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4.97 out of 5
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  • osaVIP3
    BA
    10/12/2021

    Excellent UPS for 5V. I tried it with Raspberry 3 B, and Raspberry did not report any undervoltage message.

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  • 04/06/2019

    This thing is actually a UPS. Will maintain output with no interruption when either the battery or the input 5V is disconnected. Charges batteries to 4.1V steady (using protected 18650 cells, always good to be safe). Have not finished testing discharge level yet.

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  • 05/08/2019

    arrived in good condition

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  • 04/08/2022

    Have been using this now for a couple of months - is excellent for occasional power outages - in my application was able to provide power for 4 hours using 2 x 2000mah batteries. The only thing I can see is that there's no low-voltage cut-off, which would lead to battery damage in time, as it would have run them flat had I not removed them for that time.

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  • 05/08/2022

    Fast shipping! 😃 Thank you!

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  • 12/07/2022

    not yet tested

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  • 07/07/2022

    good received thank you

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  • 03/06/2022

    great for charging two 18650 batteries. Very low cost

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  • 01/06/2022

    Delivered so fast. Great.

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  • 23/05/2022

    Tudo ok

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