--- title: "Hyundai HiT-H455LE-FB 455W Solar Panel - Specs & Review | ComparePV" description: "Hyundai HiT-H455LE-FB 455W solar panel. Specs: 22.80% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/hyundai-hit-h455le-fb" updated: 2026-09-11 --- # Hyundai HiT-H455LE-FB Solid all-round for its segment 83 panels in the segment HJT 450-500 W ## Identity - **Manufacturer:** Hyundai - **Model:** HiT-H455LE-FB - **Series:** HeteroMax™ (LE-FB Series) - **Rated power:** 455 W - **Cell technology:** HJT - **Bifacial:** yes ## How it compares Compared against segment HJT 450-500 W (83 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 455 W | 460 W | Typical | | | Module efficiency | 22.80% | 22.77% | Typical | 2,714 | | Power density | 227.7 | 227.7 | Typical | 2,888 | | Temperature coefficient | -0.240 | -0.240 | Typical | 13 | | Weight (kg) | 21.8 kg | 23.0 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.80% | 22.77% | Typical | 2,714 | | Power density | 227.7 | 227.7 | Typical | 2,888 | | Temperature coefficient | -0.240 | -0.240 | Typical | 13 | | Weight per kWp | 47.9 | 49.3 | Typical | 1,971 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | - **Best for:** Residential, commercial and hot-climate. ## Specification ### Electrical - **Rated power (Pmax):** 455 W - **Efficiency:** 22.80 % - **Voltage at Pmax (Vmp):** 30.94 V - **Current at Pmax (Imp):** 14.71 A - **Open-circuit voltage (Voc):** 36.82 V - **Short-circuit current (Isc):** 15.64 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.240 %/degC - **Temperature coefficient of Voc:** -0.220 %/degC - **Temperature coefficient of Isc:** 0.040 %/degC - **NOCT:** 44 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** HJT - **Cell count:** 96 - **Bifacial:** yes ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 21.8 kg - **Area:** 2.00 m2 - **Power density:** 227.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 30 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 90.3 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.30 % - **Output after 30 years:** 411 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 2714 of 14005 | | Power density | 2888 of 14005 | | Temperature coefficient | 13 of 14005 | | Weight | 1971 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Best-in-class temperature coefficient** - HJT cells in the LE-FB series deliver a temperature coefficient of -0.26%/°C versus -0.32%/°C for TOPCon and -0.35%/°C for PERC. At a typical summer rooftop temperature of ~65°C, HJT loses approximately 10% of rated output compared to 14–15% for PERC — translating to measurably higher energy yield during hot summer months with no system changes required. - **Lowest degradation rate + 30-year linear power warranty** - HJT technology eliminates LID and PID effects, achieving annual degradation of 0.25–0.30%/yr vs ~0.40%/yr for TOPCon. HD Hyundai guarantees ≥90.3% of nominal power after 30 years (1% in Year 1, then 0.30%/yr linear), exceeding the standard 25-year warranty terms offered by most competitors in the same power class. - **Bifaciality up to 90% — above bifacial PERC** - The HJT symmetric cell structure provides a bifaciality factor up to 90% versus 70–80% for bifacial PERC modules. This translates to an additional 2–4% energy yield from ground-reflected irradiance, particularly valuable on light-colored rooftops, gravel ballast, or snow-covered surfaces — common conditions in the Polish climate zone. - **Efficiency 21.8–22.8% — top of segment** - The LE-FB series matches the best-performing peer comparables: Sunlike SKT420~455M10-108D6 (22.8%) and IBC Solar LS-TA2 (22.8%), and decisively outperforms Waaree ARKA (20.93%). Higher module efficiency directly reduces the required roof area per installed kWp. - **BNEF Tier-1 manufacturer with 30-year product warranty** - HD Hyundai Energy Solutions is listed as a BNEF Tier-1 bankable manufacturer, reducing project finance risk. A full 30-year product warranty (not just power warranty) is uncommon in the segment and materially improves LCOE calculations for both residential prosumer and commercial-scale installations. ## Cons - **HJT price premium over TOPCon** - HJT modules are priced at ~$0.38–0.50/W wholesale versus ~$0.28–0.35/W for TOPCon modules of comparable efficiency (e.g., Sunlike at 22.8%). For a typical 6 kWp residential system, this represents an additional $700–$1,500 over a TOPCon alternative. The higher upfront CapEx extends the SPBT, though it is partially offset by lower long-term degradation. - **HJT is a niche technology (~8% global market share)** - HJT accounts for approximately 8% of global cell production versus >65% for TOPCon (Fraunhofer ISE, 2025). In the Polish market this translates to a smaller pool of HJT-certified installers and service technicians, and — in the event of a module replacement — potentially longer lead times compared to the far more widely available TOPCon units. ## About this series The Hyundai HeteroMax™ (LE-FB Series) redefines performance standards in the premium sector, utilizing breakthrough **heterojunction cell technology (HJT)**. By combining the advantages of monocrystalline silicon with amorphous thin-film layers, these modules offer significantly higher energy conversion efficiency than traditional solutions. A key advantage of the series is its **exceptional low-light performance**, which directly translates into real yields in the Polish climate zone during cloudy days. The innovative design ensures a **very low temperature coefficient**, limiting power losses during hot summers when standard panels lose efficiency. LE-FB models also represent aesthetics without compromise - the deep black cells make the installation an elegant architectural element. For investors, **bifacial technology (double-sided)** is of key importance, allowing for additional energy gain from reflected light reaching the back of the module. This series is dedicated to the most demanding homeowners and companies that prioritize **maximum longevity and resistance to degradation** such as PID or LID. By choosing these panels, you gain the certainty of stable operation for decades, backed by the financial security of a global brand, which sets this product apart from less stable competition. ## Notable figures - At 22.8% efficiency, this panel is on par with typical \*\*HJT 450-500W\*\* modules - At 227.7 W/m² power density, roof space requirements are typical for \*\*HJT 450-500W\*\* panels - At -0.24%/°C, hot weather performance is typical for \*\*HJT 450-500W\*\* panels - 21.8 kg weight - 1.2 kg lighter than \*\*HJT 450-500W\*\* median (23.0 kg), reducing installation effort - Ranked #2714 out of 14005 panels for efficiency in the database ## Questions ### What is HJT cell technology in Hyundai HeteroMax LE-FB panels and is it worth the premium? HJT (Heterojunction Technology) stacks a crystalline N-type silicon wafer between ultra-thin amorphous silicon layers. The result is module efficiency of approximately 22.3% for the HiT-H455LE-FB — significantly higher than standard PERC panels. A key advantage is the complete elimination of both LID (Light-Induced Degradation) and PID (Potential-Induced Degradation), which permanently reduce output in conventional cells. Over a 30-year lifespan this translates into measurably more kilowatt-hours from the same roof area. ### How do Hyundai HeteroMax HiT-H455LE-FB panels perform on overcast days typical of Central European climates? The HeteroMax LE-FB series is specifically optimized for low-light conditions — one of the defining advantages of HJT technology. On overcast days, heterojunction cells harvest more diffuse irradiance than standard PERC modules, delivering a higher annual energy yield in Central European weather patterns. Combined with the low temperature coefficient of -0.26%/°C, the panels sustain strong output in every season, making them well-suited for climates with frequent cloud cover. ### What does the -0.26%/°C temperature coefficient of the Hyundai HeteroMax LE-FB mean in real-world terms? A temperature coefficient of Pmax = -0.26%/°C means output drops by only 0.26% for every degree Celsius above 25°C. Typical PERC modules rate at -0.35 to -0.40%/°C. On a hot summer day when cell temperature reaches 60°C, the LE-FB loses roughly 9.1% of rated power, while a standard module loses 12-14%. In practice this advantage can add several dozen additional kWh per year to your system's production. ### What warranty coverage comes with Hyundai HeteroMax LE-FB Series panels? The HeteroMax LE-FB series carries a 30-year product warranty covering materials and workmanship, plus a 30-year power performance warranty. Hyundai guarantees a maximum first-year degradation of 1% and no more than 0.375% per year thereafter, ensuring at least 88% of rated output after 30 years of operation. The warranty is backed by Hyundai, a globally recognized Tier 1 manufacturer headquartered in South Korea, providing long-term financial security for the commitment. ### How does the bifacial design of Hyundai HeteroMax LE-FB panels work and how much extra energy can I expect? The bifacial design allows the LE-FB module to absorb sunlight from both the front glass and the rear glass — capturing light reflected from the roofing membrane, gravel ballast, or ground surface. With a bifaciality factor of up to 90%, favorable albedo conditions such as a white membrane, light gravel, or snow can boost annual yield by 2-10% compared to a monofacial module. The dual-glass construction also shields the rear surface from moisture ingress and corrosion, extending the system's effective service life. ### Do Hyundai HeteroMax HiT-H455LE-FB panels fit a standard residential sloped roof? Yes. The HiT-H455LE-FB measures 1762 × 1134 × 30 mm and weighs approximately 21.6 kg, which is compatible with most standard racking systems designed for sloped roofs. The 30 mm aluminum alloy frame works with widely available rail systems. The module is rated for snow loads up to 5,400 Pa and wind loads up to 2,400 Pa, meeting structural requirements across Polish snow and wind load zones. An installer will size the array to the available roof area. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/HiT-HxxxLE-FB_Datasheet_-_HeteroMax_HiT-HxxxLE-FB435-455_EN-8ceab6f5fb65.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +40 W, hotter, +2.0 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +50 W, heavier, +1.9 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +35 W, hotter, +1.7 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +45 W, heavier, +1.7 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +45 W, hotter, +1.7 pp | | [Gokin GK-3-54HGb-500M](https://comparepv.com/panel/gokin-gk-3-54hgb-500m) | 500 W | +45 W, hotter, +1.7 pp | | [Hyundai HiT-H435LE-FB](https://comparepv.com/panel/hyundai-hit-h435le-fb) | 435 W | -20 W, -1.0 pp | | [Hyundai HiT-H440LE-FB(ZB)](https://comparepv.com/panel/hyundai-hit-h440le-fb-zb) | 440 W | -15 W, -0.8 pp | | [Hyundai HiT-H445LE-FB(ZB)](https://comparepv.com/panel/hyundai-hit-h445le-fb-zb) | 445 W | -10 W, -0.5 pp | | [Hyundai HiT-H450LE-FB(ZB)](https://comparepv.com/panel/hyundai-hit-h450le-fb-zb) | 450 W | -0.3 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +55 W, heavier, +2.2 pp | --- Source: https://comparepv.com/panel/hyundai-hit-h455le-fb Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.