--- title: "Mission Solar MSI10-585HN4G 585W Solar Panel - Specs & Review | ComparePV" description: "Mission Solar MSI10-585HN4G 585W solar panel. Specs: 22.67% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/mission-solar-msi10-585hn4g" updated: 2026-09-11 --- # Mission Solar MSI10-585HN4G Solid all-round for its segment 1,018 panels in the segment TOPCon 550-600 W ## Identity - **Manufacturer:** Mission Solar - **Model:** MSI10-585HN4G - **Series:** MSI TOPCon Bifacial 144HC Dual Glass - **Rated power:** 585 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 550-600 W (1018 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 585 W | 580 W | Typical | | | Module efficiency | 22.67% | 22.44% | Typical | 3,506 | | Power density | 226.5 | 224.4 | Typical | 3,500 | | Temperature coefficient | -0.298 | -0.290 | Typical | 6,090 | | Weight (kg) | 32.2 kg | 31.2 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.67% | 22.44% | Typical | 3,506 | | Power density | 226.5 | 224.4 | Typical | 3,500 | | Temperature coefficient | -0.298 | -0.290 | Typical | 6,090 | | Weight per kWp | 55.0 | 53.8 | Typical | 9,428 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | - **Best for:** Commercial, utility-scale and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 585 W - **Efficiency:** 22.67 % - **Voltage at Pmax (Vmp):** 44.04 V - **Current at Pmax (Imp):** 13.30 A - **Open-circuit voltage (Voc):** 52.70 V - **Short-circuit current (Isc):** 14.05 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.298 %/degC - **Temperature coefficient of Voc:** -0.240 %/degC - **Temperature coefficient of Isc:** 0.041 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 144 - **Bifacial:** yes ### Physical - **Length:** 2278 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 32.2 kg - **Area:** 2.58 m2 - **Power density:** 226.5 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 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:** 511 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 3506 of 14005 | | Power density | 3500 of 14005 | | Temperature coefficient | 6090 of 14005 | | Weight | 9428 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Efficiency up to 22.86% - segment top tier** - Modules reach efficiency of 22.47-22.86%, matching the best peer comparable AE Solar HORIZON CMD-144BDS (22.86%) and exceeding Talesun TM7G72M and Horay Solar HS 182-144 TC-D (both 22.8%). - **30-year power warranty with low degradation** - The manufacturer guarantees 87.4% of nominal power retained after 30 years, with linear degradation capped at 0.4% per year (≤1% in year one) - above the typical 25-year/84.8% standard offered by many tier-1 competitors. - **Glass-glass construction and bifacial technology** - Dual-glass construction provides high resistance to moisture ingress and PID degradation, while bifacial technology enables additional rear-side energy yield, particularly beneficial on high-albedo surfaces such as gravel, roofing membranes, or snow. - **Low temperature coefficient of -0.298%/°C** - The N-type TOPCon cells have a power temperature coefficient of -0.298%/°C, notably better than -0.336%/°C in the manufacturer's own PERC line, translating into lower power losses during summer heat. ## Cons - **No BNEF Tier 1 status** - Mission Solar does not appear on the BNEF Tier 1 manufacturer list, which may complicate bank financing for commercial projects and utility-scale solar farms, despite the series being technically competitive with offerings from established Asian players. - **Limited presence in the European market** - Mission Solar is a US-focused manufacturer (facilities in San Antonio, Texas) without a confirmed extensive distribution and service network in Poland/EU, which could extend warranty claim turnaround times compared to European distributors of Jinko, Trina, or LONGi. - **Shorter manufacturer track record** - The company has operated since 2014, a shorter history than many tier-1 segment leaders with 15-20 years of production, which limits certainty around the long-term financial stability backing the claimed 30-year power warranty. - **12-year product warranty below premium segment** - The 12-year product warranty is shorter than the 15 years standard among many premium TOPCon competitors (e.g., Jinko Tiger Neo, Trina Vertex), worth factoring into overall service risk assessment. ## About this series The MSI TOPCon Bifacial 144HC Dual Glass series is a technologically advanced solution that sets new standards of efficiency through the use of **N-type cells in TOPCon technology**. Thanks to the **glass-glass construction** used, these panels exhibit extreme resistance to atmospheric factors and moisture-induced degradation, which is crucial in the variable Polish climate. The use of **bifacial technology** allows for active energy harvesting from both sides of the module, which significantly increases total yield, especially on surfaces with high albedo, such as light-colored ground surfaces or roof membranes. The design based on 144 half-cut cells minimizes energy losses resulting from spot shading and reduces internal resistance, which directly addresses the problem of power drops in less favorable lighting conditions. These modules are dedicated to investors seeking uncompromising quality in commercial projects and solar farms. They are distinguished from typical market solutions by exceptional **thermal stability** and lower linear degradation, which guarantees higher yields in the long term. This is a proposition for professionals focusing on **maximum system longevity** and a predictable, fast return on investment. ## Notable figures - At 22.7% efficiency, this panel is on par with typical \*\*TOPCon 550-600W\*\* modules - At 226.5 W/m² power density, roof space requirements are typical for \*\*TOPCon 550-600W\*\* panels - At -0.30%/°C, hot weather performance is typical for \*\*TOPCon 550-600W\*\* panels - Weight of 32.2 kg is 1.0 kg above \*\*TOPCon 550-600W\*\* median (31.2 kg) - verify structural support - #3506 for efficiency, #6090 for temperature performance out of 14005 panels ## Questions ### What is TOPCon cell technology in the Mission Solar MSI 144HC and how does it differ from PERC? TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell technology featuring an additional tunnel oxide passivation layer that reduces charge carrier recombination losses. Compared to standard PERC cells, it delivers higher module efficiency, a lower temperature coefficient, and a lower annual degradation rate of 0.4% from year 2 onward. For the investor, this translates into measurably more energy generated over the entire system lifetime. ### How much extra energy can I expect from the bifacial design of the MSI TOPCon 144HC Dual Glass? Bifacial panels harvest energy from both the front and rear surfaces. Rear-side gain depends on ground albedo and typically ranges from 5% to 20% above a comparable monofacial module. The effect is most pronounced on ground-mounted arrays with light-colored soil or on white rooftop membranes. With a nominal front-side power of up to 590 Wp, the additional reflected-light output meaningfully improves the overall system LCOE. ### What warranty does the Mission Solar MSI TOPCon Bifacial 144HC Dual Glass carry? The series comes with a 12-year product warranty covering material and workmanship defects, and a 30-year linear power output warranty. Degradation is capped at 1% in year 1 and 0.4% per year thereafter, guaranteeing at least 87.4% of rated output after 30 years. This is among the best degradation profiles available for TOPCon modules and a strong argument in any long-term ROI calculation. ### Are the MSI TOPCon Bifacial 144HC Dual Glass panels designed for utility-scale solar farms or residential rooftops? This series is engineered primarily for commercial and utility-scale ground-mounted solar farms. The dual-glass construction withstands the moisture and mechanical loads typical of large installations. With up to 590 Wp per module and 144 half-cut cells, fewer modules are needed per MWp, directly reducing BoS costs and installation time — key advantages for large-scale project developers. ### How do Mission Solar MSI TOPCon 144HC panels perform in Central European weather — overcast skies and freezing temperatures? N-type TOPCon cells have a lower temperature coefficient than PERC cells, meaning less power loss on hot days. At cold temperatures, common in Central European winters, they actually perform better than in heat. Combined with a dual-glass build that virtually eliminates moisture-induced degradation, the modules deliver predictable and stable annual energy output across the wide temperature swings and frequent overcast conditions typical of the Polish climate. ### What is the difference between dual-glass construction and a standard backsheet in the MSI TOPCon Bifacial 144HC? A standard PV module pairs a front glass with a polymer backsheet that allows moisture ingress over time. In the MSI TOPCon 144HC Dual Glass series, both faces are tempered glass, which completely eliminates rear-side vapor transmission, drastically reduces PID (Potential Induced Degradation), and extends mechanical service life. The construction also resists acid and UV exposure — critical for reliable 30-year outdoor operation. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/C-MKTG-0038-Data-Sheet-for-HN4G-580-590W-Dual-Glass-a5905ea69c55.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | Cooler, lighter, +2.1 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | Cooler, lighter, +1.9 pp | | [AIKO AIKO-A635-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a635-mae72mw) | 635 W | +50 W, lighter, +1.9 pp | | [AIKO AIKO-A630-MAH72Dw](https://comparepv.com/panel/aiko-aiko-a630-mah72dw) | 630 W | +45 W, cooler, +1.7 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | Cooler, 16 kg lighter, +1.7 pp | | [Mission Solar MSI10-545HT4T](https://comparepv.com/panel/mission-solar-msi10-545ht4t) | 545 W | Lighter, -1.4 pp, -5 yr warranty | | [Mission Solar MSI10-550HT4T](https://comparepv.com/panel/mission-solar-msi10-550ht4t) | 550 W | Lighter, -1.2 pp, -5 yr warranty | | [Mission Solar MSI10-555HT4T](https://comparepv.com/panel/mission-solar-msi10-555ht4t) | 555 W | Lighter, -1.0 pp, -5 yr warranty | | [Mission Solar MSN10-575HN4G](https://comparepv.com/panel/mission-solar-msn10-575hn4g) | 575 W | -10 W, hotter, -0.4 pp | | [Mission Solar MSI10-580HN4G](https://comparepv.com/panel/mission-solar-msi10-580hn4g) | 580 W | -0.2 pp | | [Mission Solar MSI10-590HN4G](https://comparepv.com/panel/mission-solar-msi10-590hn4g) | 590 W | Very close match | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +65 W, lighter, +2.5 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +60 W, lighter, +2.3 pp | | [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | +55 W, lighter, +2.1 pp | --- Source: https://comparepv.com/panel/mission-solar-msi10-585hn4g Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.