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Voltacon Half Cell Solar Panel | 355Watt | Monocrystalline | 120 Cells

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Half pallet of 15 solar panels, 355Watt each. Total peak power 5325Watt, suitable for off-grid and hybrid grid projects with energy storage. 

£1,080.00 Incl VAT.
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Palletised Solar Panels ET-Solar Elite PERC 355Watt. 120 Cells.

We packed on a pallet 8, 12, 15, 20, 24 or 30 solar panels. If you purchase 15 solar panels with total peak power 5,325Watt with positive power tolerance up to 3% the actual energy production will reach 5,485 Watt.

  • 8 solar panels : 2840 Watt
  • 12 solar panels : 4,260 Watt
  • 15 solar panels: 5,325 Watt
  • 20 solar panels: 7,100 Watt
  • 24 solar panels: 8,520 Watt
  • 31 solar panels: 10,650Watt


Half-cell panels are modules that have halved solar cells, a design that improves performance and durability. This means 60 and 72-cell panels will now have 120 and 144 half-cut cells. These cells are able to produce more power, as their current is also halved, and therefore losses incurred in resistance are reduced.

Smaller cells experience reduced mechanical stresses, so they have a decreased opportunity for cracking. Half-cell modules have higher output ratings and are more reliable than traditional panels. At Voltacon, we have begun investing in this revolutionary half-cell design, with the release of our Elios (Greek word for Sun) series of half-cell modules.

These monocrystalline half-cells will give higher efficiency and output — up to 366 watts in a traditional 60-cell footprint Our Tier One solar panel give you the flexibility to take back control of your energy needs. 

What are the benefits of Half-Cell Panels from ET-Solar 

High Module Efficiency:

Brings 5-10W power gain due to half cut production system with reduced losses.

Proven to Produce More Energy Yield:

Lower NMOT and better temperature coefficient by lower cell series resistance helps boost energy yield

Lower Operating Temperature, More Reliable:


Lower operating temperature and hot spot temperature during the sunny day, making the module prevail during the sunny days

Better Shading Tolerance:

Thanks to Paralleling circuit design, more power generated under shading condition and during morning & evening time

Better Micro Crack Resistance:

Minimize the impact by micro crack by limiting cell damage and potentially extending area by half-cut module architecture


25-years Linear Performance Warranty

10-years Product Material & Workmanship


Electrical Characteristics 355W  Half Cell Photovoltaic Module

Maximum Power (W)  M660BH355WW ET-M660BH330WW ET-M660BH325WW ET-M660BH325WW
Power Tolerance (%)  0 -5Watt 0~+3 0~+3 0~+3
Maximum Power Voltage (V) 35.50 32.00 32.23 32.67
Maximum Power Current (A) 10.60 9.22 9.31 9.49
Open Circuit Voltage (V) 40.70 39.43 39.65 40.08
Short Circuit Current (A) 11.10 9.16 9.22 9.28
Module Effciency (%) 20.17% 18.06 18.37 18.97
Maximum System Voltage (V) 1000 1000 1000 1000
Maximum Reverse Current (A) 20 20 20 20
Temperature                    Pmax %/°C -(0.38±0.05)
 Coefficient                           ISC %/°C 0.05±0.015
                                             VOC  %/°C -(0.31±0.1)
 Standard Test Condition: Irradiance 1000W/m², module temperature 25°C, AM1.5


Mechanical Characteristics

Number of Cells  pcs 60
Size of Cell mm 158x79
Size of Module mm 1684x1002x35
Weight kg 19.5
Connector MC4 compatible PV1-F 

Absolute Maximum Ratings

Temperature Range (°C)  -40oC ~ +85oC
Surface Maximum Load Capacity (Pa)  5400
Allowable Hail Load 25mm ice-ball with velocity of 23m/s


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