• 320 -345 watt 5BB Poly Solar Panel
    335 -360 watt 5BB Mono Poly Solar Panel
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    285 – 310 watt 5BB Mono Solar Panel

    Electrical? parameters at? Standard Test? Conditions ?(STC)
    Module type YLxxxD-30b? ?(xxx=Pmax)
    Power output Pmax W 310 305 300 295 290 285
    Power? output tolerances ΔPmax W 0 / + 5
    Module ?efficiency ηm % 18.9 18.6 18.3 18.0 17.7 17.4
    Voltage? at Pmax Vmpp V 33.3 32.9 32.4 32.2 31.9 31.7
    Current? at Pmax Impp A 9.32 9.28 9.26 9.17 9.08 9.00
    Open-circuit ?voltage Voc V 40.7 40.6 40.5 40.2 39.9 39.6
    Short-circuit ?current Isc A 9.70 9.62 9.52 9.48 9.45 9.41










    By Sea Delivery from Qingdao seaport
    By air Departure from Qingdao or Shanghai Airport
    By express By TNT/DHL



    Payment Term T/T EXW 30% T/T in advance, paid the balance before shipment
    CFR 30% T/T in advance,paid the balance before shipment
    L/C L/C amount above 50,000 usd, we can accept L/C at sight
    West Union Amount lower than 1000usd
    PayPal Amount lower than 1000usd
    Delivery Time 7~15days after receiving payment for one container









    1.Q: Are you a factory or trading company?
    A: We are an intelligent factory,owing automatic production line,it decreases the labor cost a lot and make our price is very competitive.

    2. Q: Where is your factory located? How can I visit there?
    A: Our factory is located in Yantai city,Shandong province, China. You can fly to Yantai airport or Yantai railway station.We will pick up you there.

    3. Q: Does your company also provide other solar products except solar panel?
    A: Yes, we also provide solar power system,solar street light,solar mosquito killing lamp etc.Our technical team provide one stop solution.

    4. Q: Can the price be cheaper?
    A: Of course, you will be offered a good discount for big amount

    5.Q:What is the relationship between Goldsun New Energy and Yingli Energy(Yantai)Co.,Ltd?

    A: Goldsun New Energy is the shareholder and authorized sales company.

    6.Q:How to guarantee the quality and service?

    A: Each solar panel has a security code ,you can check it on our head quarter’s web.We sign contract for warranty.