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4.93 out of 5
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  • Bazilpo
    GR
    07/12/2021

    Very Good.

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  • 07/08/2020

    Everything ok

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  • 26/08/2022

    These are extremely useful. Only got about 4.2V but need 12V to power that fan? This solves the problem. Not enough voltage from your small (phone sized) solar panels to charge those batteries? This solves the problem. Cheap and useful and efficient enough for DIY and testing things.

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  • 08/06/2022

    nice modul and seller send it on time

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  • 16/02/2022

    All works and it is good

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  • 21/02/2022

    Not tested yet

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  • 26/06/2020

    very nice board. newer versions have USB input.

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  • 09/10/2022

    So small and powerful enough!

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  • 04/08/2022

    good...good

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  • 20/07/2022

    very good, it was packed well, and i received the same item as described

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