--- title: "Huayao HY555-M144BDD Solar Panel: Specs & Datasheet | ComparePV" description: "Huayao HY555-M144BDD solar panel. Specs: 21.48% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/huayao-hy555-m144bdd" image: "https://comparepv.com/og/panel/huayao-hy555-m144bdd.png" updated: 2026-09-11 --- # Huayao HY555-M144BDD Space saver, no clear weak spot 589 panels in the segment PERC 550-600 W ## Identity - **Manufacturer:** Huayao - **Model:** HY555-M144BDD - **Series:** Hyper M72 - **Rated power:** 555 W - **Cell technology:** PERC - **Bifacial:** yes ## How it compares Compared against segment PERC 550-600 W (589 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 555 W | 560 W | Typical | | | Module efficiency | 21.48% | 21.29% | Typical | 8,217 | | Power density | 214.8 | 212.9 | Strong - top 20% | 8,099 | | Temperature coefficient | -0.350 | -0.350 | Typical | 10,489 | | Weight (kg) | 31.0 kg | 30.8 kg | Typical | | | Performance warranty | 30 yrs | 27 yrs | Strong - top 25% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.48% | 21.29% | Typical | 8,217 | | Power density | 214.8 | 212.9 | Strong - top 20% | 8,099 | | Temperature coefficient | -0.350 | -0.350 | Typical | 10,489 | | Weight per kWp | 55.9 | 52.7 | Typical | 10,320 | | Performance warranty | 30 yrs | 27 yrs | Strong - top 25% | 21 | ### Strengths - **214.8 watts per square metre** - Top 20% of the PERC 550-600 W segment, against a median of 212.9. - **30 year performance warranty** - Top 25% of the PERC 550-600 W segment, against a median of 27 yrs. - **Best for:** Utility-scale, commercial and hot-climate. ## Specification ### Electrical - **Rated power (Pmax):** 555 W - **Efficiency:** 21.48 % - **Voltage at Pmax (Vmp):** 42.76 V - **Current at Pmax (Imp):** 12.98 A - **Open-circuit voltage (Voc):** 50.66 V - **Short-circuit current (Isc):** 13.79 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.350 %/degC - **Temperature coefficient of Voc:** -0.275 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 44 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 144 - **Bifacial:** yes - **Bifacial gain:** 20.00 ### Physical - **Length:** 2278 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 31.0 kg - **Area:** 2.58 m2 - **Power density:** 214.8 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 85.0 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.45 % - **Output after 30 years:** 471 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8217 of 14129 | | Power density | 8099 of 14129 | | Temperature coefficient | 10489 of 14129 | | Weight | 10320 of 14129 | | Warranty | 21 of 14129 | ## Pros - **Bifacial dual-glass (BDD)** - The dual-glass bifacial (BDD) design captures reflected irradiance on the rear side of the module. With typical albedo values of 0.20-0.50 (white EPDM membrane, light gravel), rear-side energy gain ranges from 5-30% above equivalent monofacial output - particularly valuable for ground-mount farms and flat white-roof installations. - **Module efficiency up to 21.48%** - Peak module efficiency of 21.48% is on par with the leading peer comparables in this wattage class: JA Solar DEEP BLUE 3.0 reaches 21.5%, ET Solar Elite PLUS 21.4%, and Boviet VEGA 21.3%. The Hyper M72 series is therefore competitive in power density and does not require additional roof or ground area versus Tier-1 alternatives. - **30-year linear power warranty** - Huayao provides a 30-year linear power output warranty, exceeding the 25-year standard common for P-type PERC modules. For investors structuring long-term PPAs or bank-financed renewable projects with a 20-25 year payback horizon, this directly improves LCOE calculations and bankability documentation. - **5 power variants, 535-555 Wp** - The series covers five power variants across a 535-555 Wp range (20 Wp spread), providing flexibility to match MPPT window requirements and string sizing for a broad range of inverter configurations without project redesign. Peer comparables (JA Solar DEEP BLUE 3.0, Boviet VEGA) offer comparable ranges, making this a genuine but symmetrical advantage. ## Cons - **Not BNEF Tier-1 bankable** - Huayao does not appear on the BNEF Tier-1 bankable manufacturer list (Q1 2026), unlike peer comparable JA Solar, which holds Tier-1 status. This absence is a concrete barrier to debt financing for projects above 1 MW, as independent commercial banks routinely require Tier-1 modules as a precondition for project loans. - **Product warranty only 15 years** - The materials and workmanship warranty is 15 years - significantly below the 25-year industry standard offered by peer comparables including JA Solar DEEP BLUE 3.0 and Boviet VEGA. This shorter coverage increases out-of-pocket servicing risk after year 15 and may negatively affect asset valuation in secondary market transactions. - **Series description inconsistent with spec sheet** - The official series marketing description attributes N-type TOPCon cell technology to this product, while the technical specification lists P-type PERC. This discrepancy indicates a marketing materials error and may mislead buyers expecting TOPCon-level LID resistance and temperature coefficient (Pmax/Tc ≈ -0.29%/°C for TOPCon vs. ~-0.35%/°C typical for PERC). ## About this series The Huayao Hyper M72 series is based on **advanced N-type TOPCon technology**, which sets new performance standards in the Polish renewable energy sector. These modules have been optimized to reduce LID and LeTID phenomena, which directly translates into higher long-term power stability. Thanks to the use of a **bifacial dual-glass design**, Hyper M72 panels effectively utilize reflected light, making them an unrivaled choice for ground-mounted farms and installations on white membrane roofs. This solution eliminates problems related to low production on cloudy days, as **high sensitivity to diffused light** allows for high-efficiency operation even in unfavorable weather. Compared to standard P-type modules, this series offers a significantly **more favorable temperature coefficient**, limiting energy losses during summer solar peaks. It is a product dedicated to investors and installers whose priority is **maximizing the ROI profitability index** while maintaining the highest mechanical resistance to harsh weather conditions. Huayao Hyper M72 is a technology of the future that combines precision craftsmanship with real energy yield. ## Notable figures - Efficiency of 21.5% matches the \*\*PERC 550-600W\*\* median - Power density of 214.8 W/m² matches the \*\*PERC 550-600W\*\* median - At -0.35%/°C, hot weather performance is typical for \*\*PERC 550-600W\*\* panels - Ranked #8217 out of 14129 panels for efficiency in the database ## Questions ### What warranty does the Huayao Hyper M72 series come with? The Hyper M72 series includes a 15-year product warranty and a 30-year linear power output warranty. The 30-year performance guarantee is a premium industry standard, ensuring the modules maintain specified output parameters for three decades. A longer power warranty directly improves the LCOE and overall ROI calculation for long-term energy investments. ### Are Huayao Hyper M72 panels suitable for ground-mount installations or white TPO/PVC membrane roofs? Yes, the Hyper M72 series with its bifacial dual-glass construction is specifically designed for these applications. The bifacial PERC cells effectively capture light reflected from bright surfaces such as white roofing membranes or gravel, increasing energy yield by several to over ten percent compared to standard monofacial modules. It is one of the top choices for utility-scale ground-mount systems. ### What does bifacial mean for the Huayao Hyper M72 and is it a real-world energy gain? Bifacial means the module generates electricity from both the front and rear sides. The rear surface captures albedo light reflected from the ground, which - with a bright substrate such as gravel, white membrane, or snow - can increase energy production by 5-15%. The Hyper M72 uses a dual-glass encapsulation that simultaneously enables bifacial operation and improves mechanical durability and moisture resistance. ### What is the maximum power output of the Huayao Hyper M72 and how many panels do I need for a typical home system? The peak power output is 555 Wp per module. For a typical residential 10 kWp system you would need approximately 18-19 panels. The high per-module wattage reduces the total panel count on the roof and simplifies wiring, potentially lowering BoS costs. For commercial and ground-mount projects, higher unit power directly cuts balance-of-system expenses. ### Is Huayao a Tier 1 manufacturer, and should the lack of that status be a concern? Huayao is not currently listed on Bloomberg NEF Tier 1 rankings, which is worth noting for bank-financed or lease projects where lenders often require Tier 1 modules. For private investors and smaller residential installations, the key factors are warranty terms and the distributor's ability to service claims locally - verify that your Polish distributor provides full warranty support before purchasing. ### Do Huayao Hyper M72 panels perform well in Poland during winter or overcast conditions? The Hyper M72 series is characterized by high sensitivity to diffuse light, which supports better output on the overcast days typical of the Polish climate. PERC cell technology improves conversion of visible and near-infrared light spectrum. In winter, the bifacial design can additionally harvest albedo from snow cover, partially offsetting shorter days and low solar elevation angles. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/1-86fc7b243238.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, lighter, +3.5 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | Cooler, lighter, +3.3 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, lighter, +3.2 pp | | [WINAICO WST-505BKX54-A2](https://comparepv.com/panel/winaico-wst-505bkx54-a2) | 505 W | Cooler, lighter, +3.2 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | Cooler, lighter, +3.1 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | Cooler, lighter, +2.9 pp | | [Huayao HY535-M144BDD](https://comparepv.com/panel/huayao-hy535-m144bdd) | 535 W | -20 W, -0.8 pp | | [Huayao HY540-M144BDD](https://comparepv.com/panel/huayao-hy540-m144bdd) | 540 W | -15 W, -0.6 pp | | [Huayao HY545-M144BDD](https://comparepv.com/panel/huayao-hy545-m144bdd) | 545 W | -10 W, -0.4 pp | | [Huayao HY550-M144BDD](https://comparepv.com/panel/huayao-hy550-m144bdd) | 550 W | Very close match | | [Huayao HY570-N144BDD](https://comparepv.com/panel/huayao-hy570-n144bdd) | 570 W | +15 W, cooler, +0.6 pp | | [Huayao HY575-N144BDD](https://comparepv.com/panel/huayao-hy575-n144bdd) | 575 W | +20 W, cooler, +0.8 pp | | [Huayao HY580-N144BDD](https://comparepv.com/panel/huayao-hy580-n144bdd) | 580 W | +25 W, cooler, +1.0 pp | | [Huayao HY585-N144BDD](https://comparepv.com/panel/huayao-hy585-n144bdd) | 585 W | +30 W, cooler, +1.2 pp | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +95 W, cooler, +3.7 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +90 W, cooler, +3.5 pp | --- Source: https://comparepv.com/panel/huayao-hy555-m144bdd 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.