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lernfaehig 24/10/2021
From the product description it was already clear that this panel could never supply 150W. Short circuit current multiplied by open circuit voltage is NOT the correct way to specify the power of a solar panel. After testing myself on a very clear and cool day by putting two panels in series and measuring with different methods I reached a maximum of 175W. This is for two panels, so 87.5W per panel. I measured while charging batteries with two different MPPT solar charge Controllers and both gave the same result +/- 2 W. For the price the panels performance is still okay, just don't expect to get the performance indicated. What I also highly doubt but obviously won't test is the "waterproof" part. I expect the panels themselves to be absolutely water-resistant but can't image the same for the junction box with the output connections. While it is inside the bag on the back of the panels I doubt this is waterproof for more than a few minutes if light drizzle. You better don't put this permanently outside but just set it up temporarily when the sun is out. I haven't contacted the seller as I don't expect any improvement to be possible but I more or less got what I expected.
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Comentários (9)
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  • BG912517465 thanksyou this message! I asked myself what was the real perfomance of this device.
    By my side I mesured 75W maximum value using smart MPPT, it's OK for me since we are in autumn and I live in french moutain area (the sun starts to be low in the sky).
    The theorical max power we will get from it is 120W (80% of the announced peak power), I hope we will get something near in may or june!

    Resposta 07/11/2021
  • ibnsur Thank you so much for the information.

    Resposta 26/04/2022
  • Duanedespain sorry, one information, are necessary added on diode in positive output? grazie

    Resposta 30/04/2022
  • Duanedespain hellosorry for the inconvenience, how did you connect the two panels to each other? and did you arrive with only one cable to the power generator?

    Resposta 30/04/2022
  • BG563244446 Hello, its waterprof?

    Resposta 03/09/2022
  • Pyrian is oba eh ned überraschend oder?

    Resposta 16/11/2022
  • REXX5000 I love when honest people let us know what to expect with these panels. foe the cash, that's still OK. but only just. thank you 👍🇮🇪💚🙏🏼

    Resposta 24/11/2022
  • XuanQuy xin mã giảm giá

    Resposta 15/07/2023
  • BG203345013 bei mir maximal 35 Watt

    Resposta 22/01/2024
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