Prostar PMS335M-120 half-cut cell solar module monocrystalline 335W

Half cell Solar Panel 335w | 5BB PERC | Monocrystalline | Dimension: 1708x1000x35mm

SKU: PMS335M-120 Category:

Prostar PMS335M-120 half-cut cell solar module monocrystalline 335W has solar cells that are cut in half, which improves the solar module’s performance and durability. Traditional 60-cell and 72-cell solar panels will have 120 half-cut cells and 144 half-cut cells, respectively. When solar cells are halved, their current is also halved, so resistive losses are lowered and the solar cells can produce more power.

Prostar PMS335M-120 half-cut cell solar module monocrystalline 335W has higher output, efficiency and ROI due to reduced “Cell To Module” loss, 6% less internal power loss due to shorter ribbon length and 50% higher yield due to better shading response. Half cell modules also have twice less mismatch loss due to double internal strings of cells in compare with conventional monocristalline panels.

Half Cell Solar Module Features

-1- 5 busbar cell design improves module efficiency and offers better aesthetic appearance for rooftop installations

-2- IP68 junction box for long-term weather endurance

-3- Limited power degradation of Eagle module caused by PID effect is guaranteed under strict testing condition (85℃/85%RH,96hours)for mass production

-4- Higher module conversion efficiency thanks to half-cut cell design

-5- LOW hot spot temperature risk

-6- Advanced glass and cell surface textured design ensure excellent performance in low-light environment

-7- Less shade impact

-8- High salt mist and ammonia resistance certified by TÜV NORD

Why cut solar cell in half?

Solar cells are cut in half to reduce the cell-to-module losses during assembly. Power loss is generally proportional to the square of the current times resistance.

Half-cut Cell Electrical Losses

Splitting the cell into two halves the current (not the voltage) of the cell, so when you apply this change to the equation the losses are reduced by 75%. The overall panel efficiency increased by 1,5-3% and this results in a reduction in panel heat production.

Half-cut Cell Solar Panel Details

Split Junction Box

Standard solar panels have one junction box that cables come out of located on the back of the panel near the top. Panels with half cut solar cells can have junction boxes that are split into three, as you can see in this picture of  half cut panel. The middle box is for the middle bypass diode.

split junction box
split junction box

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    ModelPMS335M-120
    Electrical Data
    Maximum Power (Pmax)325Wp
     Maximum Power Voltage (Vmp)34.4V
    Maximum Power Current (Imp)9.74A
    Open Circuit Voltage (Voc)41.0V
    Short Circuit Current (Isc)10.29A
    Power Tolerance(Positive)5%
    Module Efficiency STC19.61%
    Maximum System Voltage1000VDC (IEC), 600VDC(UL)
    Series Fuse Rating15A
    Temperature Coefficient of Pmax-0.36%/°C
    Temperature Coefficient of Voc-0.28%/°C
    Temperature Coefficient of Isc0.04%/°C
    Application ClassClass A
    Qualification Test Parameters
    Dielectric Insulation Voltage6000VDC max
    Operating Temperature Range-40°C to +85°C
    Max. Snow Load5400Pa
    Max. Wind Load2400Pa
    Hailstone Impact25mm(1inch) at 23m/s(52mph)
    Fire RatingClass C
    Nominal Operating Cell Temperature(NOCT)45±2°C
    Mechanical Characteristics
    Cell TypeMonocrystalline 158.75×79.36mm / 5BB PERC
    Cell Number120 (6×20)
    Dimensions (mm)1708x1000x35
    Weight(Kgs)18.80(approx)
    No. of Draining Holes in Frame16
    Front Glass3.2 mm, High Transmission, Low Iron,Tempered Glass
    Frame TypeClear Anodized Aluminium Alloy Type 6063T5
    Junction Box Protection ClassIP 68 Rated
    Connector TypeCompatible type MC4
    Output CablesTUV 1×4 mm² / UL 12AWG, Length:300±5 mm
    Packing Configuration
    Packing Type31Pcs/CTN, 2Pcs/CTN
    Container Loading858Pcs/40HQ, 330Pcs/20GP
    Standard Test Conditions (STC): Irradiance 1000W/m2, AM 1.5, Cell temperature 25°C

    Nominal Operating Cell Temperature (NOCT): Irradiance  800W/m2, AM 1.5, Wind Speed 1m/s, Ambient temperature 20°C