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usb power 5v

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usb power 5v Customers Reviews

  • External Charguer For Everything

    posted by Displayport

    ***You can chargue lots of little gadgets like mobile phones, e-books, tablets...***All-in-one PCB, you can chargue your li-ion battery through micro-USB port
    ***If you try to chargue two gadgets at the same time, batteries may became hot******It works better if put two or more lithium batteries connected in parallel because increase the useful life of then***
    ***Good item for do you own portatile charguer for much less than buying a new one in shopping centers***
  • Superb Micro amplifier

    posted by skinnybloke

    This is the most aamassing amplifier i have purchased so far from DX !Its not the most powerful, but its so Tiny ! The output you can achive from this far exceeds expectation ! The sound quality is fantastic, low and high level, and a very low noise floor for a digital amp that has no output filter, i will be purchasing more !
    This will be sooo good for Rasberry pi user, how cool would a tiny 5 volt sub+sat system be ?
    If you need a tiny high performance amp with mini subwoofer, look no further :DI love this little amp bored x
  • Without any documentation

    posted by Stefan1973

    Nice powerpack, feels good in hand, feels solid but not heavy at all, so good to take with me on long walks or bike rides. Haven't tried how long the battery lasts
    Came in a plastic bag. That's it. No box. no information. It has a special cable that only fits this powerbank. Woulf have been better if it was a micro usb
    Good price for this powerbank.
  • Very usefull and versatile, charges everything

    posted by VladanM

    - Very compact- Can be plugged directly into the wall or used with a standard cord that comes with many small appliances.- Charges everything I threw at it.- Lighted so you don't need to fish for it in the dark- It can hardly be more compact
    Haven't opened it (yet) so can't speak of the component quality. Did not test the output either, so can't confirm 7A is the true output.
    Very practical, especially for travelers with multiple USB powered devices.
  • Great for the price.

    posted by thekanester

    I use an Ultrafire 2600mAh protected cell inside of this and it can pretty much charge up an iPhone 4 in a reasonable space of time. It charges up from USB in a couple of hours too.
    The little circuit board inside here is responsible for charging the 18650 cell & for boosting the voltage to 5v. It's amazing that this is so small and cheap. It could easily be removed from the casing and retasked for another project.
    If you have a bunch of 18650 batteries lying around, then this is a good price - I reasoned that it would be a better bet than a unit which comes with one inside, because with this setup I can vet the quality of the cell that I use. It doesn't seem to make sense to pay more for something that might be potentially poor.


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