial, utility-scale and shaded-installations. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 465 W - **Efficiency:** 23.27 % - **Voltage at Pmax (Vmp):** 30.58 V - **Current at Pmax (Imp):** 15.21 A - **Open-circuit voltage (Voc):** 36.20 V - **Short-circuit current (Isc):** 15.98 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.300 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC - **NOCT:** 43 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 96 - **Bifacial:** yes - **Bifacial gain:** 25.00 ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 25.0 kg - **Area:** 2.00 m2 - **Power density:** 232.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 406 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 1202 of 14005 | | Power density | 1115 of 14005 | | Temperature coefficient | 6093 of 14005 | | Weight | 7824 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Patented CleanEdge technology** - The frame design effectively channels away water and reduces dust accumulation at the panel edges, which according to the manufacturer boosts energy yield by 6-15% compared to standard panels without this feature. - **High-efficiency N-type TOPCon cells** - Efficiency of 22.02-23.27% clearly outperforms comparable models such as Jinko Solar JS182MHC120 (21.48%) and Vikram Solar SOMERA (21.51%) at the same 465 Wp max power, meaning a smaller installation footprint for the same output. - **Dual-glass bifacial construction** - Half-cut TOPCon cells in a glass-glass configuration capture reflected radiation from the module's rear side, particularly beneficial for ground-mount installations and light-colored surfaces (gravel, PVC membranes), boosting annual yield by up to double digits. - **30-year linear power warranty** - A 30-year linear power warranty places the series in the premium segment, comparable to competing TOPCon lines such as Luxor Solar ECO LINE, reducing long-term energy output degradation risk for investors. - **Anti-PID protection and all-black aesthetics** - Potential-induced degradation (PID) protection is important for installations exposed to moisture and dust, while the uniform all-black design has been well received in both rooftop and ground-mount projects since the series' 2024 launch. ## Cons - **Manufacturer not on BNEF Tier-1 list** - G-STAR does not appear on the Bloomberg New Energy Finance (BNEF) Tier 1 bankable manufacturer list, unlike some competing TOPCon brands, which may complicate project financing for banks requiring this status as a lending condition. - **Shorter 15-year product warranty** - The product warranty is 15 years, below the market-standard 25 years offered by many Tier-1 TOPCon module manufacturers, which may increase servicing risk after that period despite the 30-year linear power warranty remaining intact. ## About this series The GSD8R48T series from G-STAR addresses the recurring problem of energy losses caused by soiling and water pooling on the module surface. The series is distinguished by its patented **CleanEdge technology**, in which the frame design efficiently channels away water and reduces dust buildup along the panel edges, translating into a genuinely higher energy yield throughout the module's service life. The panels feature a **bifacial dual glass construction**, capable of capturing reflected irradiance from the rear side as well, making them a particularly appealing choice for ground mount installations as well as industrial and commercial projects. At the core of the module are **TOPCon N-type cells** in a half-cut format, delivering stable performance and reduced power loss at elevated temperatures. The series also offers **Anti-PID protection**, which is essential for installations exposed to humidity, wind, and dust. Rounding out the package is an **all-black aesthetic design**, valued in both rooftop and ground mount projects alike. This makes it a compelling option for investors seeking high durability, long-term performance, and lower operating costs across the lifetime of a photovoltaic installation. ## Notable figures - 23.3% module efficiency - 0.8pp better than the \*\*TOPCon 450-500W\*\* median of 22.5% - Power density of 232.7 W/m² packs 7.5 W/m² more into the same footprint vs \*\*TOPCon 450-500W\*\* median (225.2 W/m²) - Temperature coefficient of -0.30%/°C matches the \*\*TOPCon 450-500W\*\* median - Weight of 25.0 kg is typical for \*\*TOPCon 450-500W\*\* panels - 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces ## Questions ### How much power does the G-STAR GSD8R48T panel generate and who is it designed for? The GSD8R48T series reaches up to 465 Wp thanks to half-cut TOPCon N-type cells. This high unit power combined with a bifacial design makes the series particularly suitable for ground-mounted installations, solar farms, and industrial or commercial projects where maximizing energy yield per available surface area matters most. ### What is CleanEdge technology in the GSD8R48T panels and does it actually improve energy yield? CleanEdge is a patented frame design that effectively channels water off the module and reduces dust and dirt buildup along the panel edges. In practice, this means fewer energy losses from edge shading and less frequent cleaning, resulting in higher and more consistent power output over the panel's operational lifetime. ### Are the bifacial GSD8R48T panels worth it for a typical rooftop installation? The dual-glass bifacial design performs best where the panel can capture reflected light from both sides, such as in ground-mounted arrays, freestanding structures, or elevated flat-roof installations. On a standard sloped roof with minimal clearance underneath, the bifacial gain will be limited, so this technology delivers its full potential mainly in ground-mount and commercial projects. ### What warranty comes with the G-STAR GSD8R48T panels? The manufacturer provides a 15-year product warranty and a 30-year power output warranty. This long-term coverage protects the investment, and the extended power warranty reflects the slower degradation rate of TOPCon N-type cells compared to conventional PERC technology. ### What does Anti-PID protection do in the GSD8R48T panels, and when does it matter most? Anti-PID protection prevents potential-induced degradation, a phenomenon that can reduce module power under high humidity, heat, and elevated system voltages. This is especially important in installations exposed to moisture, strong wind, and dust, such as coastal, industrial, or open-terrain sites where operating conditions are more demanding. ### How do the TOPCon cells in the GSD8R48T differ from classic PERC panels? The half-cut TOPCon N-type cells used in the GSD8R48T offer higher efficiency and lower power losses at elevated temperatures compared to traditional PERC cells. This allows the panels to maintain more stable energy production during summer months and in hot climates, resulting in better real-world annual yield. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/1773718420691528-24cd4e84050e.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +45 W, cooler, +1.7 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +1.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +40 W, cooler, +1.4 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, lighter, +1.2 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +35 W, cooler, +1.2 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | Cooler, lighter, +1.2 pp | | [G-STAR GSD8R48T-440BT](https://comparepv.com/panel/g-star-gsd8r48t-440bt) | 440 W | -25 W, -1.2 pp | | [G-STAR GSD8R48T-445BT](https://comparepv.com/panel/g-star-gsd8r48t-445bt) | 445 W | -20 W, -1.0 pp | | [G-STAR GSD8R48T-450BT](https://comparepv.com/panel/g-star-gsd8r48t-450bt) | 450 W | -15 W, -0.8 pp | | [G-STAR GSD8R48T-455BT](https://comparepv.com/panel/g-star-gsd8r48t-455bt) | 455 W | -10 W, -0.5 pp | | [G-STAR GSD8R48T-460BT](https://comparepv.com/panel/g-star-gsd8r48t-460bt) | 460 W | -0.2 pp | --- Source: https://comparepv.com/panel/g-star-gsd8r48t-465bt Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.