--- title: "Emmvee E490HCMW132 490W Solar Panel - Specs & Review | ComparePV" description: "Emmvee E490HCMW132 490W solar panel. Specs: 20.61% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/emmvee-e490hcmw132" updated: 2026-09-11 --- # Emmvee E490HCMW132 Middle of its segment, needs the roof space 449 panels in the segment PERC 450-500 W ## Identity - **Manufacturer:** Emmvee - **Model:** E490HCMW132 - **Series:** PEARL Monoperc Half Cut Module (132 half-cut cells, mono-facial) - **Rated power:** 490 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 450-500 W (449 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 490 W | 460 W | Strong - top 15% | | | Module efficiency | 20.61% | 20.82% | Typical | 11,082 | | Power density | 206.1 | 208.5 | Weak - bottom 23% | 11,102 | | Temperature coefficient | -0.350 | -0.350 | Typical | 10,419 | | Weight (kg) | 25.0 kg | 24.5 kg | Typical | | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 20.61% | 20.82% | Typical | 11,082 | | Power density | 206.1 | 208.5 | Weak - bottom 23% | 11,102 | | Temperature coefficient | -0.350 | -0.350 | Typical | 10,419 | | Weight per kWp | 51.0 | 53.1 | Typical | 4,360 | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Watch out for - **206.1 watts per square metre** - Bottom 23% of the PERC 450-500 W segment, against a median of 208.5. - **Best for:** Residential, commercial and shaded-installations. - **Not ideal for:** Roofs where every square metre has to count. ## Specification ### Electrical - **Rated power (Pmax):** 490 W - **Efficiency:** 20.61 % - **Voltage at Pmax (Vmp):** 38.94 V - **Current at Pmax (Imp):** 12.59 A - **Open-circuit voltage (Voc):** 44.65 V - **Short-circuit current (Isc):** 13.09 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.350 %/degC - **Temperature coefficient of Voc:** -0.280 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 132 ### Physical - **Length:** 2097 mm - **Width:** 1134 mm - **Thickness:** 35 mm - **Weight:** 25.0 kg - **Area:** 2.38 m2 - **Power density:** 206.1 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 84.8 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.55 % - **Output after 30 years:** 402 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 11082 of 14005 | | Power density | 11102 of 14005 | | Temperature coefficient | 10419 of 14005 | | Weight | 4360 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **PVEL Top Performer 2024 – 7/7 Categories** - Emmvee is the only Indian manufacturer to pass all 7 categories of the Kiwa PVEL 2024 Reliability Scorecard. Warranty claims amount to just 0.0002% of revenue, validating genuinely high module reliability under real-world field conditions. - **132 Half-Cut Cells with Multi-Busbar Current Collection** - The 132 half-cut cell layout reduces resistive losses and mitigates the impact of partial shading compared to full-cell modules. Multi-busbar interconnections also lower thermomechanical stress, reducing the risk of microcracks during daily operation. - **Competitive Efficiency in the PERC 132 HC 500 W Class** - The efficiency range of 20.4–21.03% is comparable to the direct peer Lina Energy LEPV 132 HC ICON PLUS (21.06%), confirming strong technical positioning in the mono PERC half-cut 500 W segment without requiring a premium for more exotic cell technologies. - **High PID Resistance and 25-Year Linear Power Warranty** - The manufacturer declares high resistance to Potential Induced Degradation (PID), which is critical for installations exposed to sustained system voltages and moisture. The 25-year linear power warranty meets the segment standard and is backed by a DNV GL bankability audit. ## Cons - **No BNEF Tier 1 Bankable Status** - Emmvee does not appear on the BNEF Tier 1 bankable manufacturers list (as of 2026), despite PVEL certification and a DNV GL audit. This may complicate project financing for PV plants above 1 MWp with lenders that require formal Tier 1 status as a contractual condition. - **PERC Technology – Efficiency Ceiling ~21% vs. Newer Cell Architectures** - Peers Gokin GK-3-54HGF (500 W, 24.5%) and Techwise Sun-Pursuit Pro (22.26%) achieve approximately 3.5 pp and 1.2 pp higher efficiency, respectively, most likely due to HJT or TOPCon cell technology. For rooftop installations with limited area, the efficiency gap translates into measurably lower annual energy yield for the same footprint. - **Monofacial Only – No Bifacial Variant Available** - The PEARL series does not offer a bifacial version. Ground-mounted installations on high-albedo surfaces (quartz gravel, TPO membrane) forgo the potential albedo gain that bifacial modules can contribute — typically 5–20% additional annual energy yield depending on ground reflectance. ## About this series The Emmvee PEARL Monoperc Half Cut Module (mono-facial, 132 half-cut cells) is designed for reliable performance even in challenging conditions. The use of PERC mono cells in a half-cut configuration minimizes losses and better addresses common issues associated with rooftops and PV farms, such as partial shading, uneven dirt accumulation, and high temperatures. A key feature is the **multi-busbar design**, which improves current collection and enhances resistance to micro-cracks during daily operation. Furthermore, it offers **high PID resistance**, which is important for installations exposed to moisture and prolonged voltage stress. The PEARL series also emphasizes **proven components and enhanced mechanical durability**, making it suitable for buildings with demanding requirements. This makes it a good choice for prosumers, companies, and installers who want **lower LCOE and faster return on investment** without compromising reliability. ## Notable figures - At 20.6% efficiency, this panel is on par with typical \*\*PERC 450-500W\*\* modules - Power density of 206.0 W/m² matches the \*\*PERC 450-500W\*\* median - At -0.35%/°C, hot weather performance is typical for \*\*PERC 450-500W\*\* panels - In the top 79% for efficiency among all PERC panels ## Questions ### Are Emmvee PEARL Monoperc Half Cut panels suitable for roofs with chimneys or dormers? Yes, the PEARL Monoperc Half Cut series is particularly well-suited for roofs with shading obstacles. The 132 half-cut cell layout splits each cell in two, so shading on one portion of the panel does not interrupt power generation in the remaining portion. As a result, installations on roofs with chimneys, dormers, or neighboring buildings produce significantly fewer energy losses compared to panels using full-size cells. ### What warranty is provided with Emmvee PEARL Monoperc Half Cut panels? The manufacturer offers a 12-year product warranty covering material and workmanship defects, along with a 25-year linear power output warranty. This means the panel is guaranteed to deliver power above the manufacturer's specified threshold for a full quarter century. Before signing a contract, it is advisable to confirm that the authorized installer provides Emmvee warranty documentation in Polish or English. ### What is PERC half-cut technology and what does it contribute to day-to-day system performance? PERC cells feature an additional passivation layer on the rear surface that reflects unutilized photons back into the cell, increasing conversion efficiency. Cutting the cell in half reduces internal resistance and cell operating temperature, resulting in lower power losses at elevated temperatures and improved resistance to microcracks during daily operation. For the end user, this translates into more stable energy yield throughout the year. ### Does the 500 Wp Emmvee PEARL Monoperc panel perform well on hot days? Thanks to PERC half-cut technology, the PEARL series has a lower temperature coefficient than older polycrystalline panels, meaning a smaller power drop when cell temperature exceeds 25°C. An additional advantage is the multi-busbar interconnection design, which reduces cell heating under high irradiance conditions. In the Polish climate, this difference is especially noticeable in July and August, when rooftops can become intensely hot. ### Is Emmvee a reliable photovoltaic panel manufacturer? Emmvee is an Indian company headquartered in Bengaluru, active in the photovoltaics market since 1992. The company has over 6 GW of installed module capacity and is the only Indian manufacturer to have passed all seven tests in the Kiwa PVEL Reliability Scorecard 2024 ranking. While Emmvee does not appear on the Bloomberg NEF Tier 1 list, its results in independent reliability testing and 30 years of manufacturing experience speak strongly in its favor. ### Is the Emmvee PEARL Monoperc series a bifacial panel? No, the PEARL Monoperc Half Cut series is a monofacial panel that collects light exclusively from the front side. For typical rooftop installations this is a fully adequate solution, as the rear of the module is covered by the mounting structure. Bifacial panels make sense primarily for ground-mounted PV farms or flat roofs with light-colored surfaces, where the rear side of the module can benefit from reflected irradiance. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/8-95b727a7e4bd.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, +4.4 pp, +5 yr warranty | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, +4.2 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, +4.1 pp, +5 yr warranty | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, +3.9 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, +3.9 pp, +5 yr warranty | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | Cooler, +3.9 pp, +5 yr warranty | | [Emmvee E485HCM132-B](https://comparepv.com/panel/emmvee-e485hcm132-b) | 485 W | -0.2 pp | | [Emmvee E495HCM132-B](https://comparepv.com/panel/emmvee-e495hcm132-b) | 495 W | +0.2 pp | | [Gamko New Energy GKA120N-PRO-590W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-590w) | 590 W | +100 W, +3.2 pp, +5 yr warranty | | [Gamko New Energy GKA120N-PRO-585W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-585w) | 585 W | +95 W, +3.0 pp, +5 yr warranty | | [Bisol BGO 580](https://comparepv.com/panel/bisol-bgo-580) | 580 W | +90 W, cooler, +2.9 pp | | [Gamko New Energy GKA120N-PRO-580W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-580w) | 580 W | +90 W, +2.8 pp, +5 yr warranty | --- Source: https://comparepv.com/panel/emmvee-e490hcmw132 Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.