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Emmvee Brand review

E520HCM132-BT

520 Wp PERC
ComparePV verdict

Efficiency leader, short guarantee

Rank 8,394 of 14,005
Compare panels Datasheet PDF
Power (Wp)
520
Weak · bottom 18%
Efficiency (%)
21.87
Strong · top 1%
Density (Wp/m²)
218.7
Strong · top 1%
Temp (%/°C)
-0.290
Strong · top 1%
Weight (kg)
25.0
Strong · 3.4 kg below median
Warranty (yrs)
25
Weak · bottom 23%

The Titanium Black series from Emmvee is designed for investors who expect aesthetics to match performance. The panels use N-type TOPCon cells, delivering high energy conversion efficiency while limiting degradation over time and improving resistance to high rooftop operating temperatures. The distinctive, uniformly black frame and backsheet allow the module to blend seamlessly with modern building architecture, making it a particularly attractive choice for residential rooftop installations where aesthetics matter as much as electrical parameters. The use of half-cut technology reduces power losses caused by partial shading and lowers the module's internal resistance, resulting in more stable energy yield under variable irradiance conditions. Robust construction and high mechanical resistance allow installation in regions with heavy snow and wind loads. By combining efficiency, durability, and premium aesthetics, the Titanium Black series offers a competitive alternative to conventional solar panels, meeting the needs of investors seeking a premium solution without compromising on reliability and long-term system performance.

Ranking

706 panels in the segment PERC 500-550 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.87% 20.90% Strong · top 1% 6,908
Power density 218.7 209.0 Strong · top 1% 6,919
Temperature coefficient -0.290 -0.350 Strong · top 1% 2,165
Weight per kWp 48.1 53.0 Strong · top 5% 2,044
Performance warranty 25 yrs 30 yrs Weak · bottom 23% 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

8 positive · 4 caution
Best for

Residential, BIPV and shaded-installations.

Not ideal for

Owners who want a long output guarantee.

Strengths
21.87% module efficiency

Top 1% of the PERC 500-550 W segment, against a median of 20.90%. Ranked 6,908th in the whole database.

218.7 watts per square metre

Top 1% of the PERC 500-550 W segment, against a median of 209.0. Ranked 6,919th in the whole database.

-0.290 %/°C temperature coefficient

Top 1% of the PERC 500-550 W segment, against a median of -0.350. Ranked 2,165th in the whole database.

Watch-outs
25 year performance warranty

Bottom 23% of the PERC 500-550 W segment, against a median of 30 yrs.

What owners get
Segment-leading efficiency

Peak efficiency of 22.45% matches the best peer comparables (EGing STAR Pro 22.45%, ZNShine ZXM7-UHLD144 22.44%, Silfab Commercial NTC 22.4%), showing the series is technologically on par with market leaders despite not being a traditional tier-1 brand.

N-type TOPCon cell technology

TOPCon cells deliver lower LID/LeTID degradation and better high-temperature performance than older PERC cells, translating into more stable energy yield under strong irradiance and hot roof conditions.

Validated reliability via Kiwa PVEL

Emmvee is the only Indian manufacturer to pass all seven categories of the Kiwa PVEL 2024 Reliability Scorecard, providing independent confirmation of module durability and low production defect risk.

Aesthetic all-black design

The uniform full-black frame and backsheet blend well with residential building architecture, making this series attractive for customers who value visual integration alongside electrical performance.

30+ years of manufacturer experience

Emmvee has operated in the renewable energy sector since 1992 and has built roughly 7.8 GW of module and 2.94 GW of cell capacity (as of May 2025), indicating manufacturing maturity despite lacking tier-1 bankable status.

Trade-offs
No tier-1 bankable status

The manufacturer does not hold tier-1 bankable status, which may complicate project financing with banks and funds that favor the BNEF Tier 1 list, unlike some peer comparables such as Silfab.

12-year product warranty

The product warranty is limited to 12 years, shorter than the growing market standard of 15-25 years offered by leading premium manufacturers alongside the same 25-year power warranty.

Monofacial module design

The Titanium Black series is not bifacial, missing out on the additional rear-side energy yield available with newer-generation bifacial TOPCon modules from some competitors.

Notes from the database
  • Efficiency of 21.9% is 1.0pp above the PERC 500-550W median (20.9%)
  • At 218.7 W/m² power density, this panel generates 9.7 W/m² more per unit area than PERC 500-550W median (209.0 W/m²)
  • Temperature coefficient of -0.29%/°C vs median -0.35%/°C means ~2% less power loss at 65°C
  • Weight of 25.0 kg (3.4 kg below PERC 500-550W median of 28.4 kg) allows easier transport and roof mounting
  • In the top 49% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 520 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.87 % Strong Segment median 20.90%
Vmpp · Impp 39.65 V · 13.12 A Operating point at max power
Voc · Isc 47.19 V · 13.84 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2097×1134×35 mm · 2.38 m² of roof
Weight 25.0 kg Strong Strong · 3.4 kg below median
Coefficient Pmax -0.290 %/°C Strong top 1% of its segment
Coefficient Voc · Isc -0.250 · 0.045 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Weak bottom 23% · median 30 yrs
End-of-warranty output 89.4 % Equals 454 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.290 %/°C against a segment median of -0.350
-

Alternatives

All Emmvee panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Emmvee E520HCM132-BT 520 W 21.87% -0.290 25.0 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, +3.1 pp, +5 yr warranty
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Lighter, +2.9 pp, +5 yr warranty
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg +40 W, +2.9 pp, +5 yr warranty
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, +2.8 pp, +5 yr warranty
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg +35 W, +2.7 pp, +5 yr warranty
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Lighter, +2.6 pp, +5 yr warranty
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg Cooler, +2.6 pp, +5 yr warranty
E485HCM132-B 485 W 20.40% -0.350 25.0 kg -35 W, hotter, -1.5 pp
E490HCM132-B 490 W 20.61% -0.350 25.0 kg -30 W, hotter, -1.3 pp
E495HCM132-B 495 W 20.82% -0.350 25.0 kg -25 W, hotter, -1.1 pp
GKA120N-PRO-590W 590 W 23.82% -0.300 26.7 kg +70 W, +1.9 pp, +5 yr warranty
GKA120N-PRO-585W 585 W 23.62% -0.300 26.7 kg +65 W, +1.8 pp, +5 yr warranty
BGO 580 580 W 23.50% -0.290 26.0 kg +60 W, +1.6 pp, +5 yr warranty
GKA120N-PRO-580W 580 W 23.42% -0.300 26.7 kg +60 W, +1.6 pp, +5 yr warranty

Found 397 panels of the same or similar size to this one, within ±10 mm. See them here Found 408 panels of the same or similar size to this one, within ±25 mm. See them here Found 425 panels of the same or similar size to this one, within ±50 mm. See them here Found 884 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What is N-type TOPCon cell technology used in Emmvee Titanium Black panels, and does it improve efficiency?
TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell technology that reduces carrier recombination through an additional passivation layer. This results in higher energy conversion efficiency compared to conventional P-type PERC cells, lower annual degradation, and better performance under high roof temperatures. As a result, the module, rated up to 580 Wp, delivers stable energy yield throughout its service life.
What warranty comes with Emmvee Titanium Black panels?
The Titanium Black series comes with a 12-year product warranty covering material and workmanship defects, along with a 25-year power output warranty guaranteeing sustained module performance over the long term. This is a market-standard coverage for TOPCon-based panels and supports treating the investment as a long-term asset.
Are Titanium Black panels suitable for residential roofs in terms of appearance?
Yes, this is one of the series' main advantages. The all-black frame and black backsheet eliminate the visible silver elements typical of conventional panels, allowing the module to blend into modern building architecture. This makes it a popular choice for sloped residential roofs, where the visual appearance of the installation matters as much as electrical performance.
What benefit does half-cut cell technology provide in Emmvee Titanium Black panels under partial shading?
Splitting cells in half reduces power losses when part of the module is shaded, for example by a chimney, antenna, or neighboring building. Smaller cells generate lower current losses and reduce the module's internal resistance, resulting in more stable energy yield under variable sunlight conditions and a lower risk of hot spots forming.
Can Titanium Black panels withstand heavy snow load and strong wind?
Yes, the module is engineered for high mechanical strength, allowing installation in regions with significant snow loads and strong winds. The robust frame and reinforced module structure minimize the risk of cell microcracks under heavy external loads, which is important for installations on steeply pitched roofs or at higher elevations.
How do Emmvee Titanium Black panels differ from bifacial modules?
The Titanium Black series is a mono-facial panel, generating energy only from the front side, unlike bifacial modules that also capture reflected light on the rear side from the surrounding surface. In exchange, the Titanium Black module features a full, uniformly black backsheet that improves installation aesthetics, though it forgoes the additional energy gain typical of bifacial installations over reflective ground surfaces.
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