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4.93 out of 5
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  • 02/10/2021

    A good dc-dc for a good money.

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  • 02/09/2021

    delivred in time , good quality , good seller

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  • 27/08/2021

    According to the announcement

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  • 12/04/2021

    I am happy with the units, all working, despite the small chances, based on the "law of total probability", they arrived without damage, small eggs and bricks in the same bag without protection is something very peculiar, the assembly of the components is not 100% aligned . The output voltage remained constant even with extreme variation in the input voltage, below 5v is too extreme, without load or with varying loads, in multimeters aneng and hikari the voltage remained stable, varying only at the voltage input, according to load    #  Estou feliz com as unidades, todas funcionando, apesar das pequenas chances, baseado na "lei da probabilidade total", chegaram sem danos, pequenos ovos e tijolos na mesma sacola sem proteção é algo muito peculiar, a montagem dos componentes não é 100% alinhada. A tensão de saída se manteve constante mesmo com variação extrema na tensão de entrada, abaixo de 5v é extremo demais, sem carga ou com cargas variadas, nos multimetros aneng e hikari a tensão permaneceu estável, variando apenas na entrada de tensão, de acordo com a carga.

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  • 23/01/2018

    Реально классная плата. Выставил нужное напряжение и голова не болит что там на входе. Конвертер сам добавит напряжение или убавит лишнее. Широкий диапазон напряжений, идеально для солнечной батареи.

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  • 25/07/2019

    Super ces petits convertisseur, ils augmentent ou abaissent la tension de sortie de 1,2v à 35v selon la tension d'entré compris entre 3,8v à 32v. En plus ils sont compact, je vais sûrement en recommander d'autre. Très bon produit.

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  • 23/01/2019

    very nice DC_DC converter, the max output voltage measured with no load is 30 Vdc even with an input of 4 Vdc. For sure with a load the output voltage could be lower and more influenced by the input, but the range of output is very high and the adjustment with the trim is quite fine. satisfied and suggested convertitore DC_DC molto bello, la tensione di uscita massima misurata senza carico è di 30 Vdc anche con un ingresso di 4 Vdc. Di sicuro con un carico la tensione in uscita potrebbe essere inferiore e più influenzata dall'ingresso, ma la gamma di uscita è molto alta e la regolazione con il trim è abbastanza buona. soddisfatto e suggerito

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  • 08/09/2020

    Received 90 days parcel in good condition, good reference as in the description, quality has even with use. Works well. Seller or Banggood not Serious 3 me it's too long not even possible to send an email is why I would put 3 stars thank you

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  • 25/02/2020

    Arrived early. Super these small converter, increase or decrease the output voltage 35v 1.2V base to the input voltage between 3.8V to 32V. Also they are compact.. Very good product.

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  • Sharif
    KW
    11/03/2018

    works just fine as described definitely i will buy it again, i attached photos for different values.

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