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    250W-280W Mono-crystalline Solar Panel

    · Two decades of experience in manufacturing, the complete PV chain of silicon materials, ingot, wafer, solar glass, solar cell and module, and ISO90001 & ISO14001 certified factory, to ensure excellent raw materials and production control.
    · Modules certified by TUV Rheinland (IEC61215, IEC 61730 standards) in the extreme conditions (temperature, load, impact) with good performance. Pass strict tests of solar modules including Salt-mist Corrosion Test, Fire Test, Ammonia Resistance Test, PID Test, Sand Abrasion Test and Carbon Footprint Assessment in TUV.
    · The good weak light performance (morning, evening and cloudy day) has been tested and approved by professional third-party.
    · Guarantee from 0 to +6W as power tolerance, customers can obtain 5.8% power more than conventional output.
    · 100% EL test before and after lamination, and finished products EL test, providing higher quality assurance.

    Electrical Characteristics
    Solar-cells:Mono-Crystalline 156×156mm
    60pcs (6×10) —— 5 bus bars
    Power tolerance0 to +6W
    Voltage at pmax (Vmp)30.831.031.231.431.631.832.0
    Current at pmax (Lmp)8.288.398.498.608.708.818.91
    Open-circuit voltage (Voc)37.637.838.138.338.538.738.9
    Short-circuit current (Isc)8.969.059.199.319.429.539.64
    Max-system voltage (VDC)1000V(IEC),600v(UL)
    Cell efficiency18.118.418.719.019.419.619.8
    Module efficiency15.716.016.316.616.917.217.5
    No.of bypass diodes (pcs.)3
    Max.series fuse (A)15A
    Temperature coefficient of pmax-0.45% / ℃
    Temperature coefficient of voc-0.34% / ℃
    Temperature coefficient of isc0.05% / ℃
    Nominal operating cell temperature45±2 ℃
    *STC Conditions (1000W/m²;1.5AM and 25℃ cell temperature)
    Mechanical Characteristics
    Cable type,diameter and lengthΦ=4mm², L=900±5mm
    Type of connectorCompatible type MC4
    Dimension A×B×C1640×992×45/40/35mm
    No.of Draining holes in frame16
    ConstructionGlass: high transmission,Low lron,Tempered glass 3.2mm Encapsulation:EVA Back side:White
    Junction boxIP67 Rated
    FrameClear anodized aluminum alloy type 6063T5 frame
    Qualification Test Parameters
    Dielectric insulation voltage6000VDC max
    Operating Temperature-40℃~+85℃
    Max load5400Pa
    Hailstone impact25mm(1inch) at 23m/s(52mph)
    Fire ratingClass C
    Packaging Configuration 1640×992×45mm
    Packaging configuration22pcs/box and 2pcs/box
    Loading capacity672pcs/40HQ 240pcs/20GPbuy Solar Panel

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