--- title: "SpolarPV SPV670-TG12-132BD 670W Solar Panel - Specs & Review | ComparePV" description: "SpolarPV SPV670-TG12-132BD 670W solar panel. Specs: 21.59% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/spolarpv-spv670-tg12-132bd" updated: 2026-09-11 --- # SpolarPV SPV670-TG12-132BD Middle of its segment, heavy for its output 249 panels in the segment TOPCon 650-700 W ## Identity - **Manufacturer:** SpolarPV - **Model:** SPV670-TG12-132BD - **Series:** SPV680-TG12-132BD - **Rated power:** 670 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 650-700 W (249 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 670 W | 665 W | Typical | | | Module efficiency | 21.59% | 22.40% | Weak - bottom 14% | 7,726 | | Power density | 215.9 | 223.7 | Weak - bottom 15% | 7,627 | | Temperature coefficient | -0.300 | -0.290 | Typical | 6,093 | | Weight (kg) | 38.0 kg | 34.6 kg | Weak - bottom 13% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.59% | 22.40% | Weak - bottom 14% | 7,726 | | Power density | 215.9 | 223.7 | Weak - bottom 15% | 7,627 | | Temperature coefficient | -0.300 | -0.290 | Typical | 6,093 | | Weight per kWp | 56.7 | 53.2 | Weak - bottom 13% | 10,811 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Watch out for - **56.7 kg per kWp** - Bottom 13% of the TOPCon 650-700 W segment, against a median of 53.2. - **21.59% module efficiency** - Bottom 14% of the TOPCon 650-700 W segment, against a median of 22.40%. - **215.9 watts per square metre** - Bottom 15% of the TOPCon 650-700 W segment, against a median of 223.7. - **Best for:** Utility-scale, commercial and shaded-installations. - **Not ideal for:** Weight-limited structures, tight roof space and roofs where every square metre has to count. ## Specification ### Electrical - **Rated power (Pmax):** 670 W - **Efficiency:** 21.59 % - **Voltage at Pmax (Vmp):** 39.21 V - **Current at Pmax (Imp):** 17.09 A - **Open-circuit voltage (Voc):** 46.50 V - **Short-circuit current (Isc):** 17.90 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.300 %/degC - **Temperature coefficient of Voc:** -0.275 %/degC - **Temperature coefficient of Isc:** 0.045 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 132 - **Bifacial:** yes ### Physical - **Length:** 2383 mm - **Width:** 1302 mm - **Thickness:** 30 mm - **Weight:** 38.0 kg - **Area:** 3.10 m2 - **Power density:** 215.9 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 84.8 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.46 % - **Output after 30 years:** 568 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 7726 of 14005 | | Power density | 7627 of 14005 | | Temperature coefficient | 6093 of 14005 | | Weight | 10811 of 14005 | | Warranty | 21 of 14005 | ## About this series The SpolarPV SPV680-TG12-132BD solar panel series sets new efficiency standards in industrial installations, based on ground-breaking N-type **TOPCon cell technology**. By using large-format 210 mm silicon wafers and a 132 half-cell design, these modules offer impressive power density, which directly translates into reduced costs for mounting structures and cabling. A key advantage is the **bifacial dual glass** architecture, which enables active energy generation from both sides of the panel, significantly increasing the total annual yield. This solution effectively eliminates PID and LID degradation phenomena, providing investors with a **30-year linear power output warranty**. These panels are dedicated to solar farm developers and owners of large commercial facilities, where the priority is maximizing profit from every square meter of surface area. They are distinguished from competing solutions by exceptional **low-light efficiency** and high resistance to extreme weather conditions, including salt mist and ammonia. The use of multi-busbar technology minimizes internal losses, making this series one of the most stable and profitable choices on the modern photovoltaic market. ## Notable figures - Efficiency of 21.6% is 0.8pp below the \*\*TOPCon 650-700W\*\* median (22.4%) - Power density of 215.9 W/m² is 7.8 W/m² below \*\*TOPCon 650-700W\*\* median (223.7 W/m²) - needs more roof space - At -0.30%/°C, hot weather performance is typical for \*\*TOPCon 650-700W\*\* panels - At 38.0 kg (3.4 kg above \*\*TOPCon 650-700W\*\* median of 34.6 kg), requires checking roof load capacity - In the top 55% for efficiency among all TOPCon panels ## Questions ### Who are the SpolarPV SPV680-TG12-132BD panels designed for and what is their maximum power output? The SPV680-TG12-132BD series delivers a peak output of 680 Wp and is primarily designed for utility-scale solar farm developers and large commercial facility owners. The large-format 210 mm wafers and 132 half-cut cell layout yield high power density, reducing the total panel count, cutting BoS costs, and simplifying racking structures across large installations. ### What warranties apply to the SpolarPV SPV680-TG12-132BD — product and power output? SpolarPV provides a 12-year product warranty covering material and workmanship defects, plus a separate 30-year linear power output warranty guaranteeing the module retains a specified percentage of its rated capacity over three decades. The N-type TOPCon cell technology and dual glass architecture eliminate PID and LID degradation, making it easier for the manufacturer to honor these long-term commitments compared to standard PERC modules. ### What does bifacial dual glass mean in the SPV680-TG12-132BD series and how much extra energy can it realistically generate? Bifacial dual glass means the module uses transparent glass on both faces, actively generating power from the front (direct irradiance) and the rear (reflected irradiance). Under typical ground-mount conditions with a high-albedo surface such as sand, light gravel, or snow, rear-side energy gain typically ranges from 10 to 25% above the front-side STC figure. The effect is most pronounced in winter when snow cover maximizes ground reflectivity. ### Do the SpolarPV SPV680-TG12-132BD panels perform well in overcast conditions and low irradiance? Yes. N-type TOPCon cells have a lower temperature coefficient and a broader spectral response than older PERC cells, translating into better performance under diffuse, low-light conditions. In practice, on cloudy days or during early morning and late afternoon hours, modules from this series produce more energy than a comparably rated PERC panel, improving overall annual LCOE for the project. ### Is SpolarPV a Tier 1 manufacturer and should I be concerned about the quality of the SPV680-TG12-132BD series? SpolarPV does not appear on the BloombergNEF or PV ModuleTech Tier 1 lists, meaning it is a smaller manufacturer without a track record of bank-financed project securitization. The company has been operating since 2010 and holds IEC 61215, IEC 61730, and TUV certifications. The absence of Tier 1 status does not disqualify the product technically, but it may complicate project financing if your lender requires panels from a Tier 1 supplier — confirm this with your financier before purchasing. ### What is TOPCon technology in the SPV680-TG12-132BD series and how does it differ from PERC? TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell architecture that uses an ultra-thin tunnel oxide layer and passivating contacts to dramatically reduce carrier recombination. The result is higher efficiency (the SPV680 series achieves approximately 21.9%), better high-temperature performance, and zero susceptibility to PID degradation. Standard PERC cells use a P-type substrate and, under the same operating conditions, typically show lower efficiency and faster long-term power degradation. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/SPV680-TG12-132BD-053479293e99.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | Cooler, lighter, +3.6 pp | | [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | Cooler, lighter, +3.6 pp | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | Cooler, lighter, +3.4 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | Cooler, lighter, +3.4 pp | | [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 W | Cooler, lighter, +3.4 pp | | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | Cooler, lighter, +3.3 pp | | [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | Cooler, lighter, +3.2 pp | | [SpolarPV SPV660-TG12-132BD](https://comparepv.com/panel/spolarpv-spv660-tg12-132bd) | 660 W | -10 W, -0.3 pp | | [SpolarPV SPV665-TG12-132BD](https://comparepv.com/panel/spolarpv-spv665-tg12-132bd) | 665 W | Very close match | | [SpolarPV SPV675-TG12-132BD](https://comparepv.com/panel/spolarpv-spv675-tg12-132bd) | 675 W | Very close match | | [SpolarPV SPV680-TG12-132BD](https://comparepv.com/panel/spolarpv-spv680-tg12-132bd) | 680 W | +10 W, +0.3 pp | | [SpolarPV SPV685-TG12-132BD](https://comparepv.com/panel/spolarpv-spv685-tg12-132bd) | 685 W | +15 W, +0.5 pp | | [SpolarPV SPV690-TG12-132BD](https://comparepv.com/panel/spolarpv-spv690-tg12-132bd) | 690 W | +20 W, +0.6 pp | | [SpolarPV SPV695-TG12-132BD](https://comparepv.com/panel/spolarpv-spv695-tg12-132bd) | 695 W | +25 W, +0.8 pp | | [SpolarPV SPV700-TG12-132BD](https://comparepv.com/panel/spolarpv-spv700-tg12-132bd) | 700 W | +30 W, +1.0 pp | | [AIKO AIKO-A805-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a805-grh78dw) | 805 W | +135 W, cooler, +3.5 pp | --- Source: https://comparepv.com/panel/spolarpv-spv670-tg12-132bd Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.