--- title: "Leapton LP182*210-M-54-NB-490W 490W Solar Panel - Specs & Review | ComparePV" description: "Leapton LP182*210-M-54-NB-490W 490W solar panel. Specs: 22.03% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/leapton-lp182-210-m-54-nb-490w" updated: 2026-09-11 --- # Leapton LP182\*210-M-54-NB-490W Middle of its segment, heavy for its output 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** Leapton - **Model:** LP182\*210-M-54-NB-490W - **Series:** LP182\*210-M-54-NB - **Rated power:** 490 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) | 490 W | 465 W | Strong - top 12% | | | Module efficiency | 22.03% | 22.52% | Weak - bottom 20% | 6,306 | | Power density | 220.3 | 225.2 | Weak - bottom 19% | 6,276 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 20% | 6,093 | | Weight (kg) | 27.7 kg | 24.0 kg | Weak - bottom 7% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.03% | 22.52% | Weak - bottom 20% | 6,306 | | Power density | 220.3 | 225.2 | Weak - bottom 19% | 6,276 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 20% | 6,093 | | Weight per kWp | 56.5 | 52.2 | Weak - bottom 7% | 10,705 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Watch out for - **56.5 kg per kWp** - Bottom 7% of the TOPCon 450-500 W segment, against a median of 52.2. Ranked 10,705th in the whole database. - **220.3 watts per square metre** - Bottom 19% of the TOPCon 450-500 W segment, against a median of 225.2. - **-0.300 %/°C temperature coefficient** - Bottom 20% of the TOPCon 450-500 W segment, against a median of -0.290. - **Best for:** Residential and commercial. - **Not ideal for:** Weight-limited structures, roofs where every square metre has to count and hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 490 W - **Efficiency:** 22.03 % - **Voltage at Pmax (Vmp):** 32.93 V - **Current at Pmax (Imp):** 14.88 A - **Open-circuit voltage (Voc):** 39.57 V - **Short-circuit current (Isc):** 15.78 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:** 41 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 - **Bifacial:** yes ### Physical - **Length:** 1961 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 27.7 kg - **Area:** 2.22 m2 - **Power density:** 220.3 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 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:** 428 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 6306 of 14005 | | Power density | 6276 of 14005 | | Temperature coefficient | 6093 of 14005 | | Weight | 10705 of 14005 | | Warranty | 21 of 14005 | ## Pros - **N-type TOPCon cell technology** - TOPCon cells deliver lower LID/LeTID degradation and better low-irradiance performance than older PERC cells, resulting in higher and more stable annual energy yield over the system's lifetime. - **Bifacial glass-glass construction** - The dual-glass bifacial design (bifaciality 80±5%) enables an additional 5-25% rear-side energy gain depending on ground albedo, while also improving mechanical and weathering durability. - **High efficiency of 22.03-22.93%** - Series efficiency clearly outperforms Trina Solar's Vertex Backsheet module (21.2%) and is essentially on par with segment leader JA Solar JAM60S40 LR (23%), reducing the required roof/ground footprint for a given system power. - **30-year linear power warranty** - The manufacturer provides a 30-year linear power warranty alongside a standard 25-year product warranty - 5 years longer than the typical power warranty offered by competitors (e.g., Trina Solar, generally 25-30 years), lowering long-term investment risk. - **Tier-1 manufacturer with Japanese backing** - Leapton is a Tier-1 bankable manufacturer headquartered in Japan and operating since 2012, which supports project bankability and insurability compared to less established brands in this segment. ## Cons - **Heavier double-glass construction** - The glass-glass build typical of this series results in higher module weight (roughly 27-28 kg) compared to backsheet panels such as Trina's Vertex Backsheet module - a factor to consider when designing mounting structures, especially on load-limited roofs. ## About this series The Leapton LP182\*210-M-54-NB series was designed to maximize energy yield from the same surface area - thanks to **N-type cells in TOPCon technology**, the modules also function reliably in lower light conditions and exhibit slower degradation over time. This makes it a good choice where high predictability of energy production and a long lifespan are important - for example, in residential prosumer installations, on company roofs, and in projects focused on self-consumption. A key advantage is **the bifacial design**, which allows for the utilization of reflected light from the ground - a real benefit on bright roofs, on ground with appropriate backing, or in systems where dispersed light is important. The **large cell formats** and refined connection architecture minimize internal losses, while the **slim frame and modern design** facilitate aesthetically pleasing installation. In addition, **extended warranties** support investment security and differentiate this series from many standard modules available on the market. ## Notable figures - Efficiency of 22.0% matches the \*\*TOPCon 450-500W\*\* median - Power density of 220.3 W/m² is 4.8 W/m² below \*\*TOPCon 450-500W\*\* median (225.2 W/m²) - needs more roof space - At -0.30%/°C, hot weather performance is typical for \*\*TOPCon 450-500W\*\* panels - Weight of 27.7 kg is 3.7 kg above \*\*TOPCon 450-500W\*\* median (24.0 kg) - verify structural support - Bifaciality factor of 80% can add 4-12% extra yield with reflective mounting surface ## Questions ### How do TOPCon cells in the Leapton LP182\*210-M-54-NB series compare to standard PERC cells? The N-type TOPCon cells used in the LP182\*210-M-54-NB series have a lower temperature coefficient and reduced low-light losses compared to conventional PERC cells. In practice, this translates to higher energy output on overcast days and slower power degradation over the system's lifetime. The series reaches module efficiency of up to 22.93%, giving it a measurable production advantage over same-size PERC modules. ### How does the bifacial design of the LP182\*210-M-54-NB work, and how much extra energy can I expect? The LP182\*210-M-54-NB modules feature a bifaciality of 80±5%, meaning the rear side can generate an additional 5–25% of energy from reflected light. The actual gain depends on the albedo of the surface below: light-colored gravel, white roofing membranes, or bright ground covers significantly increase yield. On dark roofs the effect is smaller but still measurable, making bifacial technology a versatile advantage across installation types. ### What warranties come with the Leapton LP182\*210-M-54-NB panels and what exactly do they cover? The LP182\*210-M-54-NB series includes a 25-year product warranty covering material and workmanship defects, plus a 30-year power output warranty guaranteeing at least 87.4% of nominal power after 30 years of operation. The 30-year power warranty is among the longest available on the market and is a key factor when calculating long-term LCOE and investment return over the full system lifecycle. ### Can the Leapton LP182\*210-M-54-NB panels be installed on a standard pitched roof, and how heavy are they? Yes, the LP182\*210-M-54-NB series is fully compatible with standard pitched-roof mounting systems. Each module measures 1961×1134×30 mm and weighs 27.7 kg, which is within the typical range for 500 W-class panels. The mounting structure should be sized accordingly. The dual-glass construction provides strong mechanical resilience, with rated snow load up to 5400 Pa and wind load up to 2400 Pa. ### Is the Leapton LP182\*210-M-54-NB series better suited for residential or commercial installations? The LP182\*210-M-54-NB series performs well in both residential prosumer rooftop systems and larger commercial or ground-mounted projects. The high unit output of up to 510 W allows building high-capacity arrays with fewer modules and a simplified BoS design. The dual-glass enclosure and extended power warranty make it especially attractive where long-term production predictability and low degradation are the primary requirements. ### Is Leapton a reliable manufacturer, and is the LP182\*210-M-54-NB series still available for purchase? Leapton Solar is a Japan-headquartered Tier 1 manufacturer, a classification that reflects financial stability and consistent production quality. The LP182\*210-M-54-NB series is currently active and available on the market. Tier 1 status is particularly relevant when assessing warranty risk — it increases the likelihood that the manufacturer will honor its obligations throughout the full 30-year power warranty period. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/e4a593f594705de78898e8ce22107f96-19b6ba290bea.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, lighter, +3.0 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +2.8 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, lighter, +2.7 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, lighter, +2.5 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, lighter, +2.5 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | Cooler, lighter, +2.5 pp | | [Leapton LP182\*182-M-60-NH-480W](https://comparepv.com/panel/leapton-lp182-182-m-60-nh-480w) | 480 W | -10 W, lighter, -0.4 pp | | [Leapton LP182\*182-M-60-NH-485W](https://comparepv.com/panel/leapton-lp182-182-m-60-nh-485w) | 485 W | Lighter | | [Leapton LP182\*182-M-60-NH-490W](https://comparepv.com/panel/leapton-lp182-182-m-60-nh-490w) | 490 W | Lighter | | [Leapton LP182\*182-M-60-NB-495W](https://comparepv.com/panel/leapton-lp182-182-m-60-nb-495w) | 495 W | +0.3 pp | | [Leapton LP182\*210-M-54-NH-495W](https://comparepv.com/panel/leapton-lp182-210-m-54-nh-495w) | 495 W | Lighter, +0.2 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | +70 W, cooler, +2.8 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | +65 W, cooler, +2.6 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | +60 W, lighter, +2.4 pp | | [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | +50 W, lighter, +2.4 pp | | [Gokin GK-5-60HG-540M](https://comparepv.com/panel/gokin-gk-5-60hg-540m) | 540 W | +50 W, lighter, +2.4 pp | --- Source: https://comparepv.com/panel/leapton-lp182-210-m-54-nb-490w 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.