--- title: "Emmvee E635HCBG132-T12R 635W Solar Panel - Specs & Review | ComparePV" description: "Emmvee E635HCBG132-T12R 635W solar panel. Specs: 23.51% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/emmvee-e635hcbg132-t12r" updated: 2026-09-11 --- # Emmvee E635HCBG132-T12R Efficiency leader, no clear weak spot 1,086 panels in the segment TOPCon 600-650 W ## Identity - **Manufacturer:** Emmvee - **Model:** E635HCBG132-T12R - **Series:** Titanium Duo - **Rated power:** 635 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 600-650 W (1086 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 635 W | 620 W | Strong - top 16% | | | Module efficiency | 23.51% | 22.80% | Strong - top 8% | 696 | | Power density | 235.1 | 227.7 | Strong - top 9% | 741 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 34.0 kg | 32.7 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 23.51% | 22.80% | Strong - top 8% | 696 | | Power density | 235.1 | 227.7 | Strong - top 9% | 741 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 53.5 | 53.1 | Typical | 7,535 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **23.51% module efficiency** - Top 8% of the TOPCon 600-650 W segment, against a median of 22.80%. Ranked 696th in the whole database. - **235.1 watts per square metre** - Top 9% of the TOPCon 600-650 W segment, against a median of 227.7. Ranked 741st in the whole database. - **Best for:** Commercial, utility-scale and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 635 W - **Efficiency:** 23.51 % - **Voltage at Pmax (Vmp):** 41.18 V - **Current at Pmax (Imp):** 15.42 A - **Open-circuit voltage (Voc):** 49.56 V - **Short-circuit current (Isc):** 16.26 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.290 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.045 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 132 - **Bifacial:** yes - **Bifacial gain:** 25.00 ### Physical - **Length:** 2382 mm - **Width:** 1134 mm - **Thickness:** 35 mm - **Weight:** 34.0 kg - **Area:** 2.70 m2 - **Power density:** 235.1 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 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:** 555 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 696 of 14005 | | Power density | 741 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 7535 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Efficiency up to 23.51% – segment-leading** - The top efficiency (23.51%) matches Jinko Solar's Tiger Neo 66HL4M-(V) 635W, one of the leading TOPCon modules on the market, and clearly outperforms RedSolar M10R-MBB and Renesola RS7 (22.72%). - **Glass-to-glass bifacial construction** - Dual glass (2 mm front + 2 mm back) and bifaciality of roughly 80% (±5%) deliver additional energy yield from reflected irradiance and better resistance to moisture and PID degradation than backsheet modules. - **30-year linear power warranty to 87.4%** - The manufacturer guarantees a minimum of 87.4% of nameplate power after 30 years — in line with the standard set by leading TOPCon manufacturers (e.g., Jinko Tiger Neo), supporting predictable lifecycle energy yield. - **N-type TOPCon half-cut cells** - The half-cut N-type cell layout reduces current losses under partial shading and offers lower LID degradation and better high-temperature performance than older PERC technology. - **Broad power range: 560–635 Wp across 22 variants** - 22 variants within the series allow precise matching to project requirements — from rooftop installations to ground-mount farms — without switching product families. ## Cons - **Manufacturer not on BNEF Tier 1 list** - Emmvee (India, founded 1992) does not appear on the BNEF Tier 1 bankable manufacturers list, unlike Jinko Solar in the comparable peer set. This can complicate bank financing for large commercial projects despite comparable technical specs. ## About this series The Titanium Duo series is engineered for installations where maximizing energy yield goes hand in hand with resilience against demanding operating conditions. The modules use **N-type TOPCon half-cut cells**, which reduce current losses, improve performance under partial shading, and deliver more stable output at high temperatures compared to conventional PERC modules. A defining feature of the series is its **glass-to-glass bifacial construction**, allowing the module to capture additional energy from light reflected off the ground - a real advantage on light-colored roofs and in ground-mounted installations. Robust build quality and **high mechanical resistance to snow and wind loads** make the Titanium Duo well suited for both commercial rooftops and demanding utility-scale solar farm projects, where durability directly affects lifetime energy cost (LCOE). The series also stands out for its **low annual power degradation**, ensuring stable energy output even after many years in service. It's a solid choice for installers and investors seeking the right balance between performance, durability, and predictable return on investment. ## Notable figures - 23.5% module efficiency - 0.7pp better than the \*\*TOPCon 600-650W\*\* median of 22.8% - At 235.1 W/m² power density, this panel generates 7.4 W/m² more per unit area than \*\*TOPCon 600-650W\*\* median (227.7 W/m²) - At -0.29%/°C, hot weather performance is typical for \*\*TOPCon 600-650W\*\* panels - Weight of 34.0 kg is 1.3 kg above \*\*TOPCon 600-650W\*\* median (32.7 kg) - verify structural support - Bifaciality factor of 80% can add 4-12% extra yield with reflective mounting surface ## Questions ### What is the maximum power output of Emmvee Titanium Duo panels? The Titanium Duo series reaches a maximum power output of up to 635 Wp. This high unit power results from the use of N-type TOPCon half-cut cells, which reduce current losses and deliver more energy per module than conventional PERC panels of similar dimensions. ### How does TOPCon technology differ from PERC in the Titanium Duo panels? The N-type TOPCon cells used in Titanium Duo have lower current losses, perform better under partial shading, and show a smaller efficiency drop at high temperatures compared to P-type PERC cells. This results in higher energy yield on hot days and slower degradation over the module's lifetime. ### What does bifacial technology offer in Titanium Duo modules, and is it worth the extra cost? The glass-to-glass bifacial construction allows the panel to capture additional energy from light reflected off the ground, such as a light-colored roof, gravel, or snow. In ground-mounted systems and on reflective roof surfaces, this can boost energy production by several to over ten percent compared to a monofacial panel. ### What warranty comes with Emmvee Titanium Duo panels? The manufacturer provides a 12-year product warranty and a 30-year linear power output warranty. This means the panel maintains a guaranteed efficiency level according to its degradation curve for three decades, which is an important factor when calculating the return on investment over the system's lifecycle. ### Are Titanium Duo panels suitable for commercial installations and solar farms? Yes, the series is built with a robust construction and high mechanical resistance to snow and wind loads, making it suitable for both large commercial installations and utility-scale solar farms. Its low annual power degradation further reduces the levelized cost of energy (LCOE) over the system's lifetime. ### Who manufactures Emmvee panels, and is it a reliable brand? Emmvee is a photovoltaic module manufacturer headquartered in India, with years of market presence, though it does not yet hold Tier 1 status under the BloombergNEF classification. The Titanium Duo series uses proven TOPCon and bifacial technology, making it a competitive option for investors seeking a balance between price and performance. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/G12_R_1-109acd696db9.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | Cooler, lighter, +1.7 pp | | [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | +45 W, lighter, +1.7 pp | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | +40 W, lighter, +1.5 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | Cooler, lighter, +1.5 pp | | [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | +35 W, lighter, +1.3 pp | | [Longi Solar LR7-72HVHF-670M](https://comparepv.com/panel/longi-lr7-72hvhf-670m) | 670 W | +35 W, lighter, +1.3 pp | | [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | Cooler, lighter, +1.3 pp | | [Emmvee E610HCBG132-T](https://comparepv.com/panel/emmvee-e610hcbg132-t) | 610 W | -25 W, -0.9 pp | | [Emmvee E615HCBG132-T](https://comparepv.com/panel/emmvee-e615hcbg132-t) | 615 W | -20 W, -0.7 pp | | [Emmvee E620HCBG132-T](https://comparepv.com/panel/emmvee-e620hcbg132-t) | 620 W | -15 W, -0.6 pp | | [Emmvee E625HCBG132-T](https://comparepv.com/panel/emmvee-e625hcbg132-t) | 625 W | -10 W, -0.4 pp | | [Emmvee E630HCBG132-T](https://comparepv.com/panel/emmvee-e630hcbg132-t) | 630 W | Very close match | | [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 W | +65 W, cooler, +1.5 pp | | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | +60 W, cooler, +1.4 pp | | [Jinko Solar JKM650-670N-66QL6-BDV (670W class)](https://comparepv.com/panel/jinko-solar-jkm650-670n-66ql6-bdv-670w-class) | 670 W | +35 W, cooler, +1.3 pp | --- Source: https://comparepv.com/panel/emmvee-e635hcbg132-t12r 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.