--- title: "Huayao HY440-N108BDD 450W Solar Panel - Specs & Review | ComparePV" description: "Huayao HY440-N108BDD 450W solar panel. Specs: 23.04% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/huayao-hy440-n108bdd" updated: 2026-09-11 --- # Huayao HY440-N108BDD Space saver, weak in heat 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** Huayao - **Model:** HY440-N108BDD - **Series:** Hyper N54 - **Rated power:** 450 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) | 450 W | 465 W | Weak - bottom 9% | | | Module efficiency | 23.04% | 22.52% | Strong - top 14% | 1,711 | | Power density | 230.4 | 225.2 | Strong - top 14% | 1,708 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 20% | 6,093 | | Weight (kg) | 23.5 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 | 23.04% | 22.52% | Strong - top 14% | 1,711 | | Power density | 230.4 | 225.2 | Strong - top 14% | 1,708 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 20% | 6,093 | | Weight per kWp | 52.2 | 52.2 | Typical | 5,684 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **230.4 watts per square metre** - Top 14% of the TOPCon 450-500 W segment, against a median of 225.2. - **23.04% module efficiency** - Top 14% 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:** Residential, commercial, shaded-installations and hot-climate. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 450 W - **Efficiency:** 23.04 % - **Voltage at Pmax (Vmp):** 32.37 V - **Current at Pmax (Imp):** 13.91 A - **Open-circuit voltage (Voc):** 39.08 V - **Short-circuit current (Isc):** 14.76 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:** 44 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 - **Bifacial:** yes ### Physical - **Length:** 1722 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 23.5 kg - **Area:** 1.95 m2 - **Power density:** 230.4 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:** 393 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 1711 of 14005 | | Power density | 1708 of 14005 | | Temperature coefficient | 6093 of 14005 | | Weight | 5684 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Up to 23.04% efficiency — top of segment** - Peak module efficiency of 23.04% matches or marginally surpasses direct peer comparables: Risen RSM96-11 (23.00%) and SunKean SKT440~460M12-96D4 (23.02%) at the same 460 Wp power class. Even the lowest-power variant (21.27%) outperforms Zonergy ZPM MH3-72 (21.16%), placing the Hyper N54 in the upper tier of its segment. - **N-type TOPCon — lower temperature coefficient** - N-type TOPCon cells deliver a temperature coefficient of approximately -0.29%/°C versus -0.34%/°C for legacy PERC. At a typical operating cell temperature of 65°C (40°C above STC), this translates to roughly 0.2 percentage points of additional relative yield, along with full immunity to LID caused by boron-oxygen complexes inherent in P-type silicon. - **Bifacial design — albedo-driven energy gain** - The bifacial architecture harvests reflected irradiance from the rear surface. With typical ground albedo of 20-30% (light gravel, concrete), real-world annual yield uplift is 5-15% over a monofacial equivalent; on high-albedo surfaces such as snow or white TPO roofing membranes, bifacial gain can reach 25-30%. - **13 power variants including full-black finish** - The series spans 13 variants from 425 to 460 Wp, including a full-black frame option for aesthetically demanding residential and premium commercial installations. The wide power band enables precise string sizing without oversizing the inverter or the array footprint. - **30-year linear power warranty** - The manufacturer provides a 30-year linear power output warranty, consistent with top mid-range TOPCon producers (Risen's RSM96-11 series carries an identical 30-year horizon). For a prosumer installation with a 25-30-year financial NPV horizon, this warranty coverage eliminates residual power degradation risk over the full analysis period. ## Cons - **Non-bankable — outside BNEF Tier-1** - Huayao does not appear on the BNEF Bankable Manufacturers list as of Q1 2026. Direct peer Risen Energy holds Tier-1 status. For projects requiring project-finance due diligence or commercial bank underwriting (typically above 50 kWp), the absence of Tier-1 certification may complicate or block lender acceptance of the module. - **UVID exposure — no PVEL verification** - The Kiwa PVEL 2025 Module Reliability Scorecard found that 41% of TOPCon BOMs failed the UVID (UV-Induced Degradation) test, with a median power loss of ~3.1% and a worst-case of 16.6%. Huayao Hyper N54 does not appear in independent PVEL test results, making it impossible to assess this series' susceptibility to UVID — identified as the leading reliability failure mode for n-type modules in 2025. - **15-year product warranty vs. 25 years at Risen** - The product (workmanship) warranty covers 15 years, while direct peer Risen RSM96-11 (23.00% efficiency, identical power class) offers a 25-year product warranty. The 10-year gap in protection against material and manufacturing defects is a meaningful differentiator for system owners targeting operational lifespans beyond 20 years. ## About this series The Huayao Hyper N54 series are modules engineered for maximum yield from limited rooftop space - particularly where every square meter counts and aesthetics matter. The application of **N-type monocrystalline cells** combined with **TOPCon** technology helps minimize losses and maintain stable energy production even under challenging operating conditions, such as high temperatures or variable irradiance. This effectively addresses performance degradation, which often appears sooner in lower-cost systems. The design based on a **54-cell half-cut configuration** enhances performance under partial shading and reduces the risk of localized overheating, translating to greater reliability and a longer lifespan. Various finishing options, including **full black**, facilitate seamless integration with modern rooftops and façades. This is an excellent choice for single-family homes, small businesses, and projects where **real-time performance parameters** take precedence over catalog specifications. ## Notable figures - Efficiency of 23.0% is 0.5pp above the \*\*TOPCon 450-500W\*\* median (22.5%) - At 230.4 W/m² power density, this panel generates 5.2 W/m² more per unit area than \*\*TOPCon 450-500W\*\* median (225.2 W/m²) - At -0.30%/°C, hot weather performance is typical for \*\*TOPCon 450-500W\*\* panels - Bifaciality factor of 75% can add 4-11% extra yield with reflective mounting surface - #1711 for efficiency, #6093 for temperature performance out of 14005 panels ## Questions ### What is the warranty on Huayao Hyper N54 panels? The Hyper N54 series comes with a 15-year product warranty covering material and workmanship defects, and a 30-year power output warranty. The manufacturer guarantees at least 87.4% of nominal power after 10 years and at least 80% after 30 years. This is a standard level for quality TOPCon N-type modules and provides solid protection for your investment over three decades. ### Are the Huayao Hyper N54 panels bifacial, and does it make sense on a pitched roof? Yes, the Hyper N54 is a bifacial module that also harvests light reflected from the surface beneath the panel. On a typical pitched roof with light-colored tiles or membrane, the rear-side power gain is usually 5–15% depending on tilt angle and surface albedo. The effect is smaller than in ground-mounted systems but is real and increases annual yield at no additional cost. ### How does the 54-cell half-cut layout in the Hyper N54 help when a chimney or dormer partially shades the panel? The 54-cell half-cut format splits the panel into two independent electrical strings. When the upper half is shaded by a chimney or dormer, the lower half continues producing power with minimal loss. Compared to full-cell modules, partial-shading losses are reduced by up to 30–50%, which directly translates into higher annual energy yield in typical urban and suburban rooftop conditions. ### What is TOPCon technology in the Hyper N54 panels and is it worth the premium? TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell technology that minimizes charge recombination at the silicon surface through a thin tunnel oxide layer. In practice it delivers higher efficiency (typically 22–23%), a lower temperature power coefficient, and slower long-term degradation than standard PERC cells. Over a 20–25 year residential system lifetime the cumulative energy production difference is clearly noticeable in electricity bills. ### Is Huayao a Tier 1 manufacturer, and is buying Hyper N54 panels financially safe? Huayao is not currently listed as a Tier 1 manufacturer by major agencies such as Bloomberg NEF or PV InfoLink, meaning it has a smaller production scale and shorter market track record than segment leaders. It is advisable to check the distributor's financial standing and consider system insurance that covers manufacturer insolvency risk. Product quality and warranty terms may be satisfactory, but extra due diligence on long-term risk is warranted. ### How many Huayao Hyper N54 460 Wp modules do I need for a home consuming 4,000 kWh per year? With average solar irradiation in Central Europe (roughly 1,050–1,150 kWh/kWp per year) and annual consumption of 4,000 kWh, the required system size is typically 4–5 kWp. That translates to 9–11 Hyper N54 modules rated at 460 Wp each. The exact number depends on roof tilt, azimuth, shading, and inverter selection — so an individual energy analysis is always necessary. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/4-ad46b52b6fec.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +45 W, cooler, +1.8 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +40 W, cooler, +1.5 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +50 W, cooler, +1.5 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +50 W, cooler, +1.5 pp | | [Gokin GK-3-54HGb-500M](https://comparepv.com/panel/gokin-gk-3-54hgb-500m) | 500 W | +50 W, cooler, +1.5 pp | | [GCL GCL-NR10R/54BGDF](https://comparepv.com/panel/gcl-gcl-nr10r-54bgdf) | 500 W | +50 W, cooler, +1.5 pp | | [Huayao CETC-235T(GDF)/64](https://comparepv.com/panel/huayao-cetc-235t-gdf-64) | 235 W | -215 W, lighter, -10.4 pp | | [Huayao CETC-240T(GDF)/64](https://comparepv.com/panel/huayao-cetc-240t-gdf-64) | 240 W | -210 W, lighter, -10.0 pp | | [Huayao CETC-245T(GDF)/64](https://comparepv.com/panel/huayao-cetc-245t-gdf-64) | 245 W | -205 W, lighter, -9.9 pp | | [Huayao CETC-250T(GDF)/64](https://comparepv.com/panel/huayao-cetc-250t-gdf-64) | 250 W | -200 W, lighter, -9.6 pp | | [Huayao HY395-M108BDD](https://comparepv.com/panel/huayao-hy395-m108bdd) | 395 W | -55 W, hotter, -2.8 pp | | [Huayao HY400-M108BDD](https://comparepv.com/panel/huayao-hy400-m108bdd) | 400 W | -50 W, hotter, -2.6 pp | | [Huayao HY405-M108BDD](https://comparepv.com/panel/huayao-hy405-m108bdd) | 405 W | -45 W, hotter, -2.3 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +60 W, cooler, +2.0 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +55 W, cooler, +1.7 pp | --- Source: https://comparepv.com/panel/huayao-hy440-n108bdd 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.