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VDS Renewable Brand review

VDS-S144/M6H-445

445 Wp Monocrystalline
ComparePV verdict

Middle of its segment, short guarantee

Rank 11,366 of 14,005
Compare panels Datasheet PDF
Power (Wp)
445
Typical for its class
Efficiency (%)
20.50
Weak · bottom 23%
Density (Wp/m²)
204.4
Weak · bottom 21%
Temp (%/°C)
-0.340
Typical · median -0.300
Weight (kg)
23.8
Typical · median 23.5 kg
Warranty (yrs)
25
Weak · bottom 17%

Photovoltaic panels from the VDS-S144/M6H series are based on advanced half-cell architecture, which directly translates into their high efficiency in real operating conditions. The use of Half-Cut Cells technology allows for a significant reduction in internal energy losses, which proves crucial during hot days when traditional modules lose efficiency faster. Thanks to the division into two independent working sections, this series effectively solves the problem of partial shading, guaranteeing stable power production even with unfavorable roof positioning or periodic obstacles. The use of M6 type cells ensures optimal power density, making these modules an ideal choice for investors focusing on maximum yield from limited mounting space. The construction is characterized by reinforced resistance to mechanical loads, which, combined with multi-busbar technology, minimizes the risk of micro-cracks. This is a solution dedicated primarily to extensive commercial installations and solar farms, where long-term reliability and fast cost amortization are priorities. Compared to the competition, VDS-S144/M6H stands out with its excellent compatibility with modern inverters, and the optimized temperature coefficient makes these panels work more efficiently in the variable Polish climate, maintaining high efficiency over decades of use.

Ranking

7,294 panels in the 345-545 W band, all technologies
Metric This panel Median Position in segment Overall rank
Module efficiency 20.50% 21.50% Weak · bottom 23% 11,308
Power density 204.4 215.1 Weak · bottom 21% 11,529
Temperature coefficient -0.340 -0.300 Typical 8,778
Weight per kWp 53.5 52.7 Typical 7,443
Performance warranty 25 yrs 30 yrs Weak · bottom 17% 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 3 caution
Best for

Commercial and shaded-installations.

Not ideal for

Owners who want a long output guarantee, roofs where every square metre has to count and tight roof space.

Watch-outs
25 year performance warranty

Bottom 17% of the 345-545 W band, against a median of 30 yrs.

204.4 watts per square metre

Bottom 21% of the 345-545 W band, against a median of 215.1.

20.50% module efficiency

Bottom 23% of the 345-545 W band, against a median of 21.50%.

Notes from the database
  • Efficiency of 20.5% is 1.3pp below the database median (21.8%)
  • 204.4 W/m² power density is 13.7 W/m² below database median (218.1 W/m²) - requires larger installation area
  • -0.34%/°C temperature coefficient - 0.04pp worse than database median (-0.30%/°C), expect higher hot weather losses
  • 23.8 kg weight - 2.7 kg lighter than database median (26.5 kg), reducing installation effort
  • #11308 for efficiency, #8778 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 445 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.50 % Weak Segment median 21.50%
Vmpp · Impp 41.20 V · 10.81 A Operating point at max power
Voc · Isc 49.00 V · 11.54 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2095×1039×35 mm · 2.18 m² of roof
Weight 23.8 kg Typical Typical · median 23.5 kg
Cells 144 Monocrystalline
Coefficient Pmax -0.340 %/°C Typical median -0.300 of its segment
Coefficient Voc · Isc -0.250 · 0.040 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Weak bottom 17% · median 30 yrs
End-of-warranty output 84.3 % Equals 363 W guaranteed
Degradation 2.50 → 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
-0.340 %/°C against a segment median of -0.300
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
VDS Renewable VDS-S144/M6H-445 445 W 20.50% -0.340 23.8 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +50 W, cooler, +4.3 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, +4.0 pp, +5 yr warranty
STP-NT11/48QGSF-490 490 W 24.50% -0.260 21.5 kg Cooler, +4.0 pp, +5 yr warranty
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg Cooler, +3.8 pp, +5 yr warranty
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg Cooler, +3.8 pp, +5 yr warranty
LR7-54HJD-495M 495 W 24.30% -0.240 23.5 kg +50 W, cooler, +3.8 pp
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg Cooler, +3.8 pp, +5 yr warranty
VDS-S144/M6H-BG-430W 430 W 19.70% -0.340 28.5 kg -15 W, heavier, -0.8 pp
VDS-S144/M6H-BG-435W 435 W 20.00% -0.340 28.5 kg -10 W, heavier, -0.5 pp
VDS-S144/M6H-BG-440W 440 W 20.20% -0.340 28.5 kg Heavier, -0.3 pp
GKA120N-PRO-590W 590 W 23.82% -0.300 26.7 kg +145 W, +3.3 pp, +5 yr warranty
GKA120N-PRO-585W 585 W 23.62% -0.300 26.7 kg +140 W, +3.1 pp, +5 yr warranty
BGO 580 580 W 23.50% -0.290 26.0 kg +135 W, cooler, +3.0 pp
GKA120N-PRO-580W 580 W 23.42% -0.300 26.7 kg +135 W, +2.9 pp, +5 yr warranty

Found 234 panels of the same or similar size to this one, within ±10 mm. See them here Found 325 panels of the same or similar size to this one, within ±25 mm. See them here Found 352 panels of the same or similar size to this one, within ±50 mm. See them here Found 1068 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Is the VDS-S144/M6H series still available for purchase?
No, production of the VDS-S144/M6H series has been discontinued and the panels are no longer part of the manufacturer's current lineup. Availability is limited to remaining distributor stock. If you plan to expand an existing installation with additional identical modules, check stock levels as soon as possible, since sourcing the exact same model later may not be possible.
What warranty comes with the VDS-S144/M6H panels?
VDS Renewable backs this series with a 12-year product warranty and a 25-year linear power output warranty. This covers material and workmanship defects for 12 years and guarantees a minimum power output level over a quarter century of operation, which is standard for commercial installations and utility-scale PV farms.
How do the half-cut cells in the VDS-S144/M6H differ from standard full-size cells?
Half-Cut Cell technology splits each cell in half and wires both halves into independent circuits within the panel. This reduces resistive losses, improves tolerance to partial shading, and slows the performance drop typically seen in full-cell modules during hot weather. The result is higher real-world energy yield under demanding operating conditions.
Are the VDS-S144/M6H panels suitable for large commercial installations and solar farms?
Yes, this series was primarily designed for large-scale commercial installations and solar farms. A maximum power of 460 Wp combined with M6 cells delivers strong power density per mounting area, while the reinforced mechanical structure and multi-busbar technology reduce the risk of microcracks at scale over long-term operation.
What is the power rating of the VDS-S144/M6H panels, and how many are needed for a 10 kWp system?
Panels in this series reach a maximum power of 460 Wp. Building a 10 kWp system therefore requires roughly 22 modules (10,000 W / 460 W ≈ 21.7, rounded up). The exact count depends on available mounting space and inverter selection, including its input voltage range.
Are the VDS-S144/M6H panels bifacial, generating power from both sides?
No, the VDS-S144/M6H series is monofacial, generating energy only from the front, light-facing surface. If you need extra yield from reflected light, such as on light-colored surfaces or ground-mounted systems, consider a bifacial model from another series by this manufacturer.
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