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  • Gaurav
    Yes (1) Color: Red
    very good AUTO STEP UP and DOWN Converter
    I got all this product within 10 days of ordering to Mumbai, India. Thanks a lot gearbest for such a fast service. I will highly recommend this website for everyone.

    Now come to the product, this is really made up of high quality materials. The converter automatically step up and down the input voltage to keep output voltage stable and constant.

    I will highly recommend this product for everyone for daily use. I am attaching some pictures and videos of this product.Hope it helps, Recommended Product

    Oct 01,2018

  • lr
    Yes (0) Color: Red
    Parfait pour le solaire / perfect for solar energy
    Ce convertisseur automatique est parfait pour réaliser une alimentation à base de panneaux solaires.

    Arrivé rapidement.

    This automatic converter is perfect for a power supply where the electricity is supplied by solar panels.

    Arrived quickly.

    Jun 20,2019

  • Emil
    Yes (3) Color: Red
    Working great
    -great for solar panels - now I can charge my phone by the sun
    -good calibration
    -easy to set voltage

    May 09,2016

  • Del
    Yes (0) Color: Red
    Good for small electronic projects
    Very interesting electronic component for small electronic projects where the input and output voltages are variable. Very well packaged.

    Nov 19,2018