--- title: "Runergy SS9-66HS-670M 670W Solar Panel - Specs & Review | ComparePV" description: "Runergy SS9-66HS-670M 670W solar panel. Specs: 21.57% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/runergy-ss9-66hs-670m" updated: 2026-09-11 --- # Runergy SS9-66HS-670M Light for its output, short guarantee 320 panels in the segment PERC 650-700 W ## Identity - **Manufacturer:** Runergy - **Model:** SS9-66HS-670M - **Series:** SS9-66HS 650-670M (Lumina I) - **Rated power:** 670 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 650-700 W (320 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 670 W | 660 W | Strong - top 18% | | | Module efficiency | 21.57% | 21.25% | Strong - top 20% | 7,734 | | Power density | 215.7 | 212.5 | Strong - top 18% | 7,644 | | Temperature coefficient | -0.340 | -0.340 | Typical | 8,778 | | Weight (kg) | 32.5 kg | 34.5 kg | Strong - top 4% | | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 21% | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.57% | 21.25% | Strong - top 20% | 7,734 | | Power density | 215.7 | 212.5 | Strong - top 18% | 7,644 | | Temperature coefficient | -0.340 | -0.340 | Typical | 8,778 | | Weight per kWp | 48.5 | 52.3 | Strong - top 4% | 2,321 | | Performance warranty | 25 yrs | 30 yrs | Weak - bottom 21% | 9,798 | ### Strengths - **48.5 kg per kWp** - Top 4% of the PERC 650-700 W segment, against a median of 52.3. Ranked 2,321st in the whole database. - **215.7 watts per square metre** - Top 18% of the PERC 650-700 W segment, against a median of 212.5. - **21.57% module efficiency** - Top 20% of the PERC 650-700 W segment, against a median of 21.25%. ### Watch out for - **25 year performance warranty** - Bottom 21% of the PERC 650-700 W segment, against a median of 30 yrs. - **Best for:** Commercial, utility-scale and shaded-installations. - **Not ideal for:** Owners who want a long output guarantee. ## Specification ### Electrical - **Rated power (Pmax):** 670 W - **Efficiency:** 21.57 % - **Voltage at Pmax (Vmp):** 38.46 V - **Current at Pmax (Imp):** 17.43 A - **Open-circuit voltage (Voc):** 46.13 V - **Short-circuit current (Isc):** 18.44 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.340 %/degC - **Temperature coefficient of Voc:** -0.260 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 132 ### Physical - **Length:** 2384 mm - **Width:** 1303 mm - **Thickness:** 35 mm - **Weight:** 32.5 kg - **Area:** 3.11 m2 - **Power density:** 215.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 84.8 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.55 % - **Output after 30 years:** 550 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 7734 of 14005 | | Power density | 7644 of 14005 | | Temperature coefficient | 8778 of 14005 | | Weight | 2321 of 14005 | | Warranty | 9798 of 14005 | ## About this series The Runergy SS9-66HS 650-670M (Lumina I) series are modules designed for maximum power output from a large surface area - particularly in situations where a quick return on investment and reduced equipment costs are key. The use of **monocrystalline cells in PERC technology** and a **half-cut cell design** helps to optimize performance under partial shading and reduces heat losses, resulting in more stable production in real-world conditions. For installers and designers, the format designed for large-scale farms and roofs is also important: fewer modules for the same power output mean shorter installation times, fewer connections, and a lower risk of errors during construction. Lumina I is characterized by **high mechanical strength** and components designed for use in harsh environments (humidity, temperature fluctuations, dust). It is a good choice for **commercial and industrial installations**, as well as PV farms, where predictability, durability, and easier scalability are important. ## Notable figures - Efficiency of 21.6% matches the \*\*PERC 650-700W\*\* median - Power density of 215.7 W/m² packs 3.2 W/m² more into the same footprint vs \*\*PERC 650-700W\*\* median (212.5 W/m²) - At -0.34%/°C, hot weather performance is typical for \*\*PERC 650-700W\*\* panels - 32.5 kg weight - 2.0 kg lighter than \*\*PERC 650-700W\*\* median (34.5 kg), reducing installation effort - #7734 for efficiency, #8778 for temperature performance out of 14005 panels ## Questions ### Is the Runergy SS9-66HS 650-670M (Lumina I) panel series still available for purchase? The Runergy SS9-66HS 650-670M (Lumina I) series has been discontinued. New production orders are no longer fulfilled by the manufacturer, and availability is limited to existing distributor stock. If you need modules with similar specifications, ask your distributor about current Runergy PERC series or newer product lines. ### What warranty does Runergy offer on the Lumina I SS9-66HS 650-670M panels? Runergy provides a 12-year product warranty covering materials and workmanship, along with a 25-year linear power output warranty. This means the modules are guaranteed to retain a contractually defined minimum output power over 25 years of operation. This warranty level is standard for modules designed for commercial and industrial PV systems. ### What does PERC technology with half-cut cells mean in the Lumina I panels? PERC (Passivated Emitter and Rear Cell) adds a passivation layer on the rear side of monocrystalline cells, reflecting unabsorbed light back into the cell and boosting conversion efficiency. Half-cut cells split each cell into two smaller sections, reducing resistive losses and hot-spot risk. Together, these features deliver higher and more stable energy output under real-world operating conditions. ### How do the Runergy SS9-66HS 650-670M panels perform under partial shading? Thanks to the half-cut cell layout, the Lumina I series is more resilient to partial shading than conventional full-cell modules. The half-cut design limits cross-cell shading interactions and reduces hot-spot formation. This is a meaningful advantage for rooftop installations near chimneys, dormers, or other objects that cast shadows across part of the array. ### Are the Runergy Lumina I panels bifacial - do they generate power from both sides? No, the SS9-66HS 650-670M (Lumina I) is a monofacial module - power is generated from the front side only. If additional yield from reflected irradiance is a priority, for example on a white-substrate ground mount, bifacial modules should be considered instead. The monofacial design simplifies BoS selection and often reduces overall system cost for standard rooftop and ground-mounted installations. ### What type of installation are the Runergy SS9-66HS 650-670M panels designed for? With up to 670 Wp and a large module format, the Lumina I series is primarily designed for commercial, industrial, and utility-scale PV farms. Fewer modules required per kilowatt of installed capacity means faster installation, fewer MC4 connectors, and lower overall BoS costs. High mechanical resistance and components rated for demanding environments, including humidity, temperature cycling, and dust exposure, confirm this series is intended for large-scale and challenging projects. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ss9-66hs-m-cee145fdc321.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, +3.6 pp, +5 yr warranty | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | Cooler, +3.4 pp, +5 yr warranty | | [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, +3.4 pp, +5 yr warranty | | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | Cooler, +3.3 pp, +5 yr warranty | | [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | Cooler, +3.2 pp, +5 yr warranty | | [Runergy SS9-66HD-645M](https://comparepv.com/panel/runergy-ss9-66hd-645m) | 645 W | Heavier, -0.8 pp, +5 yr warranty | | [Runergy SS9-66HD-650M](https://comparepv.com/panel/runergy-ss9-66hd-650m) | 650 W | Heavier, -0.6 pp, +5 yr warranty | | [Runergy SS9-66HS-655M](https://comparepv.com/panel/runergy-ss9-66hs-655m) | 655 W | -15 W, -0.5 pp | | [Runergy SS9-66HD-660M](https://comparepv.com/panel/runergy-ss9-66hd-660m) | 660 W | Heavier, -0.3 pp, +5 yr warranty | | [Runergy SS9-66HD-665M](https://comparepv.com/panel/runergy-ss9-66hd-665m) | 665 W | Cooler, heavier, +5 yr warranty | | [AIKO AIKO-A805-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a805-grh78dw) | 805 W | +135 W, cooler, +3.5 pp | | [AIKO AIKO-A800-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a800-grh78dw) | 800 W | +130 W, cooler, +3.3 pp | | [AIKO AIKO-A795-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a795-grh78dw) | 795 W | +125 W, cooler, +3.2 pp | | [AIKO AIKO-A790-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a790-grh78dw) | 790 W | +120 W, cooler, +3.0 pp | --- Source: https://comparepv.com/panel/runergy-ss9-66hs-670m Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.