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  • mchaves
    BR
    2018-02-18 17:42:11

    Easy to read display, intense brightness, faster load than the familiar ones, low consumption when on standby, led that helps a lot like flashlight, I made my DIY with 4, 8 and another with 12 18650 batteries and works very well. It does not heat when in charge or when in discharge, the exit of 2.1A is perfect and solves all the problems. I tested it with a soldering iron bought here at BangGood and it made me happy and happy. I highly recommend it

    Commento
  • 2017-09-02 22:21:58

    I ordered 5 sets of them and all working. The percentage meter is not so accurate. When I connect to fully charged 4.2V lithium ion battery, some show 94%-96%. The output voltage is about 5.2-5.3V. Good for DIY powerbank or boost up lithium ion battery to 5V application up to 2A, Value for money.

    Commento
  • 2018-12-29 18:12:52

    Teşekkür ederim kullanacağım - 謝謝你我會用 - Thank you I will use

    Commento
  • Deonvv
    ZA
    2018-01-26 10:45:57

    Excellent product and handy to create your very own powerbanks

    Commento
  • Majster
    PL
    2017-12-23 13:32:15

    Polecam ten produkt.

    Commento
  • 2017-08-16 20:01:22

    haven't put it to the test but product look well done

    Commento
  • 2019-05-11 13:22:09

    Sr. de Banggood es normal que tenga un pedido ace dos meses y aun no lo reci y nadie te da esplicaciones y no ahy medios de ponerse en contacto con ellos es una berguenza. prosima compra para my sera en Amazon tienes mas garantias y super rapidos almenos conmigo.

    Commento
  • juan
    CO
    2017-12-06 16:26:08

    funcionan bastante bien pero si lo compran les recomiendo poner un diodo de rectificacion a la entrada de voltage ya que se puede quemar si imbertimos la polaridad

    Commento
  • 2018-04-17 14:19:14

    output switches off after time. no charging and draining at the same time

    Commento
  • 2017-10-11 14:24:21

    All 5 of my units were faulty. One never worked and four kept dying after about 30 seconds. One of those died completely after testing

    Commento
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