HomeSolar PanelSunpalHigh Efficiency 290W 300W 310W Small PV Module Wholesale

    High Efficiency 290W 300W 310W Small PV Module Wholesale

    • 290W–310W Small PV Module for Solar Use – Wholesaler
    • High Efficiency Small Solar Panel for Power Systems – Supplier
    • 290W/300W/310W PV Module for Energy Projects – Manufacturer
    • Small Size Solar Panel for Commercial Use – Manufacturer
    • 290W–310W Small PV Module for Solar Use – Wholesaler
    • High Efficiency Small Solar Panel for Power Systems – Supplier
    • 290W/300W/310W PV Module for Energy Projects – Manufacturer
    • Small Size Solar Panel for Commercial Use – Manufacturer

    High Efficiency 290W 300W 310W Small PV Module Wholesale

      Module efficiency up to 21.35%
      Weight 15.44 kg
      Size 1650×880×35 mm
      Cable: 4 mm², 90 cm + MC4
      Operating temperature -40°C to +85°C
      25-year linear power warranty

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    TEMPERATURE&MAXIMUM RATING

    Maximum System Voltage(V)    		1000 
    Maximum Series Fuse Rating(A)15 
    Power Tolerance0~+3%
    Pmax Temperature Coefficients(W/°C)-0.350%
    Voc Temperature Coefficients(V/°C)-0.270%
    Isc Temperature Coefficients(A/°C)+0.048%
    NOCT Nominal Operating Cell Temperature(℃)45±2
    Operating and Storage Temperature(℃)-40～+85
    ELECTRICAL DATA(STC)
    Model TypeSP290M-60SP300M-60SP310M-60
    Peak Power(Pmax) 290W300W310W
    Maximum Power Voltage(Vmp) 33.4 33.93 34.51 
    Maximum Power Current(Imp) 8.69 8.85 8.72 
    Open Circuit Voltage(Voc) 39.58 39.87 41.61 
    Short Circuit Current(Isc) 9.2 9.36 9.19 
    Module Efficiency(%) 19.97 20.66 21.35 
    * STC: irradiance 1000 W/m2, AM 1.5G, and cell temperature of 25°C

    Q :

    1. How does this panel perform under cloudy or low-light conditions?

    A :

    Thanks to its enhanced cell design, it maintains efficient power output even on overcast days.

    Q :

    2. Is it compatible with hybrid or off-grid solar systems?

    A :

    Yes, it works well with both on-grid and off-grid setups, including hybrid energy storage systems.

    Q :

    3. What kind of inverter do I need for this panel?

    A :

    Most MPPT-based grid-tied or off-grid inverters that support 300W+ modules are compatible.

    Q :

    4. Does the panel require maintenance?

    A :

    Minimal maintenance is needed—just periodic cleaning to remove dust or debris for peak performance.

    Q :

    5. Can I install it myself?

    A :

    While technically possible for experienced users, professional installation is recommended to ensure safety and warranty compliance.

    Q :

    6. How is it shipped and packaged?

    A :

    Securely packed with reinforced edges; up to 952 pcs per 40HQ container for cost-efficient transport.

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