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Emmvee Brand review

E440HCMW120

440 Wp PERC
ComparePV verdict

Middle of its segment, modest efficiency

Rank 11,575 of 14,005
Compare panels Datasheet PDF
Power (Wp)
440
Strong · top 15%
Efficiency (%)
20.28
Weak · bottom 22%
Density (Wp/m²)
202.8
Weak · bottom 23%
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
24.0
Typical · median 22.0 kg
Warranty (yrs)
25
Typical · median 25 yrs

The Emmvee Pearl solar panel series defines a new standard of durability thanks to the use of advanced glass-glass technology, which replaces the traditional protective film, significantly extending the lifespan of the modules. This solution effectively eliminates the problem of moisture penetration and chemical corrosion, making it an ideal choice for installations exposed to harsh environmental conditions. The use of high-efficiency silicon cells allows for excellent energy yields even in diffused light, which directly addresses the problem of lower performance on cloudy days. The design of the Pearl series is characterized by exceptional mechanical resistance, protecting the silicon wafers from micro-cracks during extreme snowfall or strong wind gusts. Compared to standard competition, these modules stand out with minimal annual power degradation, which guarantees long-term financial stability for the investor. It is a product dedicated to demanding homeowners and business investors for whom high resistance to the PID effect and fire safety resulting from non-flammable components are key. The Pearl series is a combination of engineering precision and an aesthetic finish, ensuring reliable system operation for decades without the need for frequent service interventions.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.28% 20.60% Weak · bottom 22% 11,853
Power density 202.8 206.2 Weak · bottom 23% 11,803
Temperature coefficient -0.350 -0.350 Typical 10,419
Weight per kWp 54.5 53.0 Typical 8,872
Performance warranty 25 yrs 25 yrs Typical 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 5 caution
Best for

Residential, commercial and cold-climate.

Not ideal for

Tight roof space and roofs where every square metre has to count.

Watch-outs
20.28% module efficiency

Bottom 22% of the PERC 400-450 W segment, against a median of 20.60%.

202.8 watts per square metre

Bottom 23% of the PERC 400-450 W segment, against a median of 206.2.

What owners get
Glass-Glass (Dual-Glass) Construction

Replacing the rear PVF/PET backsheet with tempered glass (2 mm) eliminates moisture ingress and EVA encapsulant degradation — a primary failure mode in humid climates. Glass-glass modules are rated for a service life exceeding 30 years, compared to 25–27 years for standard glass-foil designs, directly translating into a higher NPV for the installation.

Up to 21.1% Efficiency — Top of Segment

The peak efficiency of 21.1% matches the S-Energy SE65-72BGJ (21.1%) and trails the Waaree ARKA (21.17%) and Jinko Tiger Pro 72HC-TV (21.13%) by only 0.07 percentage points. The Pearl series therefore ranks among the top peers in the glass-glass PERC segment with no meaningful loss in power density per m².

Wide Power Range — 11 Variants (395–545 Wp)

A 150 Wp spread across 11 variants allows the module to be matched to residential prosumer installations (lower wattages, smaller rooftops) as well as commercial projects (545 Wp) without changing supplier. Most peer-comparable series typically offer only 1–3 variants.

25-Year Linear Power Warranty

A 25-year performance warranty with an annual degradation rate of ~0.40% (per Emmvee datasheet for glass-glass construction) results in retention of approximately 87.4% of nominal power at end of warranty — a level consistent with Jinko Solar and Waaree offerings in this segment, confirming the long-term financial stability of the investment.

Resistance to PID, Salt, and Ammonia

The dual-glass design mitigates the risk of Potential Induced Degradation (PID) by eliminating leakage current paths through the backsheet, while also providing a chemical barrier. Emmvee certifies resistance to salt, acids, and ammonia — relevant for coastal and agricultural installations — as confirmed by independent third-party certification tests.

Trade-offs
No BNEF Tier 1 (Bankable) Status

Emmvee does not appear on the BloombergNEF Tier 1 list (tier_1_bankable: false per manufacturer data). Banks financing commercial projects above 1 MWp frequently require modules from Tier 1 manufacturers as a loan condition. The risk is marginal for residential prosumer installations; however, for business investors it may restrict access to third-party project financing.

Monofacial Only Despite Glass-Glass Construction

The Pearl series (is_bifacial: false) does not leverage the dual-glass enclosure to harvest additional energy from reflected albedo. A direct competitor — the Emmvee Sapphire (545 W, glass-glass) — is bifacial and delivers 10–25% additional energy yield on reflective surfaces. Buyers paying a premium for glass-glass construction do not receive the bifaciality that peer-comparable products at this price point standardly offer.

12-Year Product Warranty

Given the price premium associated with glass-glass construction, a 12-year product warranty sits at the lower boundary of the industry standard (10–12 years). Premium manufacturers such as REC Alpha and SunPower offer 25-year product warranties. Should a mechanical defect occur beyond year 12, the owner bears the full cost of module replacement despite a remaining 13-year power output warranty still being in effect.

Notes from the database
  • Efficiency of 20.3% matches the PERC 400-450W median
  • Power density of 202.8 W/m² is 3.4 W/m² below PERC 400-450W median (206.2 W/m²) - needs more roof space
  • Temperature coefficient of -0.35%/°C matches the PERC 400-450W median
  • At 24.0 kg, this panel is 2.0 kg heavier than the PERC 400-450W median (22.0 kg) - more demanding for installation crews
  • In the top 85% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 440 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.28 % Weak Segment median 20.60%
Vmpp · Impp 34.21 V · 12.87 A Operating point at max power
Voc · Isc 41.44 V · 13.55 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1913×1134×35 mm · 2.17 m² of roof
Weight 24.0 kg Typical Typical · median 22.0 kg
Coefficient Pmax -0.350 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.280 · 0.050 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 84.8 % Equals 361 W guaranteed
Degradation 2.00 → 0.55 % 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
-0.350 %/°C against a segment median of -0.350
-

Alternatives

All Emmvee panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Emmvee E440HCMW120 440 W 20.28% -0.350 24.0 kg You are here
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +50 W, cooler, +4.2 pp
STP-NT11/48QGSF-490 490 W 24.50% -0.260 21.5 kg +50 W, cooler, +4.2 pp
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg Cooler, +4.0 pp, +5 yr warranty
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg Cooler, +4.0 pp, +5 yr warranty
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg Cooler, +4.0 pp, +5 yr warranty
GK-5-54HG-485M 485 W 24.30% -0.260 21.0 kg Cooler, +4.0 pp, +5 yr warranty
ZEUS 3.0+ 108 485WP 485 W 24.30% -0.260 24.2 kg Cooler, +4.0 pp, +5 yr warranty
E445HCM120-B 445 W 20.51% -0.350 24.0 kg +0.2 pp
E450HCM120-B 450 W 20.74% -0.350 24.0 kg +10 W, +0.5 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg +120 W, cooler, +4.5 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg +115 W, cooler, +4.3 pp
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg +110 W, cooler, +4.1 pp
JAT60S40-540/LR 540 W 24.40% -0.260 23.5 kg +100 W, cooler, +4.1 pp
GK-5-60HG-540M 540 W 24.40% -0.260 23.3 kg +100 W, cooler, +4.1 pp
JKM545-54QL6-DV-F1-EU 545 W 24.27% -0.260 27.5 kg +105 W, cooler, +4.0 pp
LR7-60HVH-545M 545 W 24.20% -0.260 25.0 kg +105 W, cooler, +3.9 pp

Found 661 panels of the same or similar size to this one, within ±10 mm. See them here Found 758 panels of the same or similar size to this one, within ±25 mm. See them here Found 1277 panels of the same or similar size to this one, within ±50 mm. See them here Found 1469 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty does the Emmvee Pearl series carry and what does it cover?
The Emmvee Pearl series comes with a 12-year product warranty covering material and workmanship defects, along with a 25-year linear power output warranty. After 25 years, the module is rated to retain at least 84.8% of its original nominal power. The product warranty period is shorter than that offered by Tier 1 manufacturers—who typically provide 15–25 years—so it is advisable to confirm that the installer or distributor offers additional after-sales support in the local market.
What is the glass-glass technology used in the Pearl panels, and is it genuinely worth the premium?
In the Emmvee Pearl modules, the conventional polymer backsheet is replaced with tempered glass, encapsulating the cells on both sides. This dual-glass construction virtually eliminates moisture ingress and electrochemical corrosion—the primary drivers of module degradation in humid climates. For installations exposed to heavy rainfall, fog, or aggressive environments such as agricultural sites or coastal locations, the improvement in long-term durability is significant. The trade-off is increased module weight—approximately 26 kg—which places greater demands on the roof structure.
What is the efficiency of the Emmvee Pearl 545W panel, and is it competitive?
Pearl modules rated at 545 Wp achieve a module efficiency in the range of 20.7–21.3%, with overall dimensions of 2278 × 1134 × 35 mm. This figure is in line with the market average for monocrystalline PERC half-cut modules in this power class. It does not represent the top of today's performance range—TOPCon panels routinely exceed 22–23% efficiency—but it is fully adequate for typical residential prosumer and commercial installations.
How do the Emmvee Pearl panels perform in winter and on overcast days?
The Pearl series uses mono PERC half-cut cells with a power temperature coefficient of –0.35%/°C. This means that on a cold, sunny day (e.g., –10°C) the module operates more efficiently than during summer heat. The half-cut cell design also improves energy yield under partial shading and diffuse irradiance conditions—both common in climates with frequent cloud cover. Since these are not bifacial modules, they do not benefit from additional energy reflected off snow-covered surfaces.
Are the Emmvee Pearl panels rated for snow and wind loads—are they suitable for local rooftop conditions?
The glass-glass construction gives the Pearl series exceptional mechanical rigidity. The modules are certified to IEC-compliant snow and wind load ratings, making them suitable for Central European climatic conditions. A thickness of 35 mm and a weight of 26 kg are typical for this market segment. That said, a structural assessment of the roof load capacity is recommended before installation, particularly for older buildings.
Is Emmvee a reputable manufacturer—can the Pearl panels be trusted as a long-term investment?
Emmvee Photovoltaic Power Ltd. is an Indian manufacturer with over a decade of industry experience, listed in the ENF Solar database and holding IEC certifications. The company does not appear on Bloomberg NEF's Tier 1 module manufacturer lists, which places it among smaller market participants compared to names such as LONGi, JA Solar, or Jinko Solar. For the buyer, this translates to a more competitive price point but also a lower degree of certainty regarding long-term warranty support. Purchasing through an authorized distributor that provides local service and warranty backup is strongly recommended.
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